Nils Larsch submitted;

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

diff --git a/crypto/bn/bn.h b/crypto/bn/bn.h
index 403add94b03852dea86545584f7a7f2d39151164..58263baf9a56f0d0879dab6082f1080fa5138c09 100644 (file)
--- a/crypto/bn/bn.h
+++ b/crypto/bn/bn.h
@@ -287,6 +287,35 @@ typedef struct bn_recp_ctx_st
        int flags;
        } BN_RECP_CTX;
 
+/* Used for slow "generation" functions. */
+typedef struct bn_gencb_st BN_GENCB;
+struct bn_gencb_st
+       {
+       unsigned int ver;       /* To handle binary (in)compatibility */
+       void *arg;              /* callback-specific data */
+       union
+               {
+               /* if(ver==1) - handles old style callbacks */
+               void (*cb_1)(int, int, void *);
+               /* if(ver==2) - new callback style */
+               int (*cb_2)(int, int, BN_GENCB *);
+               } cb;
+       };
+/* Wrapper function to make using BN_GENCB easier,  */
+int BN_GENCB_call(BN_GENCB *cb, int a, int b);
+/* Macro to populate a BN_GENCB structure with an "old"-style callback */
+#define BN_GENCB_set_old(gencb, callback, cb_arg) { \
+               BN_GENCB *tmp_gencb = (gencb); \
+               tmp_gencb->ver = 1; \
+               tmp_gencb->arg = (cb_arg); \
+               tmp_gencb->cb.cb_1 = (callback); }
+/* Macro to populate a BN_GENCB structure with a "new"-style callback */
+#define BN_GENCB_set(gencb, callback, cb_arg) { \
+               BN_GENCB *tmp_gencb = (gencb); \
+               tmp_gencb->ver = 2; \
+               tmp_gencb->arg = (cb_arg); \
+               tmp_gencb->cb.cb_2 = (callback); }
+
 #define BN_prime_checks 0 /* default: select number of iterations
                             based on the size of the number */
 
@@ -431,6 +460,9 @@ 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);
+
+/* Deprecated versions */
+#ifndef OPENSSL_NO_DEPRECATED
 BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe,
        const BIGNUM *add, const BIGNUM *rem,
        void (*callback)(int,int,void *),void *cb_arg);
@@ -440,6 +472,14 @@ int        BN_is_prime(const BIGNUM *p,int nchecks,
 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);
+#endif /* !defined(OPENSSL_NO_DEPRECATED) */
+
+/* Newer versions */
+int    BN_generate_prime_ex(BIGNUM *ret,int bits,int safe, const BIGNUM *add,
+               const BIGNUM *rem, BN_GENCB *cb);
+int    BN_is_prime_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx, BN_GENCB *cb);
+int    BN_is_prime_fasttest_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx,
+               int do_trial_division, BN_GENCB *cb);
 
 BN_MONT_CTX *BN_MONT_CTX_new(void );
 void BN_MONT_CTX_init(BN_MONT_CTX *ctx);