ber_decode_SEQUENCE
rc = ber_decode_SEQUENCE(rsa_priv_key, &buf, &buf_len, &field_len);
rc = ber_decode_SEQUENCE(data, &buf, &buf_len, &field_len);
rc = ber_decode_SEQUENCE(buf + offset, &alg, &len, &field_len);
CK_RV ber_decode_SEQUENCE(CK_BYTE *,