make EVP_PKEY opaque

Reviewed-by: Richard Levitte <levitte@openssl.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/crypto/include/internal/evp_int.h b/crypto/include/internal/evp_int.h
index da73e70ff1..614ccca3f6 100644
--- a/crypto/include/internal/evp_int.h
+++ b/crypto/include/internal/evp_int.h
@@ -387,3 +387,32 @@ const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
                              (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
                              cipher##_init_key, NULL, NULL, NULL, NULL)
 
+
+/*
+ * Type needs to be a bit field Sub-type needs to be for variations on the
+ * method, as in, can it do arbitrary encryption....
+ */
+struct evp_pkey_st {
+    int type;
+    int save_type;
+    int references;
+    const EVP_PKEY_ASN1_METHOD *ameth;
+    ENGINE *engine;
+    union {
+        char *ptr;
+# ifndef OPENSSL_NO_RSA
+        struct rsa_st *rsa;     /* RSA */
+# endif
+# ifndef OPENSSL_NO_DSA
+        struct dsa_st *dsa;     /* DSA */
+# endif
+# ifndef OPENSSL_NO_DH
+        struct dh_st *dh;       /* DH */
+# endif
+# ifndef OPENSSL_NO_EC
+        struct ec_key_st *ec;   /* ECC */
+# endif
+    } pkey;
+    int save_parameters;
+    STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
+} /* EVP_PKEY */ ;