Change method_mont_p from (char *) to (BN_MONT_CTX *) and remove several
[openssl.git] / crypto / dsa / dsa.h
index 1ddc37f9fb9737198b013e69933a44176c9afc95..c7ba059f251f48535ec05806fb2727bedf1d18da 100644 (file)
@@ -65,6 +65,8 @@
 #ifndef HEADER_DSA_H
 #define HEADER_DSA_H
 
+#include <openssl/e_os2.h>
+
 #ifdef OPENSSL_NO_DSA
 #error DSA is disabled.
 #endif
 #ifndef OPENSSL_NO_BIO
 #include <openssl/bio.h>
 #endif
-#include <openssl/bn.h>
 #include <openssl/crypto.h>
 #include <openssl/ossl_typ.h>
+
+#ifndef OPENSSL_NO_DEPRECATED
+#include <openssl/bn.h>
 #ifndef OPENSSL_NO_DH
 # include <openssl/dh.h>
 #endif
+#endif
 
 #define DSA_FLAG_CACHE_MONT_P  0x01
 
@@ -85,7 +90,9 @@
 extern "C" {
 #endif
 
-typedef struct dsa_st DSA;
+/* Already defined in ossl_typ.h */
+/* typedef struct dsa_st DSA; */
+/* typedef struct dsa_method DSA_METHOD; */
 
 typedef struct DSA_SIG_st
        {
@@ -93,7 +100,8 @@ typedef struct DSA_SIG_st
        BIGNUM *s;
        } DSA_SIG;
 
-typedef struct dsa_method {
+struct dsa_method
+       {
        const char *name;
        DSA_SIG * (*dsa_do_sign)(const unsigned char *dgst, int dlen, DSA *dsa);
        int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
@@ -110,7 +118,14 @@ typedef struct dsa_method {
        int (*finish)(DSA *dsa);
        int flags;
        char *app_data;
-} DSA_METHOD;
+       /* If this is non-NULL, it is used to generate DSA parameters */
+       int (*dsa_paramgen)(DSA *dsa, int bits,
+                       unsigned char *seed, int seed_len,
+                       int *counter_ret, unsigned long *h_ret,
+                       BN_GENCB *cb);
+       /* If this is non-NULL, it is used to generate DSA keys */
+       int (*dsa_keygen)(DSA *dsa);
+       };
 
 struct dsa_st
        {
@@ -131,7 +146,7 @@ struct dsa_st
 
        int flags;
        /* Normally used to cache montgomery values */
-       char *method_mont_p;
+       BN_MONT_CTX *method_mont_p;
        int references;
        CRYPTO_EX_DATA ex_data;
        const DSA_METHOD *meth;
@@ -139,16 +154,13 @@ struct dsa_st
        ENGINE *engine;
        };
 
-#define DSAparams_dup(x) (DSA *)ASN1_dup((int (*)())i2d_DSAparams, \
-               (char *(*)())d2i_DSAparams,(char *)(x))
+#define DSAparams_dup(x) ASN1_dup_of_const(DSA,i2d_DSAparams,d2i_DSAparams,x)
 #define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \
                (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x))
 #define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
                (unsigned char *)(x))
-#define d2i_DSAparams_bio(bp,x) (DSA *)ASN1_d2i_bio((char *(*)())DSA_new, \
-               (char *(*)())d2i_DSAparams,(bp),(unsigned char **)(x))
-#define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio(i2d_DSAparams,(bp), \
-               (unsigned char *)(x))
+#define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x)
+#define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x)
 
 
 DSA_SIG * DSA_SIG_new(void);
@@ -186,10 +198,20 @@ void *DSA_get_ex_data(DSA *d, int idx);
 DSA *  d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length);
 DSA *  d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
 DSA *  d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
+
+/* Deprecated version */
+#ifndef OPENSSL_NO_DEPRECATED
 DSA *  DSA_generate_parameters(int bits,
                unsigned char *seed,int seed_len,
                int *counter_ret, unsigned long *h_ret,void
                (*callback)(int, int, void *),void *cb_arg);
+#endif /* !defined(OPENSSL_NO_DEPRECATED) */
+
+/* New version */
+int    DSA_generate_parameters_ex(DSA *dsa, int bits,
+               unsigned char *seed,int seed_len,
+               int *counter_ret, unsigned long *h_ret, BN_GENCB *cb);
+
 int    DSA_generate_key(DSA *a);
 int    i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
 int    i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
@@ -230,7 +252,7 @@ void ERR_load_DSA_strings(void);
 #define DSA_F_DSAPARAMS_PRINT_FP                        101
 #define DSA_F_DSA_DO_SIGN                               112
 #define DSA_F_DSA_DO_VERIFY                             113
-#define DSA_F_DSA_NEW                                   103
+#define DSA_F_DSA_NEW_METHOD                            103
 #define DSA_F_DSA_PRINT                                         104
 #define DSA_F_DSA_PRINT_FP                              105
 #define DSA_F_DSA_SIGN                                  106