1 files changed, 51 insertions, 0 deletions
diff --git a/providers/implementations/digests/md5_sha1_prov.c b/providers/implementations/digests/md5_sha1_prov.c
new file mode 100644
index 0000000000..ff6e2ed121
--- /dev/null
+++ b/providers/implementations/digests/md5_sha1_prov.c
@@ -0,0 +1,51 @@
+/*
+ * 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 <string.h>
+#include <openssl/crypto.h>
+#include <openssl/evp.h>
+#include <openssl/params.h>
+#include <openssl/core_names.h>
+#include "prov/md5_sha1.h"
+#include "prov/digestcommon.h"
+#include "internal/provider_algs.h"
+
+static OSSL_OP_digest_set_ctx_params_fn md5_sha1_set_ctx_params;
+static OSSL_OP_digest_settable_ctx_params_fn md5_sha1_settable_ctx_params;
+
+static const OSSL_PARAM known_md5_sha1_settable_ctx_params[] = {
+    {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
+    OSSL_PARAM_END
+};
+
+static const OSSL_PARAM *md5_sha1_settable_ctx_params(void)
+{
+    return known_md5_sha1_settable_ctx_params;
+}
+
+/* Special set_params method for SSL3 */
+static int md5_sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
+{
+    const OSSL_PARAM *p;
+    MD5_SHA1_CTX *ctx = (MD5_SHA1_CTX *)vctx;
+
+    if (ctx != NULL && params != NULL) {
+        p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
+        if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
+            return md5_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET, p->data_size,
+                                 p->data);
+    }
+    return 0;
+}
+
+/* md5_sha1_functions */
+IMPLEMENT_digest_functions_with_settable_ctx(
+    md5_sha1, MD5_SHA1_CTX, MD5_SHA1_CBLOCK, MD5_SHA1_DIGEST_LENGTH, 0,
+    md5_sha1_init, md5_sha1_update, md5_sha1_final,
+    md5_sha1_settable_ctx_params, md5_sha1_set_ctx_params)