+++ /dev/null
-/*
- * Copyright (c) 2002-2014 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*!
- @header SecKey
- The functions provided in SecKey.h implement and manage a particular
- type of keychain item that represents a key. A key can be stored in a
- keychain, but a key can also be a transient object.
-
- You can use a key as a keychain item in most functions.
-*/
-
-#ifndef _SECURITY_SECKEY_H_
-#define _SECURITY_SECKEY_H_
-
-#include <dispatch/dispatch.h>
-#include <Security/SecBase.h>
-#include <Security/SecAccess.h>
-#include <Security/cssmtype.h>
-#include <CoreFoundation/CFBase.h>
-#include <CoreFoundation/CFDictionary.h>
-#include <CoreFoundation/CFSet.h>
-#include <sys/types.h>
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-CF_ASSUME_NONNULL_BEGIN
-CF_IMPLICIT_BRIDGING_ENABLED
-
-/*!
- @enum KeyItemAttributeConstants
- @abstract Specifies keychain item attributes for keys.
- @constant kSecKeyKeyClass type uint32 (CSSM_KEYCLASS), value
- is one of CSSM_KEYCLASS_PUBLIC_KEY, CSSM_KEYCLASS_PRIVATE_KEY
- or CSSM_KEYCLASS_SESSION_KEY.
- @constant kSecKeyPrintName type blob, human readable name of
- the key. Same as kSecLabelItemAttr for normal keychain items.
- @constant kSecKeyAlias type blob, currently unused.
- @constant kSecKeyPermanent type uint32, value is nonzero iff
- this key is permanent (stored in some keychain). This is always
- 1.
- @constant kSecKeyPrivate type uint32, value is nonzero iff this
- key is protected by a user login or a password, or both.
- @constant kSecKeyModifiable type uint32, value is nonzero iff
- attributes of this key can be modified.
- @constant kSecKeyLabel type blob, for private and public keys
- this contains the hash of the public key. This is used to
- associate certificates and keys. Its value matches the value
- of the kSecPublicKeyHashItemAttr of a certificate and it's used
- to construct an identity from a certificate and a key.
- For symmetric keys this is whatever the creator of the key
- passed in during the generate key call.
- @constant kSecKeyApplicationTag type blob, currently unused.
- @constant kSecKeyKeyCreator type data, the data points to a
- CSSM_GUID structure representing the moduleid of the csp owning
- this key.
- @constant kSecKeyKeyType type uint32, value is a CSSM_ALGORITHMS
- representing the algorithm associated with this key.
- @constant kSecKeyKeySizeInBits type uint32, value is the number
- of bits in this key.
- @constant kSecKeyEffectiveKeySize type uint32, value is the
- effective number of bits in this key. For example a des key
- has a kSecKeyKeySizeInBits of 64 but a kSecKeyEffectiveKeySize
- of 56.
- @constant kSecKeyStartDate type CSSM_DATE. Earliest date from
- which this key may be used. If the value is all zeros or not
- present, no restriction applies.
- @constant kSecKeyEndDate type CSSM_DATE. Latest date at
- which this key may be used. If the value is all zeros or not
- present, no restriction applies.
- @constant kSecKeySensitive type uint32, iff value is nonzero
- this key cannot be wrapped with CSSM_ALGID_NONE.
- @constant kSecKeyAlwaysSensitive type uint32, value is nonzero
- iff this key has always been marked sensitive.
- @constant kSecKeyExtractable type uint32, value is nonzero iff
- this key can be wrapped.
- @constant kSecKeyNeverExtractable type uint32, value is nonzero
- iff this key was never marked extractable.
- @constant kSecKeyEncrypt type uint32, value is nonzero iff this
- key can be used in an encrypt operation.
- @constant kSecKeyDecrypt type uint32, value is nonzero iff this
- key can be used in a decrypt operation.
- @constant kSecKeyDerive type uint32, value is nonzero iff this
- key can be used in a deriveKey operation.
- @constant kSecKeySign type uint32, value is nonzero iff this
- key can be used in a sign operation.
- @constant kSecKeyVerify type uint32, value is nonzero iff this
- key can be used in a verify operation.
- @constant kSecKeySignRecover type uint32.
- @constant kSecKeyVerifyRecover type uint32.
- key can unwrap other keys.
- @constant kSecKeyWrap type uint32, value is nonzero iff this
- key can wrap other keys.
- @constant kSecKeyUnwrap type uint32, value is nonzero iff this
- key can unwrap other keys.
- @discussion
- The use of these enumerations has been deprecated. Please
- use the equivalent items defined in SecItem.h
- @@@.
-*/
-CF_ENUM(int)
-{
- kSecKeyKeyClass = 0,
- kSecKeyPrintName = 1,
- kSecKeyAlias = 2,
- kSecKeyPermanent = 3,
- kSecKeyPrivate = 4,
- kSecKeyModifiable = 5,
- kSecKeyLabel = 6,
- kSecKeyApplicationTag = 7,
- kSecKeyKeyCreator = 8,
- kSecKeyKeyType = 9,
- kSecKeyKeySizeInBits = 10,
- kSecKeyEffectiveKeySize = 11,
- kSecKeyStartDate = 12,
- kSecKeyEndDate = 13,
- kSecKeySensitive = 14,
- kSecKeyAlwaysSensitive = 15,
- kSecKeyExtractable = 16,
- kSecKeyNeverExtractable = 17,
- kSecKeyEncrypt = 18,
- kSecKeyDecrypt = 19,
- kSecKeyDerive = 20,
- kSecKeySign = 21,
- kSecKeyVerify = 22,
- kSecKeySignRecover = 23,
- kSecKeyVerifyRecover = 24,
- kSecKeyWrap = 25,
- kSecKeyUnwrap = 26
-};
-
- /*!
- @enum SecCredentialType
- @abstract Determines the type of credential returned by SecKeyGetCredentials.
- @constant kSecCredentialTypeWithUI Operations with this key are allowed to present UI if required.
- @constant kSecCredentialTypeNoUI Operations with this key are not allowed to present UI, and will fail if UI is required.
- @constant kSecCredentialTypeDefault The default setting for determining whether to present UI is used. This setting can be changed with a call to SecKeychainSetUserInteractionAllowed.
-*/
-typedef CF_ENUM(uint32, SecCredentialType)
-{
- kSecCredentialTypeDefault = 0,
- kSecCredentialTypeWithUI,
- kSecCredentialTypeNoUI
-};
-
-/*!
- @typedef SecPadding
- @abstract Supported padding types.
-*/
-typedef CF_ENUM(uint32_t, SecPadding)
-{
- kSecPaddingNone = 0,
- kSecPaddingPKCS1 = 1,
-
- /* For SecKeyRawSign/SecKeyRawVerify only,
- ECDSA signature is raw byte format {r,s}, big endian.
- First half is r, second half is s */
- kSecPaddingSigRaw = 0x4000,
-
- /* For SecKeyRawSign/SecKeyRawVerify only, data to be signed is an MD2
- hash; standard ASN.1 padding will be done, as well as PKCS1 padding
- of the underlying RSA operation. */
- kSecPaddingPKCS1MD2 = 0x8000,
-
- /* For SecKeyRawSign/SecKeyRawVerify only, data to be signed is an MD5
- hash; standard ASN.1 padding will be done, as well as PKCS1 padding
- of the underlying RSA operation. */
- kSecPaddingPKCS1MD5 = 0x8001,
-
- /* For SecKeyRawSign/SecKeyRawVerify only, data to be signed is a SHA1
- hash; standard ASN.1 padding will be done, as well as PKCS1 padding
- of the underlying RSA operation. */
- kSecPaddingPKCS1SHA1 = 0x8002,
-};
-
-/*!
- @typedef SecKeySizes
- @abstract Supported key lengths.
-*/
-typedef CF_ENUM(uint32_t, SecKeySizes)
-{
- kSecDefaultKeySize = 0,
-
- // Symmetric Keysizes - default is currently kSecAES128 for AES.
- kSec3DES192 = 192,
- kSecAES128 = 128,
- kSecAES192 = 192,
- kSecAES256 = 256,
-
- // Supported ECC Keys for Suite-B from RFC 4492 section 5.1.1.
- // default is currently kSecp256r1
- kSecp192r1 = 192,
- kSecp256r1 = 256,
- kSecp384r1 = 384,
- kSecp521r1 = 521, // Yes, 521
-
- // Boundaries for RSA KeySizes - default is currently 2048
- // RSA keysizes must be multiples of 8
- kSecRSAMin = 1024,
- kSecRSAMax = 4096
-};
-
-/*!
- @enum Key Parameter Constants
- @discussion Predefined key constants used to get or set values in a dictionary.
- These are used to provide explicit parameters to key generation functions
- when non-default values are desired. See the description of the
- SecKeyGeneratePair API for usage information.
- @constant kSecPrivateKeyAttrs The value for this key is a CFDictionaryRef
- containing attributes specific for the private key to be generated.
- @constant kSecPublicKeyAttrs The value for this key is a CFDictionaryRef
- containing attributes specific for the public key to be generated.
-*/
-extern const CFStringRef kSecPrivateKeyAttrs
- __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_2_0);
-extern const CFStringRef kSecPublicKeyAttrs
- __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_2_0);
-
-
-/*!
- @function SecKeyGetTypeID
- @abstract Returns the type identifier of SecKey instances.
- @result The CFTypeID of SecKey instances.
-*/
-CFTypeID SecKeyGetTypeID(void)
- __OSX_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0);
-
-/*!
- @function SecKeyCreatePair
- @abstract Creates an asymmetric key pair and stores it in a specified keychain.
- @param keychainRef A reference to the keychain in which to store the private and public key items. Specify NULL for the default keychain.
- @param algorithm An algorithm for the key pair. This parameter is ignored if a valid (non-zero) contextHandle is supplied.
- @param keySizeInBits A key size for the key pair. This parameter is ignored if a valid (non-zero) contextHandle is supplied.
- @param contextHandle (optional) A CSSM_CC_HANDLE, or 0. If this argument is supplied, the algorithm and keySizeInBits parameters are ignored. If extra parameters are needed to generate a key (some algorithms require this), you should create a context using CSSM_CSP_CreateKeyGenContext, using the CSPHandle obtained by calling SecKeychainGetCSPHandle. Then use CSSM_UpdateContextAttributes to add parameters, and dispose of the context using CSSM_DeleteContext after calling this function.
- @param publicKeyUsage A bit mask indicating all permitted uses for the new public key. CSSM_KEYUSE bit mask values are defined in cssmtype.h.
- @param publicKeyAttr A bit mask defining attribute values for the new public key. The bit mask values are equivalent to a CSSM_KEYATTR_FLAGS and are defined in cssmtype.h.
- @param privateKeyUsage A bit mask indicating all permitted uses for the new private key. CSSM_KEYUSE bit mask values are defined in cssmtype.h.
- @param privateKeyAttr A bit mask defining attribute values for the new private key. The bit mask values are equivalent to a CSSM_KEYATTR_FLAGS and are defined in cssmtype.h.
- @param initialAccess (optional) A SecAccess object that determines the initial access rights to the private key. The public key is given "any/any" access rights by default.
- @param publicKey (optional) On return, the keychain item reference of the generated public key. Use the SecKeyGetCSSMKey function to obtain the CSSM_KEY. The caller must call CFRelease on this value if it is returned. Pass NULL if a reference to this key is not required.
- @param privateKey (optional) On return, the keychain item reference of the generated private key. Use the SecKeyGetCSSMKey function to obtain the CSSM_KEY. The caller must call CFRelease on this value if it is returned. Pass NULL if a reference to this key is not required.
- @result A result code. See "Security Error Codes" (SecBase.h).
- @discussion This API is deprecated for 10.7. Please use the SecKeyGeneratePair API instead.
-*/
-OSStatus SecKeyCreatePair(
- SecKeychainRef _Nullable keychainRef,
- CSSM_ALGORITHMS algorithm,
- uint32 keySizeInBits,
- CSSM_CC_HANDLE contextHandle,
- CSSM_KEYUSE publicKeyUsage,
- uint32 publicKeyAttr,
- CSSM_KEYUSE privateKeyUsage,
- uint32 privateKeyAttr,
- SecAccessRef _Nullable initialAccess,
- SecKeyRef* _Nullable CF_RETURNS_RETAINED publicKey,
- SecKeyRef* _Nullable CF_RETURNS_RETAINED privateKey)
- DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;
-
-/*!
- @function SecKeyGenerate
- @abstract Creates a symmetric key and optionally stores it in a specified keychain.
- @param keychainRef (optional) A reference to the keychain in which to store the generated key. Specify NULL to generate a transient key.
