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remove obsolete BN_CTX info

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This commit is contained in:
Ulf Möller 2000-02-27 12:30:07 +00:00
parent 981cdfab86
commit 47f87f536a
1 changed files with 2 additions and 12 deletions
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14
doc/crypto/bn_internal.pod
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@ -92,18 +92,8 @@ Various routines in this library require the use of temporary
B<BIGNUM> variables during their execution. Since dynamic memory B<BIGNUM> variables during their execution. Since dynamic memory
allocation to create B<BIGNUM>s is rather expensive when used in allocation to create B<BIGNUM>s is rather expensive when used in
conjunction with repeated subroutine calls, the B<BN_CTX> structure is conjunction with repeated subroutine calls, the B<BN_CTX> structure is
used. This structure contains B<BN_CTX_NUM> B<BIGNUM>s. used. This structure contains B<BN_CTX_NUM> B<BIGNUM>s, see
B<BN_CTX_NUM> is the maximum number of temporary B<BIGNUM>s any L<BN_CTX_start(3)|BN_CTX_start(3)>.
publicly exported function will use.
#define BN_CTX_NUM 12
typedef struct bignum_ctx
{
int tos; /* top of stack */
BIGNUM *bn[BN_CTX_NUM]; /* The variables */
} BN_CTX;
B<tos> is the index of the first unused B<BIGNUM> in the B<bn> array.
=head2 Low-level arithmetic operations =head2 Low-level arithmetic operations