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remove BN_ncopy, it was only used in bn_nist.c and wasn't particular

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useful anyway
This commit is contained in:
Nils Larsch 2005-05-03 20:27:00 +00:00
parent fcb41c0ee8
commit f15c448a72
2 changed files with 0 additions and 42 deletions
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2
crypto/bn/bn.h
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@ -390,8 +390,6 @@ BIGNUM *BN_new(void);
void BN_init(BIGNUM *);
void BN_clear_free(BIGNUM *a);
BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b);
/* BN_ncopy(): like BN_copy() but copies at most the first n BN_ULONGs */
BIGNUM *BN_ncopy(BIGNUM *a, const BIGNUM *b, size_t n);
void BN_swap(BIGNUM *a, BIGNUM *b);
BIGNUM *BN_bin2bn(const unsigned char *s,int len,BIGNUM *ret);
int BN_bn2bin(const BIGNUM *a, unsigned char *to);

40
crypto/bn/bn_lib.c
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@ -531,46 +531,6 @@ BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
return(a);
}
BIGNUM *BN_ncopy(BIGNUM *a, const BIGNUM *b, size_t n)
{
int i, min;
BN_ULONG *A;
const BN_ULONG *B;
bn_check_top(b);
if (a == b)
return a;
min = (b->top < (int)n)? b->top: (int)n;
if (!min)
{
BN_zero(a);
return a;
}
if (bn_wexpand(a, min) == NULL)
return NULL;
A=a->d;
B=b->d;
for (i=min>>2; i>0; i--, A+=4, B+=4)
{
BN_ULONG a0,a1,a2,a3;
a0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];
A[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;
}
switch (min&3)
{
case 3: A[2]=B[2];
case 2: A[1]=B[1];
case 1: A[0]=B[0];
case 0: ;
}
a->top = min;
a->neg = b->neg;
bn_correct_top(a);
return(a);
}
void BN_swap(BIGNUM *a, BIGNUM *b)
{
int flags_old_a, flags_old_b;