X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fsha1.h;h=9a372775ae9aac28b4134203fb15ea42cf083080;hb=6a542738b2a59f98831fa36e6208d388c007d0b8;hp=75d3533da4be5e8b16c0f28aa7fb04b7031a6a1a;hpb=5eccf359391f7fe2cdb0edbaaf5680895c115218;p=openvswitch

diff --git a/lib/sha1.h b/lib/sha1.h
index 75d3533d..9a372775 100644
--- a/lib/sha1.h
+++ b/lib/sha1.h
@@ -29,11 +29,12 @@
 #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 {
@@ -48,4 +49,18 @@ void sha1_update(struct sha1_ctx *, const void *, size_t);
 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 */