X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=crypto%2Fdh%2Fdh.h;h=7e732e1c321f95e3a3ca3d8a1378d7dc72da22fa;hb=aa66eba7c8c7496db92b80da19688d6f96a40b96;hp=7a8d9f88c2ebdb0d6171dec75cbb85710274e03f;hpb=5270e7025e11b2fd1a5bdf8d81feded1167b1c87;p=openssl.git

diff --git a/crypto/dh/dh.h b/crypto/dh/dh.h
index 7a8d9f88c2..7e732e1c32 100644
--- a/crypto/dh/dh.h
+++ b/crypto/dh/dh.h
@@ -81,9 +81,9 @@ typedef struct dh_method {
 	const char *name;
 	/* Methods here */
 	int (*generate_key)(DH *dh);
-	int (*compute_key)(unsigned char *key,BIGNUM *pub_key,DH *dh);
-	int (*bn_mod_exp)(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
-				const BIGNUM *m, BN_CTX *ctx,
+	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);
@@ -152,13 +152,13 @@ struct dh_st
 		(unsigned char *)(x))
 #endif
 
-DH_METHOD *DH_OpenSSL(void);
+const DH_METHOD *DH_OpenSSL(void);
 
-void DH_set_default_openssl_method(DH_METHOD *meth);
-DH_METHOD *DH_get_default_openssl_method(void);
+void DH_set_default_openssl_method(const DH_METHOD *meth);
+const DH_METHOD *DH_get_default_openssl_method(void);
 #if 0
-DH_METHOD *DH_set_method(DH *dh, DH_METHOD *meth);
-DH *DH_new_method(DH_METHOD *meth);
+const DH_METHOD *DH_set_method(DH *dh, const DH_METHOD *meth);
+DH *DH_new_method(const DH_METHOD *meth);
 #else
 int DH_set_method(DH *dh, struct engine_st *engine);
 DH *DH_new_method(struct engine_st *engine);
@@ -166,27 +166,27 @@ DH *DH_new_method(struct engine_st *engine);
 
 DH *	DH_new(void);
 void	DH_free(DH *dh);
-int	DH_size(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,void *),void *cb_arg);
-int	DH_check(DH *dh,int *codes);
+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);
+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 NO_FP_API
-int	DHparams_print_fp(FILE *fp, DH *x);
+int	DHparams_print_fp(FILE *fp, const DH *x);
 #endif
 #ifndef NO_BIO
-int	DHparams_print(BIO *bp, DH *x);
+int	DHparams_print(BIO *bp, const DH *x);
 #else
-int	DHparams_print(char *bp, DH *x);
+int	DHparams_print(char *bp, const DH *x);
 #endif
-void	ERR_load_DH_strings(void );
+void	ERR_load_DH_strings(void);
 
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes