1 files changed, 62 insertions, 0 deletions
diff --git a/crypto/evp/m_blake2b.c b/crypto/evp/m_blake2b.c
new file mode 100644
index 0000000000..e3cf6f30a5
--- /dev/null
+++ b/crypto/evp/m_blake2b.c
@@ -0,0 +1,62 @@
+/*
+ * BLAKE2 reference source code package - reference C implementations
+ *
+ * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.
+ * You may use this under the terms of the CC0, the OpenSSL Licence, or the
+ * Apache Public License 2.0, at your option.  The terms of these licenses can
+ * be found at:
+ *
+ * - OpenSSL license   : https://www.openssl.org/source/license.html
+ * - Apache 2.0        : http://www.apache.org/licenses/LICENSE-2.0
+ * - CC0 1.0 Universal : http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * More information about the BLAKE2 hash function can be found at
+ * https://blake2.net.
+ */
+
+/* crypto/evp/m_blake2b.c */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+
+#ifndef OPENSSL_NO_BLAKE2
+
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include "internal/blake2_locl.h"
+# include "internal/evp_int.h"
+
+static int init(EVP_MD_CTX *ctx)
+{
+    return BLAKE2b_Init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+    return BLAKE2b_Update(EVP_MD_CTX_md_data(ctx), data, count);
+}
+
+static int final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+    return BLAKE2b_Final(md, EVP_MD_CTX_md_data(ctx));
+}
+
+static const EVP_MD blake2b_md = {
+    NID_blake2b,
+    0,
+    BLAKE2B_DIGEST_LENGTH,
+    0,
+    init,
+    update,
+    final,
+    NULL,
+    NULL,
+    0,
+    sizeof(EVP_MD *) + sizeof(BLAKE2B_CTX),
+};
+
+const EVP_MD *EVP_blake2b(void)
+{
+    return (&blake2b_md);
+}
+#endif