unsigned long BN_get_word(BIGNUM *a);
int BN_rand(BIGNUM *rnd, int bits, int top,int bottom);
+ int BN_pseudo_rand(BIGNUM *rnd, int bits, int top,int bottom);
BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe,BIGNUM *add,
BIGNUM *rem,void (*callback)(int,int,void *),void *cb_arg);
int BN_hex2bn(BIGNUM **a, const char *str);
int BN_dec2bn(BIGNUM **a, const char *str);
int BN_print(BIO *fp, const BIGNUM *a);
- int BN_print_fp(FILE *fp, BIGNUM *a);
+ int BN_print_fp(FILE *fp, const BIGNUM *a);
int BN_bn2mpi(const BIGNUM *a, unsigned char *to);
BIGNUM *BN_mpi2bn(unsigned char *s, int len, BIGNUM *ret);
single large integer. This type should be considered opaque and fields
should not be modified or accessed directly.
-The creation of B<BIGNUM> objects is described in L<BN_new(3)>;
-L<BN_add(3)> describes most of the arithmetic operations.
-Comparision is described in L<BN_cmp(3)>; L<BN_zero(3)> describes
-certain assignments, L<BN_rand(3)> the generation of random numbers,
-L<BN_generate_prime(3)> deals with prime numbers and L<BN_set_bit(3)>
-with bit operations. The conversion of B<BIGNUM>s to external
-formats is described in L<BN_bn2bin(3)>.
+The creation of B<BIGNUM> objects is described in L<BN_new(3)|BN_new(3)>;
+L<BN_add(3)|BN_add(3)> describes most of the arithmetic operations.
+Comparison is described in L<BN_cmp(3)|BN_cmp(3)>; L<BN_zero(3)|BN_zero(3)>
+describes certain assignments, L<BN_rand(3)|BN_rand(3)> the generation of
+random numbers, L<BN_generate_prime(3)|BN_generate_prime(3)> deals with prime
+numbers and L<BN_set_bit(3)|BN_set_bit(3)> with bit operations. The conversion
+of B<BIGNUM>s to external formats is described in L<BN_bn2bin(3)|BN_bn2bin(3)>.
=head1 INTERNALS
int neg;
} BIGNUM;
-The big number is stored in B<d>, a malloc()ed array of B<BN_ULONG>s.
-A B<BN_ULONG> can be either 16, 32 or 64 bits in size, depending on
-the 'number of bits' specified in bn.h.
+The big number is stored in B<d>, a malloc()ed array of B<BN_ULONG>s,
+least significant first. A B<BN_ULONG> can be either 16, 32 or 64 bits
+in size, depending on the 'number of bits' specified in bn.h.
B<max> is the size of the B<d> array that has been allocated. B<top>
is the 'last' entry being used, so for a value of 4, bn.d[0]=4 and
bn.top=1. B<neg> is 1 if the number is negative. When a BIGNUM is
-'0', the B<d> field can be NULL and B<top> == 0. Various routines in
+'0', the B<d> field can be NULL and B<top> == 0. Various routines in
this library require the use of temporary B<BIGNUM> variables during
their execution. Since dynamic memory allocation to create B<BIGNUM>s
is rather expensive when used in conjunction with repeated subroutine
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.
+
=head1 SEE ALSO
-dh(3), err(3), rand(3), rsa(3), BN_new(3), BN_CTX_new(3), BN_copy(3),
-BN_num_bytes(3), BN_add(3), BN_add_word(3), BN_cmp(3), BN_zero(3),
-BN_rand(3), BN_generate_prime(3), BN_set_bit(3), BN_bn2bin(3),
-BN_mod_inverse(3), BN_mod_mul_reciprocal(3), BN_mod_mul_montgomery(3)
+L<dh(3)|dh(3)>, L<err(3)|err(3)>, L<rand(3)|rand(3)>, L<rsa(3)|rsa(3)>,
+L<BN_new(3)|BN_new(3)>, L<BN_CTX_new(3)|BN_CTX_new(3)>,
+L<BN_copy(3)|BN_copy(3)>, L<BN_num_bytes(3)|BN_num_bytes(3)>,
+L<BN_add(3)|BN_add(3)>, L<BN_add_word(3)|BN_add_word(3)>,
+L<BN_cmp(3)|BN_cmp(3)>, L<BN_zero(3)|BN_zero(3)>, L<BN_rand(3)|BN_rand(3)>,
+L<BN_generate_prime(3)|BN_generate_prime(3)>, L<BN_set_bit(3)|BN_set_bit(3)>,
+L<BN_bn2bin(3)|BN_bn2bin(3)>, L<BN_mod_inverse(3)|BN_mod_inverse(3)>,
+L<BN_mod_mul_reciprocal(3)|BN_mod_mul_reciprocal(3)>,
+L<BN_mod_mul_montgomery(3)|BN_mod_mul_montgomery(3)>
=cut
projects / openssl.git / blobdiff