Cleanup: support EVP_MD_CTX_(create|init|destroy) for deprecated use

[openssl.git] / include / openssl / evp.h

diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index 910f39b478b2d0707cdb9b988a361a91a91e5249..d8fbba1af65e87838363ac2d082c59d58cfd19b1 100644 (file)
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -148,21 +148,41 @@ struct evp_pkey_st {
 # define EVP_PKEY_MO_DECRYPT     0x0008
 
 # ifndef EVP_MD
-struct evp_md_st {
-    int type;
-    int pkey_type;
-    int md_size;
-    unsigned long flags;
-    int (*init) (EVP_MD_CTX *ctx);
-    int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
-    int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
-    int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
-    int (*cleanup) (EVP_MD_CTX *ctx);
-    int block_size;
-    int ctx_size;               /* how big does the ctx->md_data need to be */
-    /* control function */
-    int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
-} /* EVP_MD */ ;
+EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type);
+EVP_MD *EVP_MD_meth_dup(const EVP_MD *md);
+void EVP_MD_meth_free(EVP_MD *md);
+
+int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize);
+int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize);
+int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize);
+int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags);
+int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx));
+int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx,
+                                                     const void *data,
+                                                     size_t count));
+int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,
+                                                   unsigned char *md));
+int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,
+                                                 const EVP_MD_CTX *from));
+int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx));
+int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,
+                                                 int p1, void *p2));
+
+int EVP_MD_meth_get_input_blocksize(const EVP_MD *md);
+int EVP_MD_meth_get_result_size(const EVP_MD *md);
+int EVP_MD_meth_get_app_datasize(const EVP_MD *md);
+unsigned long EVP_MD_meth_get_flags(const EVP_MD *md);
+int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx);
+int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,
+                                                const void *data,
+                                                size_t count);
+int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,
+                                               unsigned char *md);
+int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,
+                                              const EVP_MD_CTX *from);
+int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx);
+int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,
+                                              int p1, void *p2);
 
 /* digest can only handle a single block */
 #  define EVP_MD_FLAG_ONESHOT     0x0001
@@ -197,18 +217,6 @@ struct evp_md_st {
 
 # endif                         /* !EVP_MD */
 
-struct evp_md_ctx_st {
-    const EVP_MD *digest;
-    ENGINE *engine;             /* functional reference if 'digest' is
-                                 * ENGINE-provided */
-    unsigned long flags;
-    void *md_data;
-    /* Public key context for sign/verify */
-    EVP_PKEY_CTX *pctx;
-    /* Update function: usually copied from EVP_MD */
-    int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
-} /* EVP_MD_CTX */ ;
-
 /* values for EVP_MD_CTX flags */
 
 # define EVP_MD_CTX_FLAG_ONESHOT         0x0001/* digest update will be
@@ -467,15 +475,6 @@ typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
 # define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
 
 /* Macros to reduce FIPS dependencies: do NOT use in applications */
-# define M_EVP_MD_size(e)                ((e)->md_size)
-# define M_EVP_MD_block_size(e)          ((e)->block_size)
-# define M_EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
-# define M_EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
-# define M_EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
-# define M_EVP_MD_type(e)                        ((e)->type)
-# define M_EVP_MD_CTX_type(e)            M_EVP_MD_type(M_EVP_MD_CTX_md(e))
-# define M_EVP_MD_CTX_md(e)                      ((e)->digest)
-
 # define M_EVP_CIPHER_nid(e)             ((e)->nid)
 # define M_EVP_CIPHER_CTX_iv_length(e)   ((e)->cipher->iv_len)
 # define M_EVP_CIPHER_CTX_flags(e)       ((e)->cipher->flags)
@@ -503,9 +502,16 @@ int EVP_MD_block_size(const EVP_MD *md);
 unsigned long EVP_MD_flags(const EVP_MD *md);
 
 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
+int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,
+                                             const void *data, size_t count);
+void EVP_MD_CTX_set_update_fn(EVP_MD_CTX *ctx,
+                              int (*update) (EVP_MD_CTX *ctx,
+                                             const void *data, size_t count));
 # define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
 # define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
 # define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
+EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx);
+void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx);
 
 int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
 # define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
@@ -565,11 +571,15 @@ void BIO_set_md(BIO *, const EVP_MD *md);
 # define EVP_delete_digest_alias(alias) \
         OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
 
-void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
-int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
 int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
-EVP_MD_CTX *EVP_MD_CTX_create(void);
-void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
+EVP_MD_CTX *EVP_MD_CTX_new(void);
+int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
+void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
+# ifdef OPENSSL_USE_DEPRECATED
+#  define EVP_MD_CTX_create()     EVP_MD_CTX_new()
+#  define EVP_MD_CTX_init(ctx)    EVP_MD_CTX_reset((ctx))
+#  define EVP_MD_CTX_destroy(ctx) EVP_MD_CTX_free((ctx))
+# endif
 /*__owur*/ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);