if ((p = buf_get(b, sz)) == 0) {
a_warn("CHAL", "invalid-challenge", A_END);
goto fail;
}
IF_TRACING(T_CHAL, trace_block(T_CRYPTO, "chal: check challenge", p, sz); )
if ((p = buf_get(b, sz)) == 0) {
a_warn("CHAL", "invalid-challenge", A_END);
goto fail;
}
IF_TRACING(T_CHAL, trace_block(T_CRYPTO, "chal: check challenge", p, sz); )