- @param algorithm An algorithm for the symmetric key. This parameter is ignored if a valid (non-zero) contextHandle is supplied.
- @param keySizeInBits A key size for the key pair. This parameter is ignored if a valid (non-zero) contextHandle is supplied.
- @param contextHandle (optional) A CSSM_CC_HANDLE, or 0. If this argument is supplied, the algorithm and keySizeInBits parameters are ignored. If extra parameters are needed to generate a key (some algorithms require this), you should create a context using CSSM_CSP_CreateKeyGenContext, using the CSPHandle obtained by calling SecKeychainGetCSPHandle. Then use CSSM_UpdateContextAttributes to add parameters, and dispose of the context using CSSM_DeleteContext after calling this function.
- @param keyUsage A bit mask indicating all permitted uses for the new key. CSSM_KEYUSE bit mask values are defined in cssmtype.h.
- @param keyAttr A bit mask defining attribute values for the new key. The bit mask values are equivalent to a CSSM_KEYATTR_FLAGS and are defined in cssmtype.h.
- @param initialAccess (optional) A SecAccess object that determines the initial access rights for the key. This parameter is ignored if the keychainRef is NULL.
- @param keyRef On return, a reference to the generated key. Use the SecKeyGetCSSMKey function to obtain the CSSM_KEY. The caller must call CFRelease on this value if it is returned.
- @result A result code. See "Security Error Codes" (SecBase.h).
- @discussion This API is deprecated for 10.7. Please use the SecKeyGenerateSymmetric API instead.
-*/
-OSStatus SecKeyGenerate(
- SecKeychainRef _Nullable keychainRef,
- CSSM_ALGORITHMS algorithm,
- uint32 keySizeInBits,
- CSSM_CC_HANDLE contextHandle,
- CSSM_KEYUSE keyUsage,
- uint32 keyAttr,
- SecAccessRef _Nullable initialAccess,
- SecKeyRef* _Nullable CF_RETURNS_RETAINED keyRef)
- DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;
-
-/*!
- @function SecKeyGetCSSMKey
- @abstract Returns a pointer to the CSSM_KEY for the given key item reference.
- @param key A keychain key item reference. The key item must be of class type kSecPublicKeyItemClass, kSecPrivateKeyItemClass, or kSecSymmetricKeyItemClass.
- @param cssmKey On return, a pointer to a CSSM_KEY structure for the given key. This pointer remains valid until the key reference is released. The caller should not attempt to modify or free this data.
- @result A result code. See "Security Error Codes" (SecBase.h).
- @discussion The CSSM_KEY is valid until the key item reference is released. This API is deprecated in 10.7. Its use should no longer be needed.
-*/
-OSStatus SecKeyGetCSSMKey(SecKeyRef key, const CSSM_KEY * _Nullable * __nonnull cssmKey)
- DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;;
-
-/*!
- @function SecKeyGetCSPHandle
- @abstract Returns the CSSM_CSP_HANDLE for the given key reference. The handle is valid until the key reference is released.
- @param keyRef A key reference.
- @param cspHandle On return, the CSSM_CSP_HANDLE for the given keychain.
- @result A result code. See "Security Error Codes" (SecBase.h).
- @discussion This API is deprecated in 10.7. Its use should no longer be needed.
-*/
-OSStatus SecKeyGetCSPHandle(SecKeyRef keyRef, CSSM_CSP_HANDLE *cspHandle)
- DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;
-
-/*!
- @function SecKeyGetCredentials
- @abstract For a given key, return a pointer to a CSSM_ACCESS_CREDENTIALS structure which will allow the key to be used.
- @param keyRef The key for which a credential is requested.
- @param operation The type of operation to be performed with this key. See "Authorization tag type" for defined operations (cssmtype.h).
- @param credentialType The type of credential requested.
- @param outCredentials On return, a pointer to a CSSM_ACCESS_CREDENTIALS structure. This pointer remains valid until the key reference is released. The caller should not attempt to modify or free this data.
- @result A result code. See "Security Error Codes" (SecBase.h).
-*/
-OSStatus SecKeyGetCredentials(
- SecKeyRef keyRef,
- CSSM_ACL_AUTHORIZATION_TAG operation,
- SecCredentialType credentialType,
- const CSSM_ACCESS_CREDENTIALS * _Nullable * __nonnull outCredentials)
- DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;
-
-/*!
- @function SecKeyGetBlockSize
- @abstract Decrypt a block of ciphertext.
- @param key The key for which the block length is requested.
- @result The block length of the key in bytes.
- @discussion If for example key is an RSA key the value returned by
- this function is the size of the modulus.
- */
-size_t SecKeyGetBlockSize(SecKeyRef key)
- __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_2_0);
-
-/*!
- @function SecKeyGenerateSymmetric
- @abstract Generates a random symmetric key with the specified length
- and algorithm type.
-
- @param parameters A dictionary containing one or more key-value pairs.
- See the discussion sections below for a complete overview of options.
- @param error An optional pointer to a CFErrorRef. This value is set
- if an error occurred. If not NULL, the caller is responsible for
- releasing the CFErrorRef.
- @result On return, a SecKeyRef reference to the symmetric key, or
- NULL if the key could not be created.
-
- @discussion In order to generate a symmetric key, the parameters dictionary
- must at least contain the following keys:
-
- * kSecAttrKeyType with a value of kSecAttrKeyTypeAES or any other
- kSecAttrKeyType defined in SecItem.h
- * kSecAttrKeySizeInBits with a value being a CFNumberRef containing
- the requested key size in bits. Example sizes for AES keys are:
- 128, 192, 256, 512.
-
- To store the generated symmetric key in a keychain, set these keys:
- * kSecUseKeychain (value is a SecKeychainRef)
- * kSecAttrLabel (a user-visible label whose value is a CFStringRef,
- e.g. "My App's Encryption Key")
- * kSecAttrApplicationLabel (a label defined by your application, whose
- value is a CFDataRef and which can be used to find this key in a
- subsequent call to SecItemCopyMatching, e.g. "ID-1234567890-9876-0151")
-
- To specify the generated key's access control settings, set this key:
- * kSecAttrAccess (value is a SecAccessRef)
-
- The keys below may be optionally set in the parameters dictionary
- (with a CFBooleanRef value) to override the default usage values:
-
- * kSecAttrCanEncrypt (defaults to true if not explicitly specified)
- * kSecAttrCanDecrypt (defaults to true if not explicitly specified)
- * kSecAttrCanWrap (defaults to true if not explicitly specified)
- * kSecAttrCanUnwrap (defaults to true if not explicitly specified)
-
-*/
-_Nullable
-SecKeyRef SecKeyGenerateSymmetric(CFDictionaryRef parameters, CFErrorRef *error)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
-
-
-/*!
