rsassa_pkcs1_v1_5_sign
ATTRIBUTE_WARN_UNUSED_RET int rsassa_pkcs1_v1_5_sign(const rsa_priv_key *priv, const u8 *m, u32 mlen,
ret = rsassa_pkcs1_v1_5_sign(&priv, t->m, t->mlen, sig, &siglen, modbits, t->hash); EG(ret, err1);