projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 3ef2bcad JH |
1 | /* suppress inclusion of conflicting openssl functions */ |
| 2 | #define OPENSSL_NO_MD5 | |
| 3 | #define HEADER_HMAC_H | |
| 4 | #define HEADER_SHA_H | |
| 5 | #include <CommonCrypto/CommonHMAC.h> | |
| 3ef2bcad | 6 | #define EVP_md5(...) kCCHmacAlgMD5 |
| 1ed2c7b1 KY |
7 | /* CCHmac doesn't take md_len and the return type is void */ |
| 8 | #define HMAC git_CC_HMAC | |
| 9 | static inline unsigned char *git_CC_HMAC(CCHmacAlgorithm alg, | |
| 10 | const void *key, int key_len, | |
| 11 | const unsigned char *data, size_t data_len, | |
| 12 | unsigned char *md, unsigned int *md_len) | |
| 13 | { | |
| 14 | CCHmac(alg, key, key_len, data, data_len, md); | |
| 15 | return md; | |
| 16 | } | |
| 17 | ||
| 3ef2bcad JH |
18 | #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 |
| 19 | #define APPLE_LION_OR_NEWER | |
| 20 | #include <Security/Security.h> | |
| 21 | /* Apple's TYPE_BOOL conflicts with config.c */ | |
| 22 | #undef TYPE_BOOL | |
| 23 | #endif | |
| 24 | ||
| 001fd7a9 APD |
25 | #ifndef SHA1_MAX_BLOCK_SIZE |
| 26 | #error Using Apple Common Crypto library requires setting SHA1_MAX_BLOCK_SIZE | |
| 27 | #endif | |
| 28 | ||
| 3ef2bcad JH |
29 | #ifdef APPLE_LION_OR_NEWER |
| 30 | #define git_CC_error_check(pattern, err) \ | |
| 31 | do { \ | |
| 32 | if (err) { \ | |
| 33 | die(pattern, (long)CFErrorGetCode(err)); \ | |
| 34 | } \ | |
| 35 | } while(0) | |
| 36 | ||
| 37 | #define EVP_EncodeBlock git_CC_EVP_EncodeBlock | |
| 38 | static inline int git_CC_EVP_EncodeBlock(unsigned char *out, | |
| 39 | const unsigned char *in, int inlen) | |
| 40 | { | |
| 41 | CFErrorRef err; | |
| 42 | SecTransformRef encoder; | |
| 43 | CFDataRef input, output; | |
| 44 | CFIndex length; | |
| 45 | ||
| 46 | encoder = SecEncodeTransformCreate(kSecBase64Encoding, &err); | |
| 47 | git_CC_error_check("SecEncodeTransformCreate failed: %ld", err); | |
| 48 | ||
| 49 | input = CFDataCreate(kCFAllocatorDefault, in, inlen); | |
| 50 | SecTransformSetAttribute(encoder, kSecTransformInputAttributeName, | |
| 51 | input, &err); | |
| 52 | git_CC_error_check("SecTransformSetAttribute failed: %ld", err); | |
| 53 | ||
| 54 | output = SecTransformExecute(encoder, &err); | |
| 55 | git_CC_error_check("SecTransformExecute failed: %ld", err); | |
| 56 | ||
| 57 | length = CFDataGetLength(output); | |
| 58 | CFDataGetBytes(output, CFRangeMake(0, length), out); | |
| 59 | ||
| 60 | CFRelease(output); | |
| 61 | CFRelease(input); | |
| 62 | CFRelease(encoder); | |
| 63 | ||
| 64 | return (int)strlen((const char *)out); | |
| 65 | } | |
| 66 | ||
| 67 | #define EVP_DecodeBlock git_CC_EVP_DecodeBlock | |
| 68 | static int inline git_CC_EVP_DecodeBlock(unsigned char *out, | |
| 69 | const unsigned char *in, int inlen) | |
| 70 | { | |
| 71 | CFErrorRef err; | |
| 72 | SecTransformRef decoder; | |
| 73 | CFDataRef input, output; | |
| 74 | CFIndex length; | |
| 75 | ||
| 76 | decoder = SecDecodeTransformCreate(kSecBase64Encoding, &err); | |
| 77 | git_CC_error_check("SecEncodeTransformCreate failed: %ld", err); | |
| 78 | ||
| 79 | input = CFDataCreate(kCFAllocatorDefault, in, inlen); | |
| 80 | SecTransformSetAttribute(decoder, kSecTransformInputAttributeName, | |
| 81 | input, &err); | |
| 82 | git_CC_error_check("SecTransformSetAttribute failed: %ld", err); | |
| 83 | ||
| 84 | output = SecTransformExecute(decoder, &err); | |
| 85 | git_CC_error_check("SecTransformExecute failed: %ld", err); | |
| 86 | ||
| 87 | length = CFDataGetLength(output); | |
| 88 | CFDataGetBytes(output, CFRangeMake(0, length), out); | |
| 89 | ||
| 90 | CFRelease(output); | |
| 91 | CFRelease(input); | |
| 92 | CFRelease(decoder); | |
| 93 | ||
| 94 | return (int)strlen((const char *)out); | |
| 95 | } | |
| 96 | #endif /* APPLE_LION_OR_NEWER */ |