Files
lightning/bitcoin/shadouble.c
Rusty Russell 612d713470 Move bitcoin stuff into bitcoin subdir.
It's not very interesting if you're looking for LN code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-06-12 12:35:42 +09:30

14 lines
373 B
C

#include "shadouble.h"
void sha256_double(struct sha256_double *shadouble, const void *p, size_t len)
{
sha256(&shadouble->sha, p, len);
sha256(&shadouble->sha, &shadouble->sha, sizeof(shadouble->sha));
}
void sha256_double_done(struct sha256_ctx *shactx, struct sha256_double *res)
{
sha256_done(shactx, &res->sha);
sha256(&res->sha, &res->sha, sizeof(res->sha));
}