return 0;
}
-#define HMAC_BLOCK_SIZE 64
-
-static void hmac_sha1(unsigned char *out,
+static void hmac(unsigned char *out,
const char *key_in, size_t key_len,
const char *text, size_t text_len)
{
- unsigned char key[HMAC_BLOCK_SIZE];
- unsigned char k_ipad[HMAC_BLOCK_SIZE];
- unsigned char k_opad[HMAC_BLOCK_SIZE];
+ unsigned char key[GIT_MAX_BLKSZ];
+ unsigned char k_ipad[GIT_MAX_BLKSZ];
+ unsigned char k_opad[GIT_MAX_BLKSZ];
int i;
- git_SHA_CTX ctx;
+ git_hash_ctx ctx;
/* RFC 2104 2. (1) */
- memset(key, '\0', HMAC_BLOCK_SIZE);
- if (HMAC_BLOCK_SIZE < key_len) {
- git_SHA1_Init(&ctx);
- git_SHA1_Update(&ctx, key_in, key_len);
- git_SHA1_Final(key, &ctx);
+ memset(key, '\0', GIT_MAX_BLKSZ);
+ if (the_hash_algo->blksz < key_len) {
+ the_hash_algo->init_fn(&ctx);
+ the_hash_algo->update_fn(&ctx, key_in, key_len);
+ the_hash_algo->final_fn(key, &ctx);
} else {
memcpy(key, key_in, key_len);
}
}
/* RFC 2104 2. (3) & (4) */
- git_SHA1_Init(&ctx);
- git_SHA1_Update(&ctx, k_ipad, sizeof(k_ipad));
- git_SHA1_Update(&ctx, text, text_len);
- git_SHA1_Final(out, &ctx);
+ the_hash_algo->init_fn(&ctx);
+ the_hash_algo->update_fn(&ctx, k_ipad, sizeof(k_ipad));
+ the_hash_algo->update_fn(&ctx, text, text_len);
+ the_hash_algo->final_fn(out, &ctx);
/* RFC 2104 2. (6) & (7) */
- git_SHA1_Init(&ctx);
- git_SHA1_Update(&ctx, k_opad, sizeof(k_opad));
- git_SHA1_Update(&ctx, out, GIT_SHA1_RAWSZ);
- git_SHA1_Final(out, &ctx);
+ the_hash_algo->init_fn(&ctx);
+ the_hash_algo->update_fn(&ctx, k_opad, sizeof(k_opad));
+ the_hash_algo->update_fn(&ctx, out, the_hash_algo->rawsz);
+ the_hash_algo->final_fn(out, &ctx);
}
static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp)
{
struct strbuf buf = STRBUF_INIT;
- unsigned char sha1[GIT_SHA1_RAWSZ];
+ unsigned char hash[GIT_MAX_RAWSZ];
strbuf_addf(&buf, "%s:%"PRItime, path, stamp);
- hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
+ hmac(hash, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
strbuf_release(&buf);
/* RFC 2104 5. HMAC-SHA1-80 */
- strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, GIT_SHA1_HEXSZ, sha1_to_hex(sha1));
+ strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, (int)the_hash_algo->hexsz, sha1_to_hex(hash));
return strbuf_detach(&buf, NULL);
}