diff options
author | Ulf Möller <ulf@openssl.org> | 2000-01-22 20:05:23 +0000 |
---|---|---|
committer | Ulf Möller <ulf@openssl.org> | 2000-01-22 20:05:23 +0000 |
commit | 4486d0cd7a715aed7ca3728aa24413d91666bb68 (patch) | |
tree | 36342c32d8bd73c31ea5e3d33e9ee7796bab873c /doc/crypto/bn.pod | |
parent | 09483c58e3b21841d2761ce90b1f12b24f814881 (diff) |
Document the DH library, and make some minor changes along the way.
Diffstat (limited to 'doc/crypto/bn.pod')
-rw-r--r-- | doc/crypto/bn.pod | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/doc/crypto/bn.pod b/doc/crypto/bn.pod new file mode 100644 index 0000000000..fbd674dd5e --- /dev/null +++ b/doc/crypto/bn.pod @@ -0,0 +1,138 @@ +=pod + +=head1 NAME + +bn - Multiprecision integer arithmetics + +=head1 SYNOPSIS + + #include <openssl/bn.h> + + #define BN_prime_checks(b) + #define BN_num_bytes(a) + #define BN_is_word(a,w) + #define BN_is_zero(a) + #define BN_is_one(a) + #define BN_is_odd(a) + #define BN_one(a) + #define BN_zero(a) + + #define bn_expand(n,b) + #define bn_wexpand(n,b) + + #define bn_fix_top(a) + + BIGNUM *BN_value_one(void); + char * BN_options(void); + BN_CTX *BN_CTX_new(void); + void BN_CTX_init(BN_CTX *c); + void BN_CTX_free(BN_CTX *c); + int BN_rand(BIGNUM *rnd, int bits, int top,int bottom); + int BN_num_bits(const BIGNUM *a); + int BN_num_bits_word(BN_ULONG); + BIGNUM *BN_new(void); + void BN_init(BIGNUM *); + void BN_clear_free(BIGNUM *a); + BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b); + BIGNUM *BN_bin2bn(const unsigned char *s,int len,BIGNUM *ret); + int BN_bn2bin(const BIGNUM *a, unsigned char *to); + BIGNUM *BN_mpi2bn(unsigned char *s,int len,BIGNUM *ret); + int BN_bn2mpi(const BIGNUM *a, unsigned char *to); + int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); + int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); + int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); + int BN_add(BIGNUM *r, BIGNUM *a, BIGNUM *b); + int BN_mod(BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); + int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, + BN_CTX *ctx); + int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b,BN_CTX *ctx); + int BN_sqr(BIGNUM *r, BIGNUM *a,BN_CTX *ctx); + BN_ULONG BN_mod_word(BIGNUM *a, BN_ULONG w); + BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w); + int BN_mul_word(BIGNUM *a, BN_ULONG w); + int BN_add_word(BIGNUM *a, BN_ULONG w); + int BN_sub_word(BIGNUM *a, BN_ULONG w); + int BN_set_word(BIGNUM *a, BN_ULONG w); + BN_ULONG BN_get_word(BIGNUM *a); + int BN_cmp(const BIGNUM *a, const BIGNUM *b); + void BN_free(BIGNUM *a); + int BN_is_bit_set(const BIGNUM *a, int n); + int BN_lshift(BIGNUM *r, const BIGNUM *a, int n); + int BN_lshift1(BIGNUM *r, BIGNUM *a); + int BN_exp(BIGNUM *r, BIGNUM *a, BIGNUM *p,BN_CTX *ctx); + int BN_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p, + const BIGNUM *m,BN_CTX *ctx); + int BN_mod_exp_mont(BIGNUM *r, BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); + int BN_mod_exp2_mont(BIGNUM *r, BIGNUM *a1, BIGNUM *p1,BIGNUM *a2, + BIGNUM *p2,BIGNUM *m,BN_CTX *ctx,BN_MONT_CTX *m_ctx); + int BN_mod_exp_simple(BIGNUM *r, BIGNUM *a, BIGNUM *p, + BIGNUM *m,BN_CTX *ctx); + int BN_mask_bits(BIGNUM *a,int n); + int BN_mod_mul(BIGNUM *ret, BIGNUM *a, BIGNUM *b, const BIGNUM *m, BN_CTX *ctx); + int BN_print_fp(FILE *fp, BIGNUM *a); + int BN_print(BIO *fp, const BIGNUM *a); + int BN_reciprocal(BIGNUM *r, BIGNUM *m, int len, BN_CTX *ctx); + int BN_rshift(BIGNUM *r, BIGNUM *a, int n); + int BN_rshift1(BIGNUM *r, BIGNUM *a); + void BN_clear(BIGNUM *a); + BIGNUM *bn_expand2(BIGNUM *b, int bits); + BIGNUM *BN_dup(const BIGNUM *a); + int BN_ucmp(const BIGNUM *a, const BIGNUM *b); + int BN_set_bit(BIGNUM *a, int n); + int BN_clear_bit(BIGNUM *a, int n); + char * BN_bn2hex(const BIGNUM *a); + char * BN_bn2dec(const BIGNUM *a); + int BN_hex2bn(BIGNUM **a, const char *str); + int BN_dec2bn(BIGNUM **a, const char *str); + int BN_gcd(BIGNUM *r,BIGNUM *in_a,BIGNUM *in_b,BN_CTX *ctx); + BIGNUM *BN_mod_inverse(BIGNUM *ret,BIGNUM *a, const BIGNUM *n,BN_CTX *ctx); + BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe,BIGNUM *add, + BIGNUM *rem,void (*callback)(int,int,void *),void *cb_arg); + int BN_is_prime(BIGNUM *p,int nchecks,void (*callback)(int,int,void *), + BN_CTX *ctx,void *cb_arg); + void ERR_load_BN_strings(void ); + + BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w); + BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w); + void bn_sqr_words(BN_ULONG *rp, BN_ULONG *ap, int num); + BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d); + BN_ULONG bn_add_words(BN_ULONG *rp, BN_ULONG *ap, BN_ULONG *bp,int num); + BN_ULONG bn_sub_words(BN_ULONG *rp, BN_ULONG *ap, BN_ULONG *bp,int num); + + BN_MONT_CTX *BN_MONT_CTX_new(void ); + void BN_MONT_CTX_init(BN_MONT_CTX *ctx); + int BN_mod_mul_montgomery(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_MONT_CTX *mont, + BN_CTX *ctx); + int BN_from_montgomery(BIGNUM *r,BIGNUM *a,BN_MONT_CTX *mont,BN_CTX *ctx); + void BN_MONT_CTX_free(BN_MONT_CTX *mont); + int BN_MONT_CTX_set(BN_MONT_CTX *mont,const BIGNUM *modulus,BN_CTX *ctx); + BN_MONT_CTX *BN_MONT_CTX_copy(BN_MONT_CTX *to,BN_MONT_CTX *from); + + BN_BLINDING *BN_BLINDING_new(BIGNUM *A,BIGNUM *Ai,BIGNUM *mod); + void BN_BLINDING_free(BN_BLINDING *b); + int BN_BLINDING_update(BN_BLINDING *b,BN_CTX *ctx); + int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *r, BN_CTX *ctx); + int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx); + + void BN_set_params(int mul,int high,int low,int mont); + int BN_get_params(int which); + + void BN_RECP_CTX_init(BN_RECP_CTX *recp); + BN_RECP_CTX *BN_RECP_CTX_new(void); + void BN_RECP_CTX_free(BN_RECP_CTX *recp); + int BN_RECP_CTX_set(BN_RECP_CTX *recp,const BIGNUM *rdiv,BN_CTX *ctx); + int BN_mod_mul_reciprocal(BIGNUM *r, BIGNUM *x, BIGNUM *y, + BN_RECP_CTX *recp,BN_CTX *ctx); + int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx); + int BN_div_recp(BIGNUM *dv, BIGNUM *rem, BIGNUM *m, + BN_RECP_CTX *recp, BN_CTX *ctx); + +=head1 DESCRIPTION + +=head1 SEE ALSO + +err(3), rand(3) + +=cut |