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-rw-r--r--gost_lcl.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/gost_lcl.h b/gost_lcl.h
index 08fe5ce..a6b6e12 100644
--- a/gost_lcl.h
+++ b/gost_lcl.h
@@ -272,6 +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 */