- @function SecKeyCreateFromData
- @abstract Creates a symmetric key with the given data and sets the
- algorithm type specified.
-
- @param parameters A dictionary containing one or more key-value pairs.
- See the discussion sections below for a complete overview of options.
- @result On return, a SecKeyRef reference to the symmetric key.
-
- @discussion In order to generate a symmetric key the parameters dictionary must
- at least contain the following keys:
-
- * kSecAttrKeyType with a value of kSecAttrKeyTypeAES or any other
- kSecAttrKeyType defined in SecItem.h
-
- The keys below may be optionally set in the parameters dictionary
- (with a CFBooleanRef value) to override the default usage values:
-
- * kSecAttrCanEncrypt (defaults to true if not explicitly specified)
- * kSecAttrCanDecrypt (defaults to true if not explicitly specified)
- * kSecAttrCanWrap (defaults to true if not explicitly specified)
- * kSecAttrCanUnwrap (defaults to true if not explicitly specified)
-
-*/
-_Nullable
-SecKeyRef SecKeyCreateFromData(CFDictionaryRef parameters,
- CFDataRef keyData, CFErrorRef *error)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
-
-
-/*!
- @function SecKeyGeneratePair
- @abstract Generate a private/public keypair.
- @param parameters A dictionary containing one or more key-value pairs.
- @result A result code. See "Security Error Codes" (SecBase.h). On success,
- the result code will be errSecSuccess, and the output parameters will
- contain the public SecKeyRef and private SecKeyRef. It is the caller's
- responsibility to CFRelease these key references when finished with them.
-
- @discussion In order to generate a keypair the parameters dictionary must
- at least contain the following keys:
-
- * kSecAttrKeyType with a value of kSecAttrKeyTypeRSA or any other
- kSecAttrKeyType defined in SecItem.h
- * kSecAttrKeySizeInBits with a value being a CFNumberRef containing
- the requested key size in bits. Example sizes for RSA keys are:
- 512, 768, 1024, 2048.
-
- The values below may be set either in the top-level dictionary or in a
- dictionary that is the value of the kSecPrivateKeyAttrs or
- kSecPublicKeyAttrs key in the top-level dictionary. Setting these
- attributes explicitly will override the defaults below. See SecItem.h
- for detailed information on these attributes including the types of
- the values.
-
- * kSecAttrLabel default NULL
- * kSecUseKeychain default NULL, which specifies the default keychain
- * kSecAttrApplicationTag default NULL
- * kSecAttrEffectiveKeySize default NULL same as kSecAttrKeySizeInBits
- * kSecAttrCanEncrypt default false for private keys, true for public keys
- * kSecAttrCanDecrypt default true for private keys, false for public keys
- * kSecAttrCanDerive default true
- * kSecAttrCanSign default true for private keys, false for public keys
- * kSecAttrCanVerify default false for private keys, true for public keys
- * kSecAttrCanWrap default false for private keys, true for public keys
- * kSecAttrCanUnwrap default true for private keys, false for public keys
-
-*/
-OSStatus SecKeyGeneratePair(CFDictionaryRef parameters,
- SecKeyRef * _Nullable CF_RETURNS_RETAINED publicKey, SecKeyRef * _Nullable CF_RETURNS_RETAINED privateKey)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_2_0);
-
-/*!
- @typedef SecKeyGeneratePairBlock
- @abstract Delivers the result from an asynchronous key pair generation.
- @param publicKey - the public key generated. You must retain publicKey if you wish to use it after your block returns.
- @param privateKey - the private key generated. You must retain publicKey if you wish to use it after your block returns.
- @param error - Any errors returned. You must retain error if you wish to use it after your block returns.
- */
-
-#ifdef __BLOCKS__
-typedef void (^SecKeyGeneratePairBlock)(SecKeyRef publicKey, SecKeyRef privateKey, CFErrorRef error);
-
-
-/*!
- @function SecKeyGeneratePairAsync
- @abstract Generate a private/public keypair returning the values in a callback.
- @param parameters A dictionary containing one or more key-value pairs.
- @param deliveryQueue A dispatch queue to be used to deliver the results.
- @param result A callback function to result when the operation has completed.
-
- @discussion In order to generate a keypair the parameters dictionary must
- at least contain the following keys:
-
- * kSecAttrKeyType with a value being kSecAttrKeyTypeRSA or any other
- kSecAttrKeyType defined in SecItem.h
- * kSecAttrKeySizeInBits with a value being a CFNumberRef or CFStringRef
- containing the requested key size in bits. Example sizes for RSA
- keys are: 512, 768, 1024, 2048.
-
- Setting the following attributes explicitly will override the defaults below.
- See SecItem.h for detailed information on these attributes including the types
- of the values.
-
- * kSecAttrLabel default NULL
- * kSecAttrIsPermanent if this key is present and has a Boolean
- value of true, the key or key pair will be added to the default
- keychain.
- * kSecAttrApplicationTag default NULL
- * kSecAttrEffectiveKeySize default NULL same as kSecAttrKeySizeInBits
- * kSecAttrCanEncrypt default false for private keys, true for public keys
- * kSecAttrCanDecrypt default true for private keys, false for public keys
- * kSecAttrCanDerive default true
- * kSecAttrCanSign default true for private keys, false for public keys
- * kSecAttrCanVerify default false for private keys, true for public keys
- * kSecAttrCanWrap default false for private keys, true for public keys
- * kSecAttrCanUnwrap default true for private keys, false for public keys
-
-*/
-void SecKeyGeneratePairAsync(CFDictionaryRef parameters,
- dispatch_queue_t deliveryQueue, SecKeyGeneratePairBlock result)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
-
-#endif /* __BLOCKS__ */
-
-// Derive, Wrap, and Unwrap
-
-/*!
- @function SecKeyDeriveFromPassword
- @abstract Derives a symmetric key from a password.
-
- @param password The password from which the keyis to be derived.
- @param parameters A dictionary containing one or more key-value pairs.
