diff options
| author | Joel Sing <jsing@cvs.openbsd.org> | 2023-03-07 06:05:07 +0000 |
|---|---|---|
| committer | Joel Sing <jsing@cvs.openbsd.org> | 2023-03-07 06:05:07 +0000 |
| commit | bcbd2e97dff580c9ac4c0ddcd7e7b856a37e78b1 (patch) | |
| tree | da7be4c838cd04deb00d12e8776165567707aa35 /lib | |
| parent | ff90bfe88f5842b44ddffe6e72d5d891e4418503 (diff) | |
Delete unused and unsafe bn_mul_mont() example code.
This came from bn_asm.c and did not even compile until recently.
ok beck@ tb@
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libcrypto/bn/bn_mont.c | 55 |
1 files changed, 1 insertions, 54 deletions
diff --git a/lib/libcrypto/bn/bn_mont.c b/lib/libcrypto/bn/bn_mont.c index 15c9c4a00e1..5dcd548f85d 100644 --- a/lib/libcrypto/bn/bn_mont.c +++ b/lib/libcrypto/bn/bn_mont.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bn_mont.c,v 1.47 2023/02/28 12:29:57 jsing Exp $ */ +/* $OpenBSD: bn_mont.c,v 1.48 2023/03/07 06:05:06 jsing Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -303,59 +303,6 @@ BN_MONT_CTX_set_locked(BN_MONT_CTX **pmctx, int lock, const BIGNUM *mod, return mctx; } -#ifdef OPENSSL_NO_ASM -#ifdef OPENSSL_BN_ASM_MONT -int -bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, - const BN_ULONG *np, const BN_ULONG *n0p, int num) -{ - BN_ULONG c0, c1, *tp, n0 = *n0p; - int i = 0, j; - - tp = calloc(num + 2, sizeof(BN_ULONG)); - if (tp == NULL) - return 0; - - for (i = 0; i < num; i++) { - c0 = bn_mul_add_words(tp, ap, num, bp[i]); - c1 = (tp[num] + c0) & BN_MASK2; - tp[num] = c1; - tp[num + 1] = (c1 < c0 ? 1 : 0); - - c0 = bn_mul_add_words(tp, np, num, tp[0] * n0); - c1 = (tp[num] + c0) & BN_MASK2; - tp[num] = c1; - tp[num + 1] += (c1 < c0 ? 1 : 0); - for (j = 0; j <= num; j++) - tp[j] = tp[j + 1]; - } - - if (tp[num] != 0 || tp[num - 1] >= np[num - 1]) { - c0 = bn_sub_words(rp, tp, np, num); - if (tp[num] != 0 || c0 == 0) { - goto out; - } - } - memcpy(rp, tp, num * sizeof(BN_ULONG)); -out: - freezero(tp, (num + 2) * sizeof(BN_ULONG)); - return 1; -} -#else /* !OPENSSL_BN_ASM_MONT */ -int -bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, - const BN_ULONG *np, const BN_ULONG *n0, int num) -{ - /* - * Return value of 0 indicates that multiplication/convolution was not - * performed to signal the caller to fall down to alternative/original - * code-path. - */ - return 0; -} -#endif /* !OPENSSL_BN_ASM_MONT */ -#endif /* OPENSSL_NO_ASM */ - static int bn_montgomery_reduce(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mctx); int |