* BN_DEBUG - turn on various debugging alterations to the bignum code
* BN_DEBUG_RAND - uses random poisoning of unused words to trip up
* mismanagement of bignum internals. You must also define BN_DEBUG.
- * BN_STRICT - disables anything (not already caught by BN_DEBUG) that uses the
- * old ambiguity over zero representation. At some point, this behaviour should
- * become standard.
*/
/* #define BN_DEBUG */
/* #define BN_DEBUG_RAND */
-/* #define BN_STRICT */
-
-#ifdef OPENSSL_SYS_VMS
-#undef BN_LLONG /* experimental, so far... */
-#endif
+#ifndef OPENSSL_SMALL_FOOTPRINT
#define BN_MUL_COMBA
#define BN_SQR_COMBA
#define BN_RECURSION
+#endif
/* 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).
#define BN_DEC_FMT1 "%lu"
#define BN_DEC_FMT2 "%019lu"
#define BN_DEC_NUM 19
+#define BN_HEX_FMT1 "%lX"
+#define BN_HEX_FMT2 "%016lX"
#endif
/* This is where the long long data type is 64 bits, but long is 32.
#define BN_DEC_FMT1 "%llu"
#define BN_DEC_FMT2 "%019llu"
#define BN_DEC_NUM 19
+#define BN_HEX_FMT1 "%llX"
+#define BN_HEX_FMT2 "%016llX"
#endif
#ifdef THIRTY_TWO_BIT
-#if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__)
-#define BN_ULLONG unsigned _int64
-#else
-#define BN_ULLONG unsigned long long
+#ifdef BN_LLONG
+# if defined(_WIN32) && !defined(__GNUC__)
+# define BN_ULLONG unsigned __int64
+# define BN_MASK (0xffffffffffffffffI64)
+# else
+# define BN_ULLONG unsigned long long
+# define BN_MASK (0xffffffffffffffffLL)
+# endif
#endif
-#define BN_ULONG unsigned long
-#define BN_LONG long
+#define BN_ULONG unsigned int
+#define BN_LONG int
#define BN_BITS 64
#define BN_BYTES 4
#define BN_BITS2 32
#define BN_BITS4 16
-#ifdef OPENSSL_SYS_WIN32
-/* VC++ doesn't like the LL suffix */
-#define BN_MASK (0xffffffffffffffffL)
-#else
-#define BN_MASK (0xffffffffffffffffLL)
-#endif
#define BN_MASK2 (0xffffffffL)
#define BN_MASK2l (0xffff)
#define BN_MASK2h1 (0xffff8000L)
#define BN_MASK2h (0xffff0000L)
#define BN_TBIT (0x80000000L)
#define BN_DEC_CONV (1000000000L)
-#define BN_DEC_FMT1 "%lu"
-#define BN_DEC_FMT2 "%09lu"
-#define BN_DEC_NUM 9
-#endif
-
-#ifdef SIXTEEN_BIT
-#ifndef BN_DIV2W
-#define BN_DIV2W
-#endif
-#define BN_ULLONG unsigned long
-#define BN_ULONG unsigned short
-#define BN_LONG short
-#define BN_BITS 32
-#define BN_BYTES 2
-#define BN_BITS2 16
-#define BN_BITS4 8
-#define BN_MASK (0xffffffff)
-#define BN_MASK2 (0xffff)
-#define BN_MASK2l (0xff)
-#define BN_MASK2h1 (0xff80)
-#define BN_MASK2h (0xff00)
-#define BN_TBIT (0x8000)
-#define BN_DEC_CONV (100000)
#define BN_DEC_FMT1 "%u"
-#define BN_DEC_FMT2 "%05u"
-#define BN_DEC_NUM 5
-#endif
-
-#ifdef EIGHT_BIT
-#ifndef BN_DIV2W
-#define BN_DIV2W
-#endif
-#define BN_ULLONG unsigned short
-#define BN_ULONG unsigned char
-#define BN_LONG char
-#define BN_BITS 16
-#define BN_BYTES 1
-#define BN_BITS2 8
-#define BN_BITS4 4
-#define BN_MASK (0xffff)
-#define BN_MASK2 (0xff)
-#define BN_MASK2l (0xf)
-#define BN_MASK2h1 (0xf8)
-#define BN_MASK2h (0xf0)
-#define BN_TBIT (0x80)
-#define BN_DEC_CONV (100)
-#define BN_DEC_FMT1 "%u"
-#define BN_DEC_FMT2 "%02u"
-#define BN_DEC_NUM 2
+#define BN_DEC_FMT2 "%09u"
+#define BN_DEC_NUM 9
+#define BN_HEX_FMT1 "%X"
+#define BN_HEX_FMT2 "%08X"
#endif
#define BN_DEFAULT_BITS 1280
#define BN_FLG_MALLOCED 0x01
#define BN_FLG_STATIC_DATA 0x02
+#define BN_FLG_EXP_CONSTTIME 0x04 /* avoid leaking exponent information through timings
+ * (BN_mod_exp_mont() will call BN_mod_exp_mont_consttime) */
#ifndef OPENSSL_NO_DEPRECATED
#define BN_FLG_FREE 0x8000 /* used for debuging */
#endif
#define BN_set_flags(b,n) ((b)->flags|=(n))
