Add file which includes new ASN1 NETSCAPE format for certificates.

[openssl.git] / crypto / bn / bn.h

diff --git a/crypto/bn/bn.h b/crypto/bn/bn.h
index 99faf8f07e0d820ac8d42065d503747bf542f694..670584ad74a7cbe683c0df7d8045dad624ae0722 100644 (file)
--- a/crypto/bn/bn.h
+++ b/crypto/bn/bn.h
@@ -167,7 +167,7 @@ extern "C" {
 #ifdef THIRTY_TWO_BIT
 #ifdef BN_LLONG
 # if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__)
-#  define BN_ULLONG    unsigned _int64
+#  define BN_ULLONG    unsigned __int64
 # else
 #  define BN_ULLONG    unsigned long long
 # endif
@@ -245,12 +245,25 @@ extern "C" {
 
 #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;
@@ -439,6 +452,8 @@ 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_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,
@@ -728,9 +743,9 @@ void ERR_load_BN_strings(void);
 /* Error codes for the BN functions. */
 
 /* Function codes. */
-#define BN_F_BNRAND                                     114
+#define BN_F_BNRAND                                     127
 #define BN_F_BN_BLINDING_CONVERT_EX                     100
-#define BN_F_BN_BLINDING_CREATE_PARAM                   133
+#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
@@ -738,28 +753,32 @@ void ERR_load_BN_strings(void);
 #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                               130
+#define BN_F_BN_CTX_START                               129
 #define BN_F_BN_DIV                                     107
-#define BN_F_BN_DIV_RECP                                131
+#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_SQRT                           132
+#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_F_BN_MOD_SQRT                                121
 #define BN_F_BN_MPI2BN                                  112
 #define BN_F_BN_NEW                                     113
+#define BN_F_BN_RAND                                    114
 #define BN_F_BN_RAND_RANGE                              122
 #define BN_F_BN_USUB                                    115
 
@@ -775,10 +794,9 @@ void ERR_load_BN_strings(void);
 #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                                117
+#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