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The BN_mul bug test apparently is no longer needed

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This commit is contained in:
Bodo Möller 2000-12-14 17:46:36 +00:00
parent 5a4fbc69c3
commit 3b28dbce7e
1 changed files with 0 additions and 37 deletions
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37
crypto/bn/bn_recp.c
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@ -223,43 +223,6 @@ int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx)
if (!BN_div(r,NULL,&t,m,ctx)) goto err;
#if 1
{
BIGNUM v;
BN_init(&v);
BN_mul(&v,r,m,ctx);
if (BN_num_bits(&v) > BN_num_bits(r) + BN_num_bits(m))
{
fprintf(stderr,"bn_recp.c: BN_mul does not work\n");
fprintf(stderr,"r =");
BN_print_fp(stderr,r);
fprintf(stderr,"\nm =");
BN_print_fp(stderr,m);
fprintf(stderr,"\nr*m =");
BN_print_fp(stderr,&v);
fprintf(stderr,"\n");
abort();
/* Example output (Linux x86):
bn_recp.c: BN_mul does not work
r =11F5575B94E4AA12CA5D2B7A3DDC5E1A68C77758A941F3C50749D2BB2C65F8D2424E23642AC2CEEFE520FE594626AF7440772AD8C2F3801925E13B11B4398A51A
m =E415484B146C8AC93EE7B5CAA1C0B0182324E60263BE95C3E26542CD3ADF818D92DD52C073E2B38AEEA5F6C926D2D3D53D7190461D3DF62A20449B5BEAF4F74D
r*m =1B96E67C0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001B96E67AB2626FFC8A5076B1BE234C8A69F72D9D73A71EDB1649209D42FA20ACA2FAE36B481D9C6F2FE021A437FD81ABB62B5F13E8DEB58366ACEE8493B4F610BCFDBED2
The result should be
r*m =FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFB2626FFC8A5076B1BE234C8A69F72D9D73A71EDB1649209D42FA20ACA2FAE36B481D9C6F2FE021A437FD81ABB62B5F13E8DEB58366ACEE8493B4F610BCFDBED2
(according to GNU bc).
*/
}
BN_free(&v);
}
#endif
ret=len;
err:
BN_free(&t);