diff options
Diffstat (limited to 'dss.c')
| -rw-r--r-- | dss.c | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -284,6 +284,7 @@ void buf_put_dss_sign(buffer* buf, const dropbear_dss_key *key, const buffer *da unsigned char msghash[SHA1_HASH_SIZE]; unsigned int writelen; unsigned int i; + size_t written; DEF_MP_INT(dss_k); DEF_MP_INT(dss_m); DEF_MP_INT(dss_temp1); @@ -340,31 +341,31 @@ void buf_put_dss_sign(buffer* buf, const dropbear_dss_key *key, const buffer *da buf_putstring(buf, SSH_SIGNKEY_DSS, SSH_SIGNKEY_DSS_LEN); buf_putint(buf, 2*SHA1_HASH_SIZE); - writelen = mp_unsigned_bin_size(&dss_r); + writelen = mp_ubin_size(&dss_r); dropbear_assert(writelen <= SHA1_HASH_SIZE); /* need to pad to 160 bits with leading zeros */ for (i = 0; i < SHA1_HASH_SIZE - writelen; i++) { buf_putbyte(buf, 0); } - if (mp_to_unsigned_bin(&dss_r, buf_getwriteptr(buf, writelen)) + if (mp_to_ubin(&dss_r, buf_getwriteptr(buf, writelen), writelen, &written) != MP_OKAY) { dropbear_exit("DSS error"); } mp_clear(&dss_r); - buf_incrwritepos(buf, writelen); + buf_incrwritepos(buf, written); - writelen = mp_unsigned_bin_size(&dss_s); + writelen = mp_ubin_size(&dss_s); dropbear_assert(writelen <= SHA1_HASH_SIZE); /* need to pad to 160 bits with leading zeros */ for (i = 0; i < SHA1_HASH_SIZE - writelen; i++) { buf_putbyte(buf, 0); } - if (mp_to_unsigned_bin(&dss_s, buf_getwriteptr(buf, writelen)) + if (mp_to_ubin(&dss_s, buf_getwriteptr(buf, writelen), writelen, &written) != MP_OKAY) { dropbear_exit("DSS error"); } mp_clear(&dss_s); - buf_incrwritepos(buf, writelen); + buf_incrwritepos(buf, written); mp_clear_multi(&dss_k, &dss_temp1, &dss_temp2, &dss_r, &dss_s, &dss_m, NULL); |