1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/bearssl/src/prf_md5sha1.c b/third_party/bearssl/src/prf_md5sha1.c
new file mode 100644
index 0000000..3212833
--- /dev/null
+++ b/third_party/bearssl/src/prf_md5sha1.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2016 Thomas Pornin <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining 
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be 
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "inner.h"
+
+/* see bearssl.h */
+void
+br_tls10_prf(void *dst, size_t len,
+	const void *secret, size_t secret_len, const char *label,
+	size_t seed_num, const br_tls_prf_seed_chunk *seed)
+{
+	const unsigned char *s1;
+	size_t slen;
+
+	s1 = secret;
+	slen = (secret_len + 1) >> 1;
+	memset(dst, 0, len);
+	br_tls_phash(dst, len, &br_md5_vtable,
+		s1, slen, label, seed_num, seed);
+	br_tls_phash(dst, len, &br_sha1_vtable,
+		s1 + secret_len - slen, slen, label, seed_num, seed);
+}