1 files changed, 42 insertions, 0 deletions
diff --git a/providers/implementations/digests/blake2_prov.c b/providers/implementations/digests/blake2_prov.c
new file mode 100644
index 0000000000..16f301b177
--- /dev/null
+++ b/providers/implementations/digests/blake2_prov.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/crypto.h>
+#include "prov/blake2.h"
+#include "prov/digestcommon.h"
+#include "internal/provider_algs.h"
+
+OSSL_OP_digest_init_fn blake2s256_init;
+OSSL_OP_digest_init_fn blake2b512_init;
+
+int blake2s256_init(void *ctx)
+{
+    BLAKE2S_PARAM P;
+
+    blake2s_param_init(&P);
+    return blake2s_init((BLAKE2S_CTX *)ctx, &P);
+}
+
+int blake2b512_init(void *ctx)
+{
+    BLAKE2B_PARAM P;
+
+    blake2b_param_init(&P);
+    return blake2b_init((BLAKE2B_CTX *)ctx, &P);
+}
+
+/* blake2s256_functions */
+IMPLEMENT_digest_functions(blake2s256, BLAKE2S_CTX,
+                           BLAKE2S_BLOCKBYTES, BLAKE2S_DIGEST_LENGTH, 0,
+                           blake2s256_init, blake2s_update, blake2s_final)
+
+/* blake2b512_functions */
+IMPLEMENT_digest_functions(blake2b512, BLAKE2B_CTX,
+                           BLAKE2B_BLOCKBYTES, BLAKE2B_DIGEST_LENGTH, 0,
+                           blake2b512_init, blake2b_update, blake2b_final)