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Add crypt.[ch] and update md5sum and sha1sum

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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.
This commit is contained in:
sin
2013-07-07 15:29:45 +01:00
committed by David Galos
parent 48e6870bb7
commit 9ac01f59be
9 changed files with 98 additions and 83 deletions
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10
util/sha1.c
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@@ -89,8 +89,10 @@ static void pad(struct sha1 *s)
processblock(s, s->buf);
}
void sha1_init(struct sha1 *s)
void sha1_init(void *ctx)
{
struct sha1 *s = ctx;
s->len = 0;
s->h[0] = 0x67452301;
s->h[1] = 0xEFCDAB89;
@@ -99,8 +101,9 @@ void sha1_init(struct sha1 *s)
s->h[4] = 0xC3D2E1F0;
}
void sha1_sum(struct sha1 *s, uint8_t md[20])
void sha1_sum(void *ctx, uint8_t md[20])
{
struct sha1 *s = ctx;
int i;
pad(s);
@@ -112,8 +115,9 @@ void sha1_sum(struct sha1 *s, uint8_t md[20])
}
}
void sha1_update(struct sha1 *s, const void *m, unsigned long len)
void sha1_update(void *ctx, const void *m, unsigned long len)
{
struct sha1 *s = ctx;
const uint8_t *p = m;
unsigned r = s->len % 64;