Commit f15c448a authored by Nils Larsch's avatar Nils Larsch
Browse files

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

useful anyway
parent fcb41c0e

crypto/bn/bn.h

+0 −2
Original line number Diff line number Diff line
@@ -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);

crypto/bn/bn_lib.c

+0 −40
Original line number Diff line number Diff line
@@ -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;