1/* crypto/engine/hw_ubsec.c */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2000.
4 *
5 * Cloned shamelessly by Joe Tardo.
6 */
7/* ====================================================================
8 * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.

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626 }
627#endif
628
629static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
630 const BIGNUM *q, const BIGNUM *dp,
631 const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
632 {
633 int y_len,
634 fd;
635
636 y_len = BN_num_bits(p) + BN_num_bits(q);
637
638 /* Check if hardware can't handle this argument. */
639 if (y_len > max_key_len) {
640 UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
641 return FAIL_TO_SOFTWARE;
642 }
643

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