diff options
Diffstat (limited to 'crypto/bn/bn.h')
-rw-r--r-- | crypto/bn/bn.h | 144 |
1 files changed, 91 insertions, 53 deletions
diff --git a/crypto/bn/bn.h b/crypto/bn/bn.h index 1eb8395b25..47e355ea9d 100644 --- a/crypto/bn/bn.h +++ b/crypto/bn/bn.h @@ -75,8 +75,6 @@ extern "C" { #define BN_MUL_COMBA #define BN_SQR_COMBA #define BN_RECURSION -#define RECP_MUL_MOD -#define MONT_MUL_MOD /* This next option uses the C libraries (2 word)/(1 word) function. * If it is not defined, I use my C version (which is slower). @@ -90,6 +88,7 @@ extern "C" { * be on. Again this in only really a problem on machines * using "long long's", are 32bit, and are not using my assembler code. */ #if defined(MSDOS) || defined(WINDOWS) || defined(WIN32) || defined(linux) +#undef BN_DIV2W #define BN_DIV2W #endif @@ -239,7 +238,7 @@ typedef struct bignum_st } BIGNUM; /* Used for temp variables */ -#define BN_CTX_NUM 12 +#define BN_CTX_NUM 20 #define BN_CTX_NUM_POS 12 typedef struct bignum_ctx { @@ -283,9 +282,6 @@ typedef struct bn_recp_ctx_st int flags; } BN_RECP_CTX; -#define BN_to_montgomery(r,a,mont,ctx) BN_mod_mul_montgomery(\ - r,a,&((mont)->RR),(mont),ctx) - #define BN_prime_checks 0 /* default: select number of iterations based on the size of the number */ @@ -308,10 +304,15 @@ typedef struct bn_recp_ctx_st /* b >= 100 */ 27) #define BN_num_bytes(a) ((BN_num_bits(a)+7)/8) -#define BN_is_word(a,w) (((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w))) -#define BN_is_zero(a) (((a)->top == 0) || BN_is_word(a,0)) -#define BN_is_one(a) (BN_is_word((a),1)) -#define BN_is_odd(a) (((a)->top > 0) && ((a)->d[0] & 1)) + +/* Note that BN_abs_is_word does not work reliably for w == 0 */ +#define BN_abs_is_word(a,w) (((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w))) +#define BN_is_zero(a) (((a)->top == 0) || BN_abs_is_word(a,0)) +#define BN_is_one(a) (BN_abs_is_word((a),1) && !(a)->neg) +#define BN_is_word(a,w) ((w) ? BN_abs_is_word((a),(w)) && !(a)->neg : \ + BN_is_zero((a))) +#define BN_is_odd(a) (((a)->top > 0) && ((a)->d[0] & 1)) + #define BN_one(a) (BN_set_word((a),1)) #define BN_zero(a) (BN_set_word((a),0)) @@ -334,44 +335,62 @@ BIGNUM *BN_new(void); void BN_init(BIGNUM *); void BN_clear_free(BIGNUM *a); BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b); +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); -BIGNUM *BN_mpi2bn(unsigned char *s,int len,BIGNUM *ret); +BIGNUM *BN_mpi2bn(const 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, const BIGNUM *a, const BIGNUM *b); -int BN_mod(BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); +int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); +int BN_sqr(BIGNUM *r, const BIGNUM *a,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_CTX *ctx); +#define BN_mod(rem,m,d,ctx) BN_div(NULL,(rem),(m),(d),(ctx)) +int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); +int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m); +int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_sub_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m); +int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, + const BIGNUM *m, BN_CTX *ctx); +int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_lshift1(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m); +int BN_mod_lshift(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m); + BN_ULONG BN_mod_word(const 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); +BN_ULONG BN_get_word(const 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_lshift1(BIGNUM *r, const BIGNUM *a); +int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,BN_CTX *ctx); + +int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m,BN_CTX *ctx); +int BN_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); int BN_mod_exp_mont_word(BIGNUM *r, BN_ULONG 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); + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); +int BN_mod_exp2_mont(BIGNUM *r, const BIGNUM *a1, const BIGNUM *p1, + const BIGNUM *a2, const BIGNUM *p2,const BIGNUM *m, + BN_CTX *ctx,BN_MONT_CTX *m_ctx); +int BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const 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); #ifndef NO_FP_API int BN_print_fp(FILE *fp, const BIGNUM *a); #endif @@ -380,9 +399,9 @@ int BN_print(BIO *fp, const BIGNUM *a); #else int BN_print(void *fp, const BIGNUM *a); #endif -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); +int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx); +int