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August 29, 2015 14:01
Symphony Message SHA512 Hash Digest in Objective C
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| NSString* createSymphonySHA512MessageDigest(const char* s, const char* salt) { | |
| uint8_t digest[CC_SHA512_DIGEST_LENGTH]; | |
| char salted[strlen(s) + strlen(salt) + 3]; | |
| snprintf(salted, sizeof salted, "%s{%s}", s, salt); | |
| CC_SHA512(salted, (CC_LONG) strlen(salted), digest); | |
| for (int i = 0; i < 4999; i++) { | |
| CC_SHA512_CTX context; | |
| CC_SHA512_Init(&context); | |
| CC_SHA512_Update(&context, digest, (CC_LONG) CC_SHA512_DIGEST_LENGTH); | |
| CC_SHA512_Update(&context, salted, (CC_LONG)strlen(salted)); | |
| CC_SHA512_Final(digest, &context); | |
| } | |
| return [[NSData dataWithBytes:digest length:CC_SHA512_DIGEST_LENGTH] base64EncodedStringWithOptions:0]; | |
| } |
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Got stuck on the iteration hashing at first.