GOST key export, separate function

[openssl-gost/engine.git] / gost_lcl.h

diff --git a/gost_lcl.h b/gost_lcl.h
index 52984a00336ed96a0aebe595a92780aff586fee6..a6b6e1224845a3bb14ac29735d412657817ee487 100644 (file)
--- a/gost_lcl.h
+++ b/gost_lcl.h
@@ -114,6 +114,24 @@ typedef struct {                /* FIXME incomplete */
     GOST_KEY_TRANSPORT *gkt;
 } GOST_CLIENT_KEY_EXCHANGE_PARAMS;
 
+/*   PSKeyTransport ::= SEQUENCE {
+       PSEXP OCTET STRING,
+       ephemeralPublicKey SubjectPublicKeyInfo
+   }
+   SubjectPublicKeyInfo ::= SEQUENCE {
+       algorithm AlgorithmIdentifier,
+       subjectPublicKey BITSTRING
+   }
+   AlgorithmIdentifier ::= SEQUENCE {
+       algorithm OBJECT IDENTIFIER,
+       parameters ANY OPTIONAL
+   }*/
+typedef struct PSKeyTransport_st {
+    ASN1_OCTET_STRING *psexp;
+    X509_PUBKEY       *ephem_key;
+} PSKeyTransport_gost;
+
+DECLARE_ASN1_FUNCTIONS(PSKeyTransport_gost)
 /*
  * Hacks to shorten symbols to 31 characters or less, or OpenVMS. This mimics
  * what's done in symhacks.h, but since this is a very local header file, I
@@ -254,6 +272,17 @@ int gost_kdftree2012_256(unsigned char *keyout, size_t keyout_len,
                          const unsigned char *label, size_t label_len,
                          const unsigned char *seed, size_t seed_len,
                          const size_t representation);
+/* KExp/KImp */
+int gost_kexp15(const unsigned char *shared_key, const int shared_len,
+                int cipher_nid, const unsigned char *cipher_key,
+                int mac_nid, unsigned char *mac_key,
+                const unsigned char *iv, const size_t ivlen,
+                unsigned char *out, int *out_len);
+int gost_kimp15(const unsigned char *expkey, const size_t expkeylen,
+                int cipher_nid, const unsigned char *cipher_key,
+                int mac_nid, unsigned char *mac_key,
+                const unsigned char *iv, const size_t ivlen,
+                unsigned char *shared_key, size_t shared_len);
 /*============== miscellaneous functions============================= */
 /* from gost_sign.c */
 /* Convert GOST R 34.11 hash sum to bignum according to standard */