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BIGNUM编码的r/s长度不一定等于32，有可能前面会补0 #1577

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BIGNUM编码的r/s长度不一定等于32，有可能前面会补0 #1577

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6 changes: 0 additions & 6 deletions crypto/gmapi/gmapi_sdf_ec.c
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Original file line number Diff line number Diff line change
Expand Up @@ -520,12 +520,6 @@ int ECDSA_SIG_set_ECCSignature(ECDSA_SIG *sig, const ECCSignature *ref)
GMAPIerr(GMAPI_F_ECDSA_SIG_SET_ECCSIGNATURE, ERR_R_BN_LIB);
goto end;
}
/* when using `sm2p256v1`, we need to check (s, r) length correct */
if (BN_num_bytes(r) != 256/8 || BN_num_bytes(s) != 256/8) {
GMAPIerr(GMAPI_F_ECDSA_SIG_SET_ECCSIGNATURE,
GMAPI_R_INVALID_SM2_SIGNATURE);
goto end;
}

/* set return value
* `ECDSA_SIG_set0` should make sure that if failed, do not accept
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