mirror of
https://github.com/git/git.git
synced 2024-10-30 22:07:53 +01:00
001fd7a90b
Using the previous commit's inredirection mechanism for SHA1, support a chunked implementation of SHA1_Update() that limits the amount of data in the chunk passed to SHA1_Update(). This is enabled by using the Makefile variable SHA1_MAX_BLOCK_SIZE to specify chunk size. When using Apple's CommonCrypto library this is set to 1GiB (the implementation cannot handle more 4GiB). Signed-off-by: Atousa Pahlevan Duprat <apahlevan@ieee.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* suppress inclusion of conflicting openssl functions */
|
|
#define OPENSSL_NO_MD5
|
|
#define HEADER_HMAC_H
|
|
#define HEADER_SHA_H
|
|
#include <CommonCrypto/CommonHMAC.h>
|
|
#define HMAC_CTX CCHmacContext
|
|
#define HMAC_Init(hmac, key, len, algo) CCHmacInit(hmac, algo, key, len)
|
|
#define HMAC_Update CCHmacUpdate
|
|
#define HMAC_Final(hmac, hash, ptr) CCHmacFinal(hmac, hash)
|
|
#define HMAC_CTX_cleanup(ignore)
|
|
#define EVP_md5(...) kCCHmacAlgMD5
|
|
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
|
|
#define APPLE_LION_OR_NEWER
|
|
#include <Security/Security.h>
|
|
/* Apple's TYPE_BOOL conflicts with config.c */
|
|
#undef TYPE_BOOL
|
|
#endif
|
|
|
|
#ifndef SHA1_MAX_BLOCK_SIZE
|
|
#error Using Apple Common Crypto library requires setting SHA1_MAX_BLOCK_SIZE
|
|
#endif
|
|
|
|
#ifdef APPLE_LION_OR_NEWER
|
|
#define git_CC_error_check(pattern, err) \
|
|
do { \
|
|
if (err) { \
|
|
die(pattern, (long)CFErrorGetCode(err)); \
|
|
} \
|
|
} while(0)
|
|
|
|
#define EVP_EncodeBlock git_CC_EVP_EncodeBlock
|
|
static inline int git_CC_EVP_EncodeBlock(unsigned char *out,
|
|
const unsigned char *in, int inlen)
|
|
{
|
|
CFErrorRef err;
|
|
SecTransformRef encoder;
|
|
CFDataRef input, output;
|
|
CFIndex length;
|
|
|
|
encoder = SecEncodeTransformCreate(kSecBase64Encoding, &err);
|
|
git_CC_error_check("SecEncodeTransformCreate failed: %ld", err);
|
|
|
|
input = CFDataCreate(kCFAllocatorDefault, in, inlen);
|
|
SecTransformSetAttribute(encoder, kSecTransformInputAttributeName,
|
|
input, &err);
|
|
git_CC_error_check("SecTransformSetAttribute failed: %ld", err);
|
|
|
|
output = SecTransformExecute(encoder, &err);
|
|
git_CC_error_check("SecTransformExecute failed: %ld", err);
|
|
|
|
length = CFDataGetLength(output);
|
|
CFDataGetBytes(output, CFRangeMake(0, length), out);
|
|
|
|
CFRelease(output);
|
|
CFRelease(input);
|
|
CFRelease(encoder);
|
|
|
|
return (int)strlen((const char *)out);
|
|
}
|
|
|
|
#define EVP_DecodeBlock git_CC_EVP_DecodeBlock
|
|
static int inline git_CC_EVP_DecodeBlock(unsigned char *out,
|
|
const unsigned char *in, int inlen)
|
|
{
|
|
CFErrorRef err;
|
|
SecTransformRef decoder;
|
|
CFDataRef input, output;
|
|
CFIndex length;
|
|
|
|
decoder = SecDecodeTransformCreate(kSecBase64Encoding, &err);
|
|
git_CC_error_check("SecEncodeTransformCreate failed: %ld", err);
|
|
|
|
input = CFDataCreate(kCFAllocatorDefault, in, inlen);
|
|
SecTransformSetAttribute(decoder, kSecTransformInputAttributeName,
|
|
input, &err);
|
|
git_CC_error_check("SecTransformSetAttribute failed: %ld", err);
|
|
|
|
output = SecTransformExecute(decoder, &err);
|
|
git_CC_error_check("SecTransformExecute failed: %ld", err);
|
|
|
|
length = CFDataGetLength(output);
|
|
CFDataGetBytes(output, CFRangeMake(0, length), out);
|
|
|
|
CFRelease(output);
|
|
CFRelease(input);
|
|
CFRelease(decoder);
|
|
|
|
return (int)strlen((const char *)out);
|
|
}
|
|
#endif /* APPLE_LION_OR_NEWER */
|