/*
* This file is from the Apache Portable Runtime Library.
* The full upstream copyright and license statement is included below.
- * Modifications copyright (c) 2009 Nicira Networks.
+ * Modifications copyright (c) 2009 Nicira, Inc.
*/
/* Licensed to the Apache Software Foundation (ASF) under one or more
* limitations under the License.
*/
/* NIST Secure Hash Algorithm
- * heavily modified by Uwe Hollerbach uh@alumni.caltech edu
- * from Peter C. Gutmann's implementation as found in
- * Applied Cryptography by Bruce Schneier
- * This code is hereby placed in the public domain
+ * heavily modified by Uwe Hollerbach uh@alumni.caltech edu
+ * from Peter C. Gutmann's implementation as found in
+ * Applied Cryptography by Bruce Schneier
+ * This code is hereby placed in the public domain
*/
#ifndef SHA1_H
#define SHA1_H
+#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
-/* Size of the SHA1 digest. */
-#define SHA1_DIGEST_SIZE 20
+#define SHA1_DIGEST_SIZE 20 /* Size of the SHA1 digest. */
+#define SHA1_HEX_DIGEST_LEN 40 /* Length of SHA1 digest as hex in ASCII. */
/* SHA1 context structure. */
struct sha1_ctx {
void sha1_final(struct sha1_ctx *, uint8_t digest[SHA1_DIGEST_SIZE]);
void sha1_bytes(const void *, size_t, uint8_t digest[SHA1_DIGEST_SIZE]);
+#define SHA1_FMT \
+ "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" \
+ "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
+#define SHA1_ARGS(DIGEST) \
+ ((DIGEST)[0]), ((DIGEST)[1]), ((DIGEST)[2]), ((DIGEST)[3]), \
+ ((DIGEST)[4]), ((DIGEST)[5]), ((DIGEST)[6]), ((DIGEST)[7]), \
+ ((DIGEST)[8]), ((DIGEST)[9]), ((DIGEST)[10]), ((DIGEST)[11]), \
+ ((DIGEST)[12]), ((DIGEST)[13]), ((DIGEST)[14]), ((DIGEST)[15]), \
+ ((DIGEST)[16]), ((DIGEST)[17]), ((DIGEST)[18]), ((DIGEST)[19])
+
+void sha1_to_hex(const uint8_t digest[SHA1_DIGEST_SIZE],
+ char hex[SHA1_HEX_DIGEST_LEN + 1]);
+bool sha1_from_hex(uint8_t digest[SHA1_DIGEST_SIZE], const char *hex);
+
#endif /* sha1.h */