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auth/hmac: save lc_hash_ctx for scrub

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Lucas Gabriel Vuotto 2024-06-19 14:07:36 +00:00
parent 9da7685779
commit 8766827b49
1 changed files with 3 additions and 0 deletions
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3
auth_hmac.c
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@ -64,6 +64,7 @@ hmac_update(void *arg, const uint8_t *in, size_t inlen)
static int static int
hmac_final(void *arg, uint8_t *out, size_t *outlen) hmac_final(void *arg, uint8_t *out, size_t *outlen)
{ {
struct lc_hash_ctx *hash;
struct hmac_state *state = arg; struct hmac_state *state = arg;
uint8_t m[HMAC_BLOCKLEN_MAX], uint8_t m[HMAC_BLOCKLEN_MAX],
okeypad[HMAC_BLOCKLEN_MAX]; okeypad[HMAC_BLOCKLEN_MAX];
@ -87,7 +88,9 @@ hmac_final(void *arg, uint8_t *out, size_t *outlen)
lc_hash_update(state->hash, m, olen) && lc_hash_update(state->hash, m, olen) &&
lc_hash_final(state->hash, out, outlen); lc_hash_final(state->hash, out, outlen);
hash = state->hash;
lc_scrub(state, sizeof(*state)); lc_scrub(state, sizeof(*state));
state->hash = hash;
return rc; return rc;
} }