int cert_fingerprint(X509* cert, char *buf, size_t n, neo4j_logger_t *logger)
{
unsigned char *der = NULL;
int derlen = i2d_X509(cert, &der);
if (derlen < 0)
{
errno = openssl_error(logger, NEO4J_LOG_ERROR, __FILE__, __LINE__);
return -1;
}
unsigned char digest[EVP_MAX_MD_SIZE];
unsigned int dlen;
if (sha512_digest(digest, &dlen, der, derlen, logger))
{
free(der);
return -1;
}
assert(dlen <= EVP_MAX_MD_SIZE);
size_t c = 0;
for (unsigned int i = 0; i < dlen && c < n; i++)
{
snprintf(buf + c, n - c, "%02x", digest[i]);
c += 2;
}
return 0;
}
static int
_digest_nettle(int algo, uint8_t* buf, size_t len,
unsigned char* res)
{
switch(algo) {
case SHA1_DIGEST_SIZE:
{
struct sha1_ctx ctx;
sha1_init(&ctx);
sha1_update(&ctx, len, buf);
sha1_digest(&ctx, SHA1_DIGEST_SIZE, res);
return 1;
}
case SHA256_DIGEST_SIZE:
{
struct sha256_ctx ctx;
sha256_init(&ctx);
sha256_update(&ctx, len, buf);
sha256_digest(&ctx, SHA256_DIGEST_SIZE, res);
return 1;
}
case SHA384_DIGEST_SIZE:
{
struct sha384_ctx ctx;
sha384_init(&ctx);
sha384_update(&ctx, len, buf);
sha384_digest(&ctx, SHA384_DIGEST_SIZE, res);
return 1;
}
case SHA512_DIGEST_SIZE:
{
struct sha512_ctx ctx;
sha512_init(&ctx);
sha512_update(&ctx, len, buf);
sha512_digest(&ctx, SHA512_DIGEST_SIZE, res);
return 1;
}
default:
break;
}
return 0;
}
void libmaus::digest::SHA2_512::digest(uint8_t * digest) { sha512_digest(reinterpret_cast<sha512_ctx *>(ctx),digestlength,&digest[0]); }
static int
__archive_nettle_sha512final(archive_sha512_ctx *ctx, void *md)
{
sha512_digest(ctx, SHA512_DIGEST_SIZE, md);
return (ARCHIVE_OK);
}
