Initial import.

src/hash/dig_oid.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
+ *
+ * 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"
+
+static const unsigned char md5_OID[] = {
+	0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05
+};
+
+static const unsigned char sha1_OID[] = {
+	0x2B, 0x0E, 0x03, 0x02, 0x1A
+};
+
+static const unsigned char sha224_OID[] = {
+	0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04
+};
+
+static const unsigned char sha256_OID[] = {
+	0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01
+};
+
+static const unsigned char sha384_OID[] = {
+	0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02
+};
+
+static const unsigned char sha512_OID[] = {
+	0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03
+};
+
+/* see inner.h */
+const unsigned char *
+br_digest_OID(int digest_id, size_t *len)
+{
+	switch (digest_id) {
+	case br_md5_ID:
+		*len = sizeof md5_OID;
+		return md5_OID;
+	case br_sha1_ID:
+		*len = sizeof sha1_OID;
+		return sha1_OID;
+	case br_sha224_ID:
+		*len = sizeof sha224_OID;
+		return sha224_OID;
+	case br_sha256_ID:
+		*len = sizeof sha256_OID;
+		return sha256_OID;
+	case br_sha384_ID:
+		*len = sizeof sha384_OID;
+		return sha384_OID;
+	case br_sha512_ID:
+		*len = sizeof sha512_OID;
+		return sha512_OID;
+	default:
+		*len = 0;
+		return NULL;
+	}
+}