#define BN_get_flags(b,n) ((b)->flags&(n))
+/* get a clone of a BIGNUM with changed flags, for *temporary* use only
+ * (the two BIGNUMs cannot not be used in parallel!) */
+#define BN_with_flags(dest,b,n) ((dest)->d=(b)->d, \
+ (dest)->top=(b)->top, \
+ (dest)->dmax=(b)->dmax, \
+ (dest)->neg=(b)->neg, \
+ (dest)->flags=(((dest)->flags & BN_FLG_MALLOCED) \
+ | ((b)->flags & ~BN_FLG_MALLOCED) \
+ | BN_FLG_STATIC_DATA \
+ | (n)))
+
/* Already declared in ossl_typ.h */
#if 0
typedef struct bignum_st BIGNUM;
int flags;
};
-struct bn_blinding_st
- {
- int init;
- BIGNUM *A;
- BIGNUM *Ai;
- BIGNUM *mod; /* just a reference */
- unsigned long thread_id; /* added in OpenSSL 0.9.6j and 0.9.7b;
- * used only by crypto/rsa/rsa_eay.c, rsa_lib.c */
- };
-
/* Used for montgomery multiplication */
struct bn_mont_ctx_st
{
BIGNUM N; /* The modulus */
BIGNUM Ni; /* R*(1/R mod N) - N*Ni = 1
* (Ni is only stored for bignum algorithm) */
- BN_ULONG n0; /* least significant word of Ni */
+ BN_ULONG n0[2];/* least significant word(s) of Ni */
int flags;
};
/* Note that BN_abs_is_word didn't work reliably for w == 0 until 0.9.8 */
#define BN_abs_is_word(a,w) ((((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w))) || \
(((w) == 0) && ((a)->top == 0)))
-#ifdef BN_STRICT
#define BN_is_zero(a) ((a)->top == 0)
-#else
-#define BN_is_zero(a) BN_abs_is_word(a,0)
-#endif
#define BN_is_one(a) (BN_abs_is_word((a),1) && !(a)->neg)
#define BN_is_word(a,w) (BN_abs_is_word((a),(w)) && (!(w) || !(a)->neg))
#define BN_is_odd(a) (((a)->top > 0) && ((a)->d[0] & 1))
#else
#define BN_zero(a) (BN_set_word((a),0))
#endif
-/* BN_set_sign(BIGNUM *, int) sets the sign of a BIGNUM
- * (0 for a non-negative value, 1 for negative) */
-#define BN_set_sign(a,b) ((a)->neg = (b))
-/* BN_get_sign(BIGNUM *) returns the sign of the BIGNUM */
-#define BN_get_sign(a) ((a)->neg)
-
-/*#define BN_ascii2bn(a) BN_hex2bn(a) */
-/*#define BN_bn2ascii(a) BN_bn2hex(a) */
const BIGNUM *BN_value_one(void);
char * BN_options(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);
int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
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);
+/** BN_set_negative sets sign of a BIGNUM
+ * \param b pointer to the BIGNUM object
+ * \param n 0 if the BIGNUM b should be positive and a value != 0 otherwise
+ */
+void BN_set_negative(BIGNUM *b, int n);
+/** BN_is_negative returns 1 if the BIGNUM is negative
+ * \param a pointer to the BIGNUM object
+ * \return 1 if a < 0 and 0 otherwise
+ */
+#define BN_is_negative(a) ((a)->neg != 0)
int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d,
BN_CTX *ctx);
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_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont);
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, const BIGNUM *a1, const BIGNUM *p1,
char * BN_bn2dec(const BIGNUM *a);
int BN_hex2bn(BIGNUM **a, const char *str);
int BN_dec2bn(BIGNUM **a, const char *str);
+int BN_asc2bn(BIGNUM **a, const char *str);
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,
void BN_MONT_CTX_free(BN_MONT_CTX *mont);
int BN_MONT_CTX_set(BN_MONT_CTX *mont,const BIGNUM *mod,BN_CTX *ctx);
BN_MONT_CTX *BN_MONT_CTX_copy(BN_MONT_CTX *to,BN_MONT_CTX *from);
+BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,
+ const BIGNUM *mod, BN_CTX *ctx);
-BN_BLINDING *BN_BLINDING_new(BIGNUM *A,BIGNUM *Ai,BIGNUM *mod);
+/* BN_BLINDING flags */
+#define BN_BLINDING_NO_UPDATE 0x00000001
+#define BN_BLINDING_NO_RECREATE 0x00000002
+
+BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const 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_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
+int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *);
+int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *);
+unsigned long BN_BLINDING_get_thread_id(const BN_BLINDING *);
+void BN_BLINDING_set_thread_id(BN_BLINDING *, unsigned long);
+unsigned long BN_BLINDING_get_flags(const BN_BLINDING *);
+void BN_BLINDING_set_flags(BN_BLINDING *, unsigned long);
+BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
+ const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,
+ int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx),
+ BN_MONT_CTX *m_ctx);
#ifndef OPENSSL_NO_DEPRECATED
void BN_set_params(int mul,int high,int low,int mont);
#define bn_check_top(a) \
do { \
const BIGNUM *_bnum2 = (a); \
- assert((_bnum2->top == 0) || \
+ if (_bnum2 != NULL) { \
+ assert((_bnum2->top == 0) || \
(_bnum2->d[_bnum2->top - 1] != 0)); \
- bn_pollute(_bnum2); \
+ bn_pollute(_bnum2); \
+ } \
} while(0)
#define bn_fix_top(a) bn_check_top(a)
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);
+/* Primes from RFC 2409 */
+BIGNUM *get_rfc2409_prime_768(BIGNUM *bn);
+BIGNUM *get_rfc2409_prime_1024(BIGNUM *bn);
+
+/* Primes from RFC 3526 */
+BIGNUM *get_rfc3526_prime_1536(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_2048(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_3072(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_4096(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_6144(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_8192(BIGNUM *bn);
+
int BN_bntest_rand(BIGNUM *rnd, int bits, int top,int bottom);
/* BEGIN ERROR CODES */
/* Error codes for the BN functions. */
/* Function codes. */
-#define BN_F_BN_BLINDING_CONVERT 100
-#define BN_F_BN_BLINDING_INVERT 101
+#define BN_F_BNRAND 127
+#define BN_F_BN_BLINDING_CONVERT_EX 100
+#define BN_F_BN_BLINDING_CREATE_PARAM 128
+#define BN_F_BN_BLINDING_INVERT_EX 101
#define BN_F_BN_BLINDING_NEW 102
#define BN_F_BN_BLINDING_UPDATE 103
#define BN_F_BN_BN2DEC 104
#define BN_F_BN_BN2HEX 105
#define BN_F_BN_CTX_GET 116
#define BN_F_BN_CTX_NEW 106
+#define BN_F_BN_CTX_START 129
#define BN_F_BN_DIV 107
+#define BN_F_BN_DIV_RECP 130
+#define BN_F_BN_EXP 123
#define BN_F_BN_EXPAND2 108
#define BN_F_BN_EXPAND_INTERNAL 120
-#define BN_F_BN_GF2M_MOD 126
-#define BN_F_BN_GF2M_MOD_DIV 123
-#define BN_F_BN_GF2M_MOD_EXP 127
-#define BN_F_BN_GF2M_MOD_MUL 124
-#define BN_F_BN_GF2M_MOD_SOLVE_QUAD 128
-#define BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR 129
-#define BN_F_BN_GF2M_MOD_SQR 125
+#define BN_F_BN_GF2M_MOD 131
+#define BN_F_BN_GF2M_MOD_EXP 132
+#define BN_F_BN_GF2M_MOD_MUL 133
+#define BN_F_BN_GF2M_MOD_SOLVE_QUAD 134
+#define BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR 135
+#define BN_F_BN_GF2M_MOD_SQR 136
+#define BN_F_BN_GF2M_MOD_SQRT 137
#define BN_F_BN_MOD_EXP2_MONT 118
#define BN_F_BN_MOD_EXP_MONT 109
+#define BN_F_BN_MOD_EXP_MONT_CONSTTIME 124
#define BN_F_BN_MOD_EXP_MONT_WORD 117
+#define BN_F_BN_MOD_EXP_RECP 125
+#define BN_F_BN_MOD_EXP_SIMPLE 126
#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_R_INVALID_LENGTH 106
#define BN_R_INVALID_RANGE 115
#define BN_R_NOT_A_SQUARE 111
-#define BN_R_NOT_IMPLEMENTED 116
#define BN_R_NOT_INITIALIZED 107
#define BN_R_NO_INVERSE 108
+#define BN_R_NO_SOLUTION 116
#define BN_R_P_IS_NOT_PRIME 112
#define BN_R_TOO_MANY_ITERATIONS 113
#define BN_R_TOO_MANY_TEMPORARY_VARIABLES 109
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