BN_rshift(BIGNUM *r, const BIGNUM *a, int n); +int BN_rshift1(BIGNUM *r, const BIGNUM *a); void BN_clear(BIGNUM *a); BIGNUM *BN_dup(const BIGNUM *a); int BN_ucmp(const BIGNUM *a, const BIGNUM *b); @@ -392,23 +411,31 @@ 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_gcd(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx); +int BN_kronecker(const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx); /* returns -2 for error */ +BIGNUM *BN_mod_inverse(BIGNUM *ret, + const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx); +BIGNUM *BN_mod_sqrt(BIGNUM *ret, + const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx); +BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe, + const BIGNUM *add, const BIGNUM *rem, + void (*callback)(int,int,void *),void *cb_arg); int BN_is_prime(const BIGNUM *p,int nchecks, - void (*callback)(int,int,void *), - BN_CTX *ctx,void *cb_arg); + void (*callback)(int,int,void *), + BN_CTX *ctx,void *cb_arg); int BN_is_prime_fasttest(const BIGNUM *p,int nchecks, - void (*callback)(int,int,void *),BN_CTX *ctx,void *cb_arg, - int do_trial_division); + void (*callback)(int,int,void *),BN_CTX *ctx,void *cb_arg, + int do_trial_division); void ERR_load_BN_strings(void ); 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); +int BN_mod_mul_montgomery(BIGNUM *r,const BIGNUM *a,const BIGNUM *b, + BN_MONT_CTX *mont, BN_CTX *ctx); +#define BN_to_montgomery(r,a,mont,ctx) BN_mod_mul_montgomery(\ + (r),(a),&((mont)->RR),(mont),(ctx)) +int BN_from_montgomery(BIGNUM *r,const 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); @@ -426,12 +453,12 @@ 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_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const 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); + const BIGNUM *m, BN_CTX *ctx); +int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, + BN_RECP_CTX *recp, BN_CTX *ctx); /* library internal functions */ @@ -439,6 +466,7 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, BIGNUM *m, (a):bn_expand2((a),(bits)/BN_BITS2+1)) #define bn_wexpand(a,words) (((words) <= (a)->dmax)?(a):bn_expand2((a),(words))) BIGNUM *bn_expand2(BIGNUM *a, int words); +BIGNUM *bn_dup_expand(const BIGNUM *a, int words); #define bn_fix_top(a) \ { \ @@ -450,15 +478,15 @@ BIGNUM *bn_expand2(BIGNUM *a, int words); } \ } -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_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w); +BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w); +void bn_sqr_words(BN_ULONG *rp, const 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_ULONG bn_add_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,int num); +BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,int num); #ifdef BN_DEBUG - void bn_dump1(FILE *o, const char *a, BN_ULONG *b,int n); +void bn_dump1(FILE *o, const char *a, const BN_ULONG *b,int n); # define bn_print(a) {fprintf(stderr, #a "="); BN_print_fp(stderr,a); \ fprintf(stderr,"\n");} # define bn_dump(a,n) bn_dump1(stderr,#a,a,n); @@ -467,6 +495,8 @@ BN_ULONG bn_sub_words(BN_ULONG *rp, BN_ULONG *ap, BN_ULONG *bp,int num); # define bn_dump(a,b) #endif +int BN_bntest_rand(BIGNUM *rnd, int bits, int top,int bottom); + /* BEGIN ERROR CODES */ /* The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. @@ -485,11 +515,14 @@ BN_ULONG bn_sub_words(BN_ULONG *rp, BN_ULONG *ap, BN_ULONG *bp,int num); #define BN_F_BN_CTX_NEW 106 #define BN_F_BN_DIV 107 #define BN_F_BN_EXPAND2 108 +#define BN_F_BN_EXPAND_INTERNAL 120 #define BN_F_BN_MOD_EXP2_MONT 118 #define BN_F_BN_MOD_EXP_MONT 109 #define BN_F_BN_MOD_EXP_MONT_WORD 117 #define BN_F_BN_MOD_INVERSE 110 +#define BN_F_BN_MOD_LSHIFT_QUICK 119 #define BN_F_BN_MOD_MUL_RECIPROCAL 111 +#define BN_F_BN_MOD_SQRT 121 #define BN_F_BN_MPI2BN 112 #define BN_F_BN_NEW 113 #define BN_F_BN_RAND 114 @@ -498,13 +531,18 @@ BN_ULONG bn_sub_words(BN_ULONG *rp, BN_ULONG *ap, BN_ULONG *bp,int num); /* Reason codes. */ #define BN_R_ARG2_LT_ARG3 100 #define BN_R_BAD_RECIPROCAL 101 +#define BN_R_BIGNUM_TOO_LONG 114 #define BN_R_CALLED_WITH_EVEN_MODULUS 102 #define BN_R_DIV_BY_ZERO 103 #define BN_R_ENCODING_ERROR 104 #define BN_R_EXPAND_ON_STATIC_BIGNUM_DATA 105 +#define BN_R_INPUT_NOT_REDUCED 110 #define BN_R_INVALID_LENGTH 106 +#define BN_R_NOT_A_SQUARE 111 #define BN_R_NOT_INITIALIZED 107 #define BN_R_NO_INVERSE 108 +#define BN_R_P_IS_NOT_PRIME 112 +#define BN_R_TOO_MANY_ITERATIONS 113 #define BN_R_TOO_MANY_TEMPORARY_VARIABLES 109 #ifdef __cplusplus |