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-rw-r--r--compat/apple-common-crypto.h20
1 files changed, 15 insertions, 5 deletions
diff --git a/compat/apple-common-crypto.h b/compat/apple-common-crypto.h
index c8b9b0e1a6..11727f3e1e 100644
--- a/compat/apple-common-crypto.h
+++ b/compat/apple-common-crypto.h
@@ -3,12 +3,18 @@
#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
+/* CCHmac doesn't take md_len and the return type is void */
+#define HMAC git_CC_HMAC
+static inline unsigned char *git_CC_HMAC(CCHmacAlgorithm alg,
+ const void *key, int key_len,
+ const unsigned char *data, size_t data_len,
+ unsigned char *md, unsigned int *md_len)
+{
+ CCHmac(alg, key, key_len, data, data_len, md);
+ return md;
+}
+
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
#define APPLE_LION_OR_NEWER
#include <Security/Security.h>
@@ -16,6 +22,10 @@
#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 { \