sec/Security/SecOTRDHKey.h

   1 //
   2 //  SecOTRDHKey.h
   3 //  libsecurity_libSecOTR
   4 //
   5 //  Created by Mitch Adler on 3/2/11.
   6 //  Copyright 2011 Apple Inc. All rights reserved.
   7 //
   8 #ifndef _SECOTRDHKEY_H_
   9 #define _SECOTRDHKEY_H_
  10
  11 #include <CoreFoundation/CFBase.h>
  12 #include <CoreFoundation/CFData.h>
  13 #include <corecrypto/ccn.h>
  14
  15 __BEGIN_DECLS
  16
  17 typedef struct _SecOTRFullDHKey* SecOTRFullDHKeyRef;
  18 typedef struct _SecOTRPublicDHKey* SecOTRPublicDHKeyRef;
  19
  20 SecOTRFullDHKeyRef SecOTRFullDHKCreate(CFAllocatorRef allocator);
  21 SecOTRFullDHKeyRef SecOTRFullDHKCreateFromBytes(CFAllocatorRef allocator, const uint8_t**bytes, size_t*size);
  22
  23 void SecFDHKNewKey(SecOTRFullDHKeyRef key);
  24 void SecFDHKAppendSerialization(SecOTRFullDHKeyRef fullKey, CFMutableDataRef appendTo);
  25 void SecFDHKAppendPublicSerialization(SecOTRFullDHKeyRef fullKey, CFMutableDataRef appendTo);
  26 uint8_t* SecFDHKGetHash(SecOTRFullDHKeyRef pubKey);
  27
  28
  29 SecOTRPublicDHKeyRef SecOTRPublicDHKCreateFromFullKey(CFAllocatorRef allocator, SecOTRFullDHKeyRef full);
  30 SecOTRPublicDHKeyRef SecOTRPublicDHKCreateFromSerialization(CFAllocatorRef allocator, const uint8_t**bytes, size_t*size);
  31 SecOTRPublicDHKeyRef SecOTRPublicDHKCreateFromBytes(CFAllocatorRef allocator, const uint8_t** bytes, size_t *size);
  32
  33 void SecPDHKAppendSerialization(SecOTRPublicDHKeyRef pubKey, CFMutableDataRef appendTo);
  34 uint8_t* SecPDHKGetHash(SecOTRPublicDHKeyRef pubKey);
  35
  36 void SecPDHKeyGenerateS(SecOTRFullDHKeyRef myKey, SecOTRPublicDHKeyRef theirKey, cc_unit* s);
  37
  38 bool SecDHKIsGreater(SecOTRFullDHKeyRef myKey, SecOTRPublicDHKeyRef theirKey);
  39
  40 void SecOTRDHKGenerateOTRKeys(SecOTRFullDHKeyRef myKey, SecOTRPublicDHKeyRef theirKey,
  41                            uint8_t* sendMessageKey, uint8_t* sendMacKey,
  42                            uint8_t* receiveMessageKey, uint8_t* receiveMacKey);
  43
  44 __END_DECLS
  45
  46 #endif