- @param error If the call fails this will contain the error code.
-
- @discussion In order to derive a key the parameters dictionary must contain at least contain the following keys:
- * kSecAttrSalt - a CFData for the salt value for mixing in the pseudo-random rounds.
- * kSecAttrPRF - the algorithm to use for the pseudo-random-function.
- If 0, this defaults to kSecAttrPRFHmacAlgSHA1. Possible values are:
-
- * kSecAttrPRFHmacAlgSHA1
- * kSecAttrPRFHmacAlgSHA224
- * kSecAttrPRFHmacAlgSHA256
- * kSecAttrPRFHmacAlgSHA384
- * kSecAttrPRFHmacAlgSHA512
-
- * kSecAttrRounds - the number of rounds to call the pseudo random function.
- If 0, a count will be computed to average 1/10 of a second.
- * kSecAttrKeySizeInBits with a value being a CFNumberRef
- containing the requested key size in bits. Example sizes for RSA keys are:
- 512, 768, 1024, 2048.
-
- @result On success a SecKeyRef is returned. On failure this result is NULL and the
- error parameter contains the reason.
-
-*/
-_Nullable CF_RETURNS_RETAINED
-SecKeyRef SecKeyDeriveFromPassword(CFStringRef password,
- CFDictionaryRef parameters, CFErrorRef *error)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
-
-/*!
- @function SecKeyWrapSymmetric
- @abstract Wraps a symmetric key with a symmetric key.
-
- @param keyToWrap The key which is to be wrapped.
- @param wrappingKey The key wrapping key.
- @param parameters The parameter list to use for wrapping the key.
- @param error If the call fails this will contain the error code.
-
- @result On success a CFDataRef is returned. On failure this result is NULL and the
- error parameter contains the reason.
-
- @discussion In order to wrap a key the parameters dictionary may contain the following key:
- * kSecSalt - a CFData for the salt value for the encrypt.
-
-*/
-_Nullable
-CFDataRef SecKeyWrapSymmetric(SecKeyRef keyToWrap,
- SecKeyRef wrappingKey, CFDictionaryRef parameters, CFErrorRef *error)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
-
-/*!
- @function SecKeyUnwrapSymmetric
- @abstract Unwrap a wrapped symmetric key.
-
- @param keyToUnwrap The wrapped key to unwrap.
- @param unwrappingKey The key unwrapping key.
- @param parameters The parameter list to use for unwrapping the key.
- @param error If the call fails this will contain the error code.
-
- @result On success a SecKeyRef is returned. On failure this result is NULL and the
- error parameter contains the reason.
-
- @discussion In order to unwrap a key the parameters dictionary may contain the following key:
- * kSecSalt - a CFData for the salt value for the decrypt.
-
-*/
-_Nullable
-SecKeyRef SecKeyUnwrapSymmetric(CFDataRef _Nullable * __nonnull keyToUnwrap,
- SecKeyRef unwrappingKey, CFDictionaryRef parameters, CFErrorRef *error)
- __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
-
-/*!
- @function SecKeyCreateRandomKey
- @abstract Generates a new public/private key pair.
- @param parameters A dictionary containing one or more key-value pairs.
- See the discussion sections below for a complete overview of options.
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @return Newly generated private key. To get associated public key, use SecKeyCopyPublicKey().
- @discussion In order to generate a keypair the parameters dictionary must
- at least contain the following keys:
-
- * kSecAttrKeyType with a value being kSecAttrKeyTypeRSA or any other
- kSecAttrKeyType defined in SecItem.h
- * kSecAttrKeySizeInBits with a value being a CFNumberRef or CFStringRef
- containing the requested key size in bits. Example sizes for RSA
- keys are: 512, 768, 1024, 2048.
-
- The values below may be set either in the top-level dictionary or in a
- dictionary that is the value of the kSecPrivateKeyAttrs or
- kSecPublicKeyAttrs key in the top-level dictionary. Setting these
- attributes explicitly will override the defaults below. See SecItem.h
- for detailed information on these attributes including the types of
- the values.
-
- * kSecAttrLabel default NULL
- * kSecAttrIsPermanent if this key is present and has a Boolean value of true,
- the key or key pair will be added to the default keychain.
- * kSecAttrTokenID if this key should be generated on specified token. This
- attribute can contain CFStringRef and can be present only in the top-level
- parameters dictionary.
- * kSecAttrApplicationTag default NULL
- * kSecAttrEffectiveKeySize default NULL same as kSecAttrKeySizeInBits
- * kSecAttrCanEncrypt default false for private keys, true for public keys
- * kSecAttrCanDecrypt default true for private keys, false for public keys
- * kSecAttrCanDerive default true
- * kSecAttrCanSign default true for private keys, false for public keys
- * kSecAttrCanVerify default false for private keys, true for public keys
- * kSecAttrCanWrap default false for private keys, true for public keys
- * kSecAttrCanUnwrap default true for private keys, false for public keys
- */
-SecKeyRef _Nullable SecKeyCreateRandomKey(CFDictionaryRef parameters, CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCreateWithData
- @abstract Create a SecKey from a well-defined external representation.
- @param keyData CFData representing the key. The format of the data depends on the type of key being created.
- @param attributes Dictionary containing attributes describing the key to be imported. The keys in this dictionary
- are kSecAttr* constants from SecItem.h. Mandatory attributes are:
- * kSecAttrKeyType
- * kSecAttrKeyClass
- * kSecAttrKeySizeInBits
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @result A SecKey object representing the key, or NULL on failure.
- @discussion This function does not add keys to any keychain, but the SecKey object it returns can be added
- to keychain using the SecItemAdd function.
- The requested data format depend on the type of key (kSecAttrKeyType) being created:
- * kSecAttrKeyTypeRSA PKCS#1 format
- * kSecAttrKeyTypeECSECPrimeRandom SEC1 format (www.secg.org)
- */
-SecKeyRef _Nullable SecKeyCreateWithData(CFDataRef keyData, CFDictionaryRef attributes, CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCopyExternalRepresentation
- @abstract Create an external representation for the given key suitable for the key's type.
- @param key The key to be exported.
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @result A CFData representing the key in a format suitable for that key type.
- @discussion This function may fail if the key is not exportable (e.g., bound to a smart card or Secure Enclave).
