OPENSSL_assert(l <= sizeof c->iv);
int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)	{	int i=0,l;	if (type != NULL) 		{		l=EVP_CIPHER_CTX_iv_length(c);		i=ASN1_TYPE_get_octetstring(type,c->oiv,l);		if (i != l)			return(-1);		else if (i > 0)			memcpy(c->iv,c->oiv,l);		}	return(i);	}