Function sha256_hex

gpcontrib/gpcloud/src/s3utils.cpp:37–51

}

bool sha256_hex(const char *string, uint64_t length,
                char out_hash_hex[SHA256_DIGEST_STRING_LENGTH]) {
    if (!string) return false;

    unsigned char hash[SHA256_DIGEST_LENGTH];  // 32

    SHA256((unsigned char *)string, length, hash);

    for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) {
        sprintf(out_hash_hex + (i * 2), "%02x", hash[i]);
    }
    out_hash_hex[SHA256_DIGEST_STRING_LENGTH - 1] = 0;

    return true;
}

bool sha256_hex(const char *string, char out_hash_hex[SHA256_DIGEST_STRING_LENGTH]) {
    return sha256_hex(string, strlen(string), out_hash_hex);