- The format in which the key will be exported depends on the type of key:
- * kSecAttrKeyTypeRSA PKCS#1 format
- * kSecAttrKeyTypeECSECPrimeRandom SEC1 format (www.secg.org)
- */
-CFDataRef _Nullable SecKeyCopyExternalRepresentation(SecKeyRef key, CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCopyAttributes
- @abstract Retrieve keychain attributes of a key.
- @param key The key whose attributes are to be retrieved.
- @result Dictionary containing attributes of the key. The keys that populate this dictionary are defined
- and discussed in SecItem.h.
- @discussion The attributes provided by this function are:
- * kSecAttrCanEncrypt
- * kSecAttrCanDecrypt
- * kSecAttrCanDerive
- * kSecAttrCanSign
- * kSecAttrCanVerify
- * kSecAttrKeyClass
- * kSecAttrKeyType
- * kSecAttrKeySizeInBits
- * kSecAttrTokenID
- * kSecAttrApplicationLabel
- Other values returned in that dictionary are RFU.
- */
-CFDictionaryRef _Nullable SecKeyCopyAttributes(SecKeyRef key)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCopyPublicKey
- @abstract Retrieve the public key from a key pair or private key.
- @param key The key from which to retrieve a public key.
- @result The public key or NULL if public key is not available for specified key.
- @discussion Fails if key does not contain a public key or no public key can be computed from it.
- */
-SecKeyRef _Nullable SecKeyCopyPublicKey(SecKeyRef key)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @enum SecKeyAlgorithm
- @abstract Available algorithms for performing cryptographic operations with SecKey object. String representation
- of constant can be used for logging or debugging purposes, because they contain human readable names of the algorithm.
-
- @constant kSecKeyAlgorithmRSASignatureRaw
- Raw RSA sign/verify operation, size of input data must be the same as value returned by SecKeyGetBlockSize().
-
- @constant kSecKeyAlgorithmRSASignatureDigestPKCS1v15Raw
- RSA sign/verify operation, assumes that input data is digest and OID and digest algorithm as specified in PKCS# v1.5.
- This algorithm is typically not used directly, instead use algorithm with specified digest, like
- kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA256.
-
- @constant kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA1
- RSA signature with PKCS#1 padding, input data must be SHA-1 generated digest.
-
- @constant kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA224
- RSA signature with PKCS#1 padding, input data must be SHA-224 generated digest.
-
- @constant kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA256
- RSA signature with PKCS#1 padding, input data must be SHA-256 generated digest.
-
- @constant kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA384
- RSA signature with PKCS#1 padding, input data must be SHA-384 generated digest.
-
- @constant kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA512
- RSA signature with PKCS#1 padding, input data must be SHA-512 generated digest.
-
- @constant kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA1
- RSA signature with PKCS#1 padding, SHA-1 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA224
- RSA signature with PKCS#1 padding, SHA-224 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA256
- RSA signature with PKCS#1 padding, SHA-256 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA384
- RSA signature with PKCS#1 padding, SHA-384 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA512
- RSA signature with PKCS#1 padding, SHA-512 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmECDSASignatureRFC4754
- ECDSA algorithm, signature is concatenated r and s, big endian, data is message digest.
-
- @constant kSecKeyAlgorithmECDSASignatureDigestX962
- ECDSA algorithm, signature is in DER x9.62 encoding, input data is message digest.
-
- @constant kSecKeyAlgorithmECDSASignatureDigestX962SHA1
- ECDSA algorithm, signature is in DER x9.62 encoding, input data is message digest created by SHA1 algorithm.
-
- @constant kSecKeyAlgorithmECDSASignatureDigestX962SHA1
- ECDSA algorithm, signature is in DER x9.62 encoding, input data is message digest created by SHA224 algorithm.
-
- @constant kSecKeyAlgorithmECDSASignatureDigestX962SHA1
- ECDSA algorithm, signature is in DER x9.62 encoding, input data is message digest created by SHA256 algorithm.
-
- @constant kSecKeyAlgorithmECDSASignatureDigestX962SHA1
- ECDSA algorithm, signature is in DER x9.62 encoding, input data is message digest created by SHA384 algorithm.
-
- @constant kSecKeyAlgorithmECDSASignatureDigestX962SHA1
- ECDSA algorithm, signature is in DER x9.62 encoding, input data is message digest created by SHA512 algorithm.
-
- @constant kSecKeyAlgorithmECDSASignatureMessageX962SHA1
- ECDSA algorithm, signature is in DER x9.62 encoding, SHA-1 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmECDSASignatureMessageX962SHA224
- ECDSA algorithm, signature is in DER x9.62 encoding, SHA-224 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmECDSASignatureMessageX962SHA256
- ECDSA algorithm, signature is in DER x9.62 encoding, SHA-256 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmECDSASignatureMessageX962SHA384
- ECDSA algorithm, signature is in DER x9.62 encoding, SHA-384 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmECDSASignatureMessageX962SHA512
- ECDSA algorithm, signature is in DER x9.62 encoding, SHA-512 digest is generated from input data of any size.
-
- @constant kSecKeyAlgorithmRSAEncryptionRaw
- Raw RSA encryption or decryption, size of data must match RSA key modulus size. Note that direct
- use of this algorithm without padding is cryptographically very weak, it is important to always introduce
- some kind of padding. Input data size must be less or equal to the key block size and returned block has always
- the same size as block size, as returned by SecKeyGetBlockSize().
-
- @constant kSecKeyAlgorithmRSAEncryptionPKCS1
- RSA encryption or decryption, data is padded using PKCS#1 padding scheme. This algorithm should be used only for
- backward compatibility with existing protocols and data. New implementations should choose cryptographically
- stronger algorithm instead (see kSecKeyAlgorithmRSAEncryptionOAEP). Input data must be at most
- "key block size - 11" bytes long and returned block has always the same size as block size, as returned
- by SecKeyGetBlockSize().
