1 files changed, 88 insertions, 43 deletions

diff --git a/src/lib/libcrypto/dh/dh.h b/src/lib/libcrypto/dh/dh.h
index 4cc1df2650..05851f8429 100644
--- a/src/lib/libcrypto/dh/dh.h
+++ b/src/lib/libcrypto/dh/dh.h
@@ -59,15 +59,41 @@
 #ifndef HEADER_DH_H
 #define HEADER_DH_H
 
+#ifdef OPENSSL_NO_DH
+#error DH 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>
+        
+#define DH_FLAG_CACHE_MONT_P    0x01
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#ifndef HEADER_BN_H
-#define BIGNUM          char
-#endif
+typedef struct dh_st DH;
+
+typedef struct dh_method {
+        const char *name;
+        /* Methods here */
+        int (*generate_key)(DH *dh);
+        int (*compute_key)(unsigned char *key,const BIGNUM *pub_key,DH *dh);
+        int (*bn_mod_exp)(const DH *dh, BIGNUM *r, const BIGNUM *a,
+                                const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                                BN_MONT_CTX *m_ctx); /* Can be null */
+
+        int (*init)(DH *dh);
+        int (*finish)(DH *dh);
+        int flags;
+        char *app_data;
+} DH_METHOD;
 
-typedef struct dh_st
+struct dh_st
         {
         /* This first argument is used to pick up errors when
          * a DH is passed instead of a EVP_PKEY */
@@ -75,10 +101,24 @@ typedef struct dh_st
         int version;
         BIGNUM *p;
         BIGNUM *g;
-        int length; /* optional */
-        BIGNUM *pub_key;        /* y */
+        long length; /* optional */
+        BIGNUM *pub_key;        /* g^x */
         BIGNUM *priv_key;       /* x */
-        } DH;
+
+        int flags;
+        char *method_mont_p;
+        /* Place holders if we want to do X9.42 DH */
+        BIGNUM *q;
+        BIGNUM *j;
+        unsigned char *seed;
+        int seedlen;
+        BIGNUM *counter;
+
+        int references;
+        CRYPTO_EX_DATA ex_data;
+        const DH_METHOD *meth;
+        ENGINE *engine;
+        };
 
 #define DH_GENERATOR_2          2
 /* #define DH_GENERATOR_3       3 */
@@ -86,10 +126,14 @@ typedef struct dh_st
 
 /* DH_check error codes */
 #define DH_CHECK_P_NOT_PRIME            0x01
-#define DH_CHECK_P_NOT_STRONG_PRIME     0x02
+#define DH_CHECK_P_NOT_SAFE_PRIME       0x02
 #define DH_UNABLE_TO_CHECK_GENERATOR    0x04
 #define DH_NOT_SUITABLE_GENERATOR       0x08
 
+/* primes p where (p-1)/2 is prime too are called "safe"; we define
+   this for backward compatibility: */
+#define DH_CHECK_P_NOT_STRONG_PRIME     DH_CHECK_P_NOT_SAFE_PRIME
+
 #define DHparams_dup(x) (DH *)ASN1_dup((int (*)())i2d_DHparams, \
                 (char *(*)())d2i_DHparams,(char *)(x))
 #define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \
@@ -98,50 +142,51 @@ typedef struct dh_st
                 (unsigned char *)(x))
 #define d2i_DHparams_bio(bp,x) (DH *)ASN1_d2i_bio((char *(*)())DH_new, \
                 (char *(*)())d2i_DHparams,(bp),(unsigned char **)(x))
+#ifdef  __cplusplus
+#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio((int (*)())i2d_DHparams,(bp), \
+                (unsigned char *)(x))
+#else
 #define i2d_DHparams_bio(bp,x) ASN1_i2d_bio(i2d_DHparams,(bp), \
                 (unsigned char *)(x))
+#endif
+
+const DH_METHOD *DH_OpenSSL(void);
+
+void DH_set_default_method(const DH_METHOD *meth);
+const DH_METHOD *DH_get_default_method(void);
+int DH_set_method(DH *dh, const DH_METHOD *meth);
+DH *DH_new_method(ENGINE *engine);
 
-#ifndef NOPROTO
 DH *    DH_new(void);
 void    DH_free(DH *dh);
-int     DH_size(DH *dh);
+int     DH_up_ref(DH *dh);
+int     DH_size(const DH *dh);
+int DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+             CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
+int DH_set_ex_data(DH *d, int idx, void *arg);
+void *DH_get_ex_data(DH *d, int idx);
 DH *    DH_generate_parameters(int prime_len,int generator,
-                void (*callback)(int,int,char *),char *cb_arg);
-int     DH_check(DH *dh,int *codes);
+                void (*callback)(int,int,void *),void *cb_arg);
+int     DH_check(const DH *dh,int *codes);
 int     DH_generate_key(DH *dh);
-int     DH_compute_key(unsigned char *key,BIGNUM *pub_key,DH *dh);
-DH *    d2i_DHparams(DH **a,unsigned char **pp, long length);
-int     i2d_DHparams(DH *a,unsigned char **pp);
-#ifndef NO_FP_API
-int     DHparams_print_fp(FILE *fp, DH *x);
+int     DH_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
+DH *    d2i_DHparams(DH **a,const unsigned char **pp, long length);
+int     i2d_DHparams(const DH *a,unsigned char **pp);
+#ifndef OPENSSL_NO_FP_API
+int     DHparams_print_fp(FILE *fp, const DH *x);
 #endif
-#ifdef HEADER_BIO_H
-int     DHparams_print(BIO *bp, DH *x);
+#ifndef OPENSSL_NO_BIO
+int     DHparams_print(BIO *bp, const DH *x);
 #else
-int     DHparams_print(char *bp, DH *x);
-#endif
-void    ERR_load_DH_strings(void );
-
-#else
-
-DH *    DH_new();
-void    DH_free();
-int     DH_size();
-DH *    DH_generate_parameters();
-int     DH_check();
-int     DH_generate_key();
-int     DH_compute_key();
-DH *    d2i_DHparams();
-int     i2d_DHparams();
-#ifndef NO_FP_API
-int     DHparams_print_fp();
-#endif
-int     DHparams_print();
-void    ERR_load_DH_strings();
-
+int     DHparams_print(char *bp, const DH *x);
 #endif
 
 /* 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.
+ */
+void ERR_load_DH_strings(void);
+
 /* Error codes for the DH functions. */
 
 /* Function codes. */
@@ -150,13 +195,13 @@ void	ERR_load_DH_strings();
 #define DH_F_DH_COMPUTE_KEY                              102
 #define DH_F_DH_GENERATE_KEY                             103
 #define DH_F_DH_GENERATE_PARAMETERS                      104
-#define DH_F_DH_NEW                                      105
+#define DH_F_DH_NEW_METHOD                               105
 
 /* Reason codes. */
+#define DH_R_BAD_GENERATOR                               101
 #define DH_R_NO_PRIVATE_VALUE                            100
- 
+
 #ifdef  __cplusplus
 }
 #endif
 #endif
-