mirror of
git://git.suckless.org/sbase
synced 2024-12-23 07:25:07 +00:00
9ac01f59be
Factor out the code from md5sum and sha1sum into a util function. Use FILE * instead of a file descriptor. This will make it a bit easier/more consistent when we implement support for the -c option.
19 lines
615 B
C
19 lines
615 B
C
/* public domain sha1 implementation based on rfc3174 and libtomcrypt */
|
|
|
|
struct sha1 {
|
|
uint64_t len; /* processed message length */
|
|
uint32_t h[5]; /* hash state */
|
|
uint8_t buf[64]; /* message block buffer */
|
|
};
|
|
|
|
enum { SHA1_DIGEST_LENGTH = 20 };
|
|
|
|
/* reset state */
|
|
void sha1_init(void *ctx);
|
|
/* process message */
|
|
void sha1_update(void *ctx, const void *m, unsigned long len);
|
|
/* get message digest */
|
|
/* state is ruined after sum, keep a copy if multiple sum is needed */
|
|
/* part of the message might be left in s, zero it if secrecy is needed */
|
|
void sha1_sum(void *ctx, uint8_t md[SHA1_DIGEST_LENGTH]);
|