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA1
- RSA encryption or decryption, data is padded using OAEP padding scheme internally using SHA1. Input data must be at most
- "key block size - 42" bytes long and returned block has always the same size as block size, as returned
- by SecKeyGetBlockSize(). Use kSecKeyAlgorithmRSAEncryptionOAEPSHA1AESGCM to be able to encrypt and decrypt arbitrary long data.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA224
- RSA encryption or decryption, data is padded using OAEP padding scheme internally using SHA224. Input data must be at most
- "key block size - 58" bytes long and returned block has always the same size as block size, as returned
- by SecKeyGetBlockSize(). Use kSecKeyAlgorithmRSAEncryptionOAEPSHA224AESGCM to be able to encrypt and decrypt arbitrary long data.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA256
- RSA encryption or decryption, data is padded using OAEP padding scheme internally using SHA256. Input data must be at most
- "key block size - 66" bytes long and returned block has always the same size as block size, as returned
- by SecKeyGetBlockSize(). Use kSecKeyAlgorithmRSAEncryptionOAEPSHA256AESGCM to be able to encrypt and decrypt arbitrary long data.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA384
- RSA encryption or decryption, data is padded using OAEP padding scheme internally using SHA384. Input data must be at most
- "key block size - 98" bytes long and returned block has always the same size as block size, as returned
- by SecKeyGetBlockSize(). Use kSecKeyAlgorithmRSAEncryptionOAEPSHA384AESGCM to be able to encrypt and decrypt arbitrary long data.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA512
- RSA encryption or decryption, data is padded using OAEP padding scheme internally using SHA512. Input data must be at most
- "key block size - 130" bytes long and returned block has always the same size as block size, as returned
- by SecKeyGetBlockSize(). Use kSecKeyAlgorithmRSAEncryptionOAEPSHA512AESGCM to be able to encrypt and decrypt arbitrary long data.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA1AESGCM
- Randomly generated AES session key is encrypted by RSA with OAEP padding. User data are encrypted using session key in GCM
- mode with all-zero 16 bytes long IV (initialization vector). Finally 16 byte AES-GCM tag is appended to ciphertext.
- 256bit AES key is used if RSA key is 4096bit or bigger, otherwise 128bit AES key is used. Raw public key data is used
- as authentication data for AES-GCM encryption.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA224AESGCM
- Randomly generated AES session key is encrypted by RSA with OAEP padding. User data are encrypted using session key in GCM
- mode with all-zero 16 bytes long IV (initialization vector). Finally 16 byte AES-GCM tag is appended to ciphertext.
- 256bit AES key is used if RSA key is 4096bit or bigger, otherwise 128bit AES key is used. Raw public key data is used
- as authentication data for AES-GCM encryption.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA256AESGCM
- Randomly generated AES session key is encrypted by RSA with OAEP padding. User data are encrypted using session key in GCM
- mode with all-zero 16 bytes long IV (initialization vector). Finally 16 byte AES-GCM tag is appended to ciphertext.
- 256bit AES key is used if RSA key is 4096bit or bigger, otherwise 128bit AES key is used. Raw public key data is used
- as authentication data for AES-GCM encryption.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA384AESGCM
- Randomly generated AES session key is encrypted by RSA with OAEP padding. User data are encrypted using session key in GCM
- mode with all-zero 16 bytes long IV (initialization vector). Finally 16 byte AES-GCM tag is appended to ciphertext.
- 256bit AES key is used if RSA key is 4096bit or bigger, otherwise 128bit AES key is used. Raw public key data is used
- as authentication data for AES-GCM encryption.
-
- @constant kSecKeyAlgorithmRSAEncryptionOAEPSHA512AESGCM
- Randomly generated AES session key is encrypted by RSA with OAEP padding. User data are encrypted using session key in GCM
- mode with all-zero 16 bytes long IV (initialization vector). Finally 16 byte AES-GCM tag is appended to ciphertext.
- 256bit AES key is used if RSA key is 4096bit or bigger, otherwise 128bit AES key is used. Raw public key data is used
- as authentication data for AES-GCM encryption.
-
- @constant kSecKeyAlgorithmECIESEncryptionStandardX963SHA1AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionStandardX963SHA224AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionStandardX963SHA256AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionStandardX963SHA384AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionStandardX963SHA512AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionCofactorX963SHA1AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionCofactorX963SHA224AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionCofactorX963SHA256AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionCofactorX963SHA384AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECIESEncryptionCofactorX963SHA512AESGCM
- ECIES encryption or decryption. This algorithm does not limit the size of the message to be encrypted or decrypted.
- Encryption is done using AES-GCM with key negotiated by kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1. AES Key size
- is 128bit for EC keys <=256bit and 256bit for bigger EC keys. Ephemeral public key data is used as sharedInfo for KDF,
- and static public key data is used as authenticationData for AES-GCM processing. AES-GCM uses 16 bytes long TAG and
- all-zero 16 byte long IV (initialization vector).
-
- @constant kSecKeyAlgorithmECDHKeyExchangeCofactor
- Compute shared secret using ECDH cofactor algorithm, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys.
- This algorithm does not accept any parameters, length of output raw shared secret is given by the length of the key.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1
- Compute shared secret using ECDH cofactor algorithm, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA1 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA224
- Compute shared secret using ECDH cofactor algorithm, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA224 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA256
- Compute shared secret using ECDH cofactor algorithm, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA256 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA384
- Compute shared secret using ECDH cofactor algorithm, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA384 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA512
- Compute shared secret using ECDH cofactor algorithm, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA512 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeStandard
- Compute shared secret using ECDH algorithm without cofactor, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys.
- This algorithm does not accept any parameters, length of output raw shared secret is given by the length of the key.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1
- Compute shared secret using ECDH algorithm without cofactor, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA1 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA224
- Compute shared secret using ECDH algorithm without cofactor, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA224 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA256
- Compute shared secret using ECDH algorithm without cofactor, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA256 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA384
- Compute shared secret using ECDH algorithm without cofactor, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA384 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
-
- @constant kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA512
- Compute shared secret using ECDH algorithm without cofactor, suitable only for kSecAttrKeyTypeECSECPrimeRandom keys
- and apply ANSI X9.63 KDF with SHA512 as hashing function. Requires kSecKeyKeyExchangeParameterRequestedSize and allows
- kSecKeyKeyExchangeParameterSharedInfo parameters to be used.
- */
-
-typedef CFStringRef SecKeyAlgorithm CF_STRING_ENUM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureRaw
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureDigestPKCS1v15Raw
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureDigestPKCS1v15SHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureRFC4754
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureMessageX962SHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureMessageX962SHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureMessageX962SHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureMessageX962SHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureMessageX962SHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionRaw
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionPKCS1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA1AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA224AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA256AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA384AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmRSAEncryptionOAEPSHA512AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionStandardX963SHA1AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionStandardX963SHA224AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionStandardX963SHA256AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionStandardX963SHA384AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionStandardX963SHA512AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionCofactorX963SHA1AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionCofactorX963SHA224AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionCofactorX963SHA256AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionCofactorX963SHA384AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECIESEncryptionCofactorX963SHA512AESGCM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeStandard
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeStandardX963SHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeCofactor
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA1
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA224
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA256
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA384
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyAlgorithm kSecKeyAlgorithmECDHKeyExchangeCofactorX963SHA512
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCreateSignature
- @abstract Given a private key and data to sign, generate a digital signature.
