X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_transform/lib/SecSignVerifyTransform.h

diff --git a/Security/libsecurity_transform/lib/SecSignVerifyTransform.h b/Security/libsecurity_transform/lib/SecSignVerifyTransform.h
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+#ifndef __TRANSFORM_SIGN_VERIFY__
+#define __TRANSFORM_SIGN_VERIFY__
+
+
+/*
+ * Copyright (c) 2010-2011 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@
+ */
+
+#include "SecTransform.h"
+#include <Security/SecBase.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	
+	extern CFStringRef kSecKeyAttributeName, kSecSignatureAttributeName, kSecInputIsAttributeName;
+	// WARNING: kSecInputIsRaw is frequently cryptographically unsafe (for example if you don't blind a DSA or ECDSA signature you give away the key very quickly), please only use it if you really know the math.
+	extern CFStringRef kSecInputIsPlainText, kSecInputIsDigest, kSecInputIsRaw;
+	// Supported optional attributes: kSecDigestTypeAttribute (kSecDigestMD2, kSecDigestMD4, kSecDigestMD5, kSecDigestSHA1, kSecDigestSHA2), kSecDigestLengthAttribute
+	
+	/*!
+	 @function SecSignTransformCreate
+	 @abstract			Creates a sign computation object.
+	 @param key		A SecKey with the private key used for signing.
+	 @param error		A pointer to a CFErrorRef.  This pointer will be set
+	 if an error occurred.  This value may be NULL if you
+	 do not want an error returned.
+	 @result				A pointer to a SecTransformRef object.  This object must
+	 be released with CFRelease when you are done with
+	 it.  This function will return NULL if an error
+	 occurred.
+	 @discussion			This function creates a transform which computes a
+	 cryptographic signature.   The InputIS defaults to kSecInputIsPlainText,
+	 and the DigestType and DigestLength default to something appropriate for
+	 the type of key you have supplied.
+	 */
+	
+	SecTransformRef SecSignTransformCreate(SecKeyRef key,
+											 CFErrorRef* error
+											 )
+	__OSX_AVAILABLE_STARTING(__MAC_10_7,__IPHONE_NA);
+	
+	/*!
+	 @function SecVerifyTransformCreate
+	 @abstract			Creates a verify computation object.
+	 @param key		A SecKey with the public key used for signing.
+	 @param signature	A CFDataRef with the signature.   This value may be
+	 NULL, and you may connect a transform to kSecTransformSignatureAttributeName
+	 to supply it from another signature.
+	 @param error		A pointer to a CFErrorRef.  This pointer will be set
+	 if an error occurred.  This value may be NULL if you
+	 do not want an error returned.
+	 @result				A pointer to a SecTransformRef object.  This object must
+	 be released with CFRelease when you are done with
+	 it.  This function will return NULL if an error
+	 occurred.
+	 @discussion			This function creates a transform which verifies a
+	 cryptographic signature.  The InputIS defaults to kSecInputIsPlainText,
+	 and the DigestType and DigestLength default to something appropriate for
+	 the type of key you have supplied.
+	 */
+	
+	SecTransformRef SecVerifyTransformCreate(SecKeyRef key,
+											 CFDataRef signature,
+											 CFErrorRef* error
+											 )
+	__OSX_AVAILABLE_STARTING(__MAC_10_7,__IPHONE_NA);
+	
+	
+#ifdef __cplusplus
+};
+#endif
+
+
+#endif