+ unsigned char tmpdata[len];
+
+ if(digest->key) {
+ if(!HMAC(digest->digest, digest->key, digest->keylength, indata, inlen, tmpdata, NULL)) {
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "Error creating digest: %s", ERR_error_string(ERR_get_error(), NULL));
+ return false;
+ }
+ } else {
+ EVP_MD_CTX *ctx = EVP_MD_CTX_create();
+
+ if(!ctx) {
+ abort();
+ }
+
+ if(!EVP_DigestInit(ctx, digest->digest)
+ || !EVP_DigestUpdate(ctx, indata, inlen)
+ || !EVP_DigestFinal(ctx, tmpdata, NULL)) {
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "Error creating digest: %s", ERR_error_string(ERR_get_error(), NULL));
+ EVP_MD_CTX_destroy(ctx);
+ return false;
+ }
+
+ EVP_MD_CTX_destroy(ctx);
+ }
+
+ memcpy(outdata, tmpdata, digest->maclength);
+ return true;
+}
+
+bool digest_verify(digest_t *digest, const void *indata, size_t inlen, const void *cmpdata) {
+ size_t len = digest->maclength;
+ unsigned char outdata[len];