Mercurial > dropbear
diff dss.c @ 760:f336d232fc63 ecc
Make _sign and _verify functions take a buffer* rather than void* and int
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sat, 06 Apr 2013 16:00:37 +0800 |
| parents | d6067dd60490 |
| children | 7dcb46da72d9 |
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--- a/dss.c Fri Mar 29 00:28:09 2013 +0800 +++ b/dss.c Sat Apr 06 16:00:37 2013 +0800 @@ -161,9 +161,7 @@ #ifdef DROPBEAR_SIGNKEY_VERIFY /* Verify a DSS signature (in buf) made on data by the key given. * returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */ -int buf_dss_verify(buffer* buf, dropbear_dss_key *key, const unsigned char* data, - unsigned int len) { - +int buf_dss_verify(buffer* buf, dropbear_dss_key *key, buffer *data_buf) { unsigned char msghash[SHA1_HASH_SIZE]; hash_state hs; int ret = DROPBEAR_FAILURE; @@ -187,7 +185,7 @@ /* hash the data */ sha1_init(&hs); - sha1_process(&hs, data, len); + sha1_process(&hs, data_buf->data, data_buf->len); sha1_done(&hs, msghash); /* create the signature - s' and r' are the received signatures in buf */ @@ -260,9 +258,7 @@ /* Sign the data presented with key, writing the signature contents * to the buffer */ -void buf_put_dss_sign(buffer* buf, dropbear_dss_key *key, const unsigned char* data, - unsigned int len) { - +void buf_put_dss_sign(buffer* buf, dropbear_dss_key *key, buffer *data_buf) { unsigned char msghash[SHA1_HASH_SIZE]; unsigned int writelen; unsigned int i; @@ -279,7 +275,7 @@ /* hash the data */ sha1_init(&hs); - sha1_process(&hs, data, len); + sha1_process(&hs, data_buf->data, data_buf->len); sha1_done(&hs, msghash); m_mp_init_multi(&dss_k, &dss_temp1, &dss_temp2, &dss_r, &dss_s,