Make the definition of EVP_MD_CTX opaque

[oweals/openssl.git] / crypto / evp / evp_locl.h

diff --git a/crypto/evp/evp_locl.h b/crypto/evp/evp_locl.h
index b70a54ce7778ca5b0b07f093b0b28843df8f88d5..1fbdb6564129f8aa3d30b61f38e551e4a1783e30 100644 (file)
--- a/crypto/evp/evp_locl.h
+++ b/crypto/evp/evp_locl.h
@@ -57,6 +57,26 @@
  *
  */
 
+/* EVP_MD_CTX related stuff */
+
+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 */ ;
+
+# 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_CTX_type(e)            M_EVP_MD_type(M_EVP_MD_CTX_md(e))
+# define M_EVP_MD_CTX_md(e)                      ((e)->digest)
+
 /* Macros to code block cipher wrappers */
 
 /* Wrapper functions for each cipher mode */