abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-05-07 08:56:17 +08:00
Code Issues Packages Projects Releases Wiki Activity

[bugfix] EC_KEY_set_ECCrefPublicKey转换过程中未处理字节数组偏移

Browse Source 
EC_KEY_set_ECCrefPublicKey转换过程中未处理字节数组偏移，转换出来的大数有误
This commit is contained in:
ZZMarquis
2018-07-10 18:25:53 +08:00
committed by GitHub
parent a0e5d103ba
commit e0a9de9a1b
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
crypto/gmapi/gmapi_sdf_ec.c
View File

@@ -119,11 +119,11 @@ int EC_KEY_set_ECCrefPublicKey(EC_KEY *ec_key, const ECCrefPublicKey *ref)
/* ECCrefPublicKey ==> EC_KEY */
nbytes = (ref->bits + 7)/8;
if (!(x = BN_bin2bn(ref->x, nbytes, NULL))) {
if (!(x = BN_bin2bn(ref->x + ECCref_MAX_LEN - nbytes, nbytes, NULL))) {
GMAPIerr(GMAPI_F_EC_KEY_SET_ECCREFPUBLICKEY, ERR_R_BN_LIB);
goto end;
}
if (!(y = BN_bin2bn(ref->y, nbytes, NULL))) {
if (!(y = BN_bin2bn(ref->y + ECCref_MAX_LEN - nbytes, nbytes, NULL))) {
GMAPIerr(GMAPI_F_EC_KEY_SET_ECCREFPUBLICKEY, ERR_R_BN_LIB);
goto end;
}