- @param key Private key with which to sign.
- @param algorithm One of SecKeyAlgorithm constants suitable to generate signature with this key.
- @param dataToSign The data to be signed, typically the digest of the actual data.
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @result The signature over dataToSign represented as a CFData, or NULL on failure.
- @discussion Computes digital signature using specified key over input data. The operation algorithm
- further defines the exact format of input data, operation to be performed and output signature.
- */
-CFDataRef _Nullable SecKeyCreateSignature(SecKeyRef key, SecKeyAlgorithm algorithm, CFDataRef dataToSign, CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyVerifySignature
- @abstract Given a public key, data which has been signed, and a signature, verify the signature.
- @param key Public key with which to verify the signature.
- @param algorithm One of SecKeyAlgorithm constants suitable to verify signature with this key.
- @param signedData The data over which sig is being verified, typically the digest of the actual data.
- @param signature The signature to verify.
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @result True if the signature was valid, False otherwise.
- @discussion Verifies digital signature operation using specified key and signed data. The operation algorithm
- further defines the exact format of input data, signature and operation to be performed.
- */
-Boolean SecKeyVerifySignature(SecKeyRef key, SecKeyAlgorithm algorithm, CFDataRef signedData, CFDataRef signature, CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCreateEncryptedData
- @abstract Encrypt a block of plaintext.
- @param key Public key with which to encrypt the data.
- @param algorithm One of SecKeyAlgorithm constants suitable to perform encryption with this key.
- @param plaintext The data to encrypt. The length and format of the data must conform to chosen algorithm,
- typically be less or equal to the value returned by SecKeyGetBlockSize().
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @result The ciphertext represented as a CFData, or NULL on failure.
- @discussion Encrypts plaintext data using specified key. The exact type of the operation including the format
- of input and output data is specified by encryption algorithm.
- */
-CFDataRef _Nullable SecKeyCreateEncryptedData(SecKeyRef key, SecKeyAlgorithm algorithm, CFDataRef plaintext,
- CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCreateDecryptedData
- @abstract Decrypt a block of ciphertext.
- @param key Private key with which to decrypt the data.
- @param algorithm One of SecKeyAlgorithm constants suitable to perform decryption with this key.
- @param ciphertext The data to decrypt. The length and format of the data must conform to chosen algorithm,
- typically be less or equal to the value returned by SecKeyGetBlockSize().
- @param error On error, will be populated with an error object describing the failure.
- See "Security Error Codes" (SecBase.h).
- @result The plaintext represented as a CFData, or NULL on failure.
- @discussion Decrypts ciphertext data using specified key. The exact type of the operation including the format
- of input and output data is specified by decryption algorithm.
- */
-CFDataRef _Nullable SecKeyCreateDecryptedData(SecKeyRef key, SecKeyAlgorithm algorithm, CFDataRef ciphertext,
- CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @enum SecKeyKeyExchangeParameter SecKey Key Exchange parameters
- @constant kSecKeyKeyExchangeParameterRequestedSize Contains CFNumberRef with requested result size in bytes.
- @constant kSecKeyKeyExchangeParameterSharedInfo Contains CFDataRef with additional shared info
- for KDF (key derivation function).
- */
-typedef CFStringRef SecKeyKeyExchangeParameter CF_STRING_ENUM
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyKeyExchangeParameter kSecKeyKeyExchangeParameterRequestedSize
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-extern const SecKeyKeyExchangeParameter kSecKeyKeyExchangeParameterSharedInfo
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyCopyKeyExchangeResult
- @abstract Perform Diffie-Hellman style of key exchange operation, optionally with additional key-derivation steps.
- @param algorithm One of SecKeyAlgorithm constants suitable to perform this operation.
- @param publicKey Remote party's public key.
- @param parameters Dictionary with parameters, see SecKeyKeyExchangeParameter constants. Used algorithm
- determines the set of required and optional parameters to be used.
- @param error Pointer to an error object on failure.
- See "Security Error Codes" (SecBase.h).
- @result Result of key exchange operation as a CFDataRef, or NULL on failure.
- */
-CFDataRef _Nullable SecKeyCopyKeyExchangeResult(SecKeyRef privateKey, SecKeyAlgorithm algorithm, SecKeyRef publicKey, CFDictionaryRef parameters, CFErrorRef *error)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @enum SecKeyOperationType
- @abstract Defines types of cryptographic operations available with SecKey instance.
-
- @constant kSecKeyOperationTypeSign
- Represents SecKeyCreateSignature()
-
- @constant kSecKeyOperationTypeVerify
- Represents SecKeyVerifySignature()
-
- @constant kSecKeyOperationTypeEncrypt
- Represents SecKeyCreateEncryptedData()
-
- @constant kSecKeyOperationTypeDecrypt
- Represents SecKeyCreateDecryptedData()
-
- @constant kSecKeyOperationTypeKeyExchange
- Represents SecKeyCopyKeyExchangeResult()
- */
-typedef CF_ENUM(CFIndex, SecKeyOperationType) {
- kSecKeyOperationTypeSign = 0,
- kSecKeyOperationTypeVerify = 1,
- kSecKeyOperationTypeEncrypt = 2,
- kSecKeyOperationTypeDecrypt = 3,
- kSecKeyOperationTypeKeyExchange = 4,
-} __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-/*!
- @function SecKeyIsAlgorithmSupported
- @abstract Checks whether key supports specified algorithm for specified operation.
- @param key Key to query
- @param operation Operation type for which the key is queried
- @param algorithm Algorithm which is queried
- @return True if key supports specified algorithm for specified operation, False otherwise.
- */
-Boolean SecKeyIsAlgorithmSupported(SecKeyRef key, SecKeyOperationType operation, SecKeyAlgorithm algorithm)
-__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
-
-CF_IMPLICIT_BRIDGING_DISABLED
-CF_ASSUME_NONNULL_END
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* !_SECURITY_SECKEY_H_ */