# define EVP_MD_CTRL_KEY_LEN (EVP_MD_CTRL_ALG_CTRL+3)
# define EVP_MD_CTRL_SET_KEY (EVP_MD_CTRL_ALG_CTRL+4)
-# define EVP_MD_CTRL_MAC_LEN (EVP_MD_CTRL_ALG_CTRL+5)
/* EVP_PKEY_METHOD key encryption callbacks */
/* From gost_ec_keyx.c */
-int pkey_gost_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
- size_t *outlen, const unsigned char *key,
+int pkey_gost_encrypt(EVP_PKEY_CTX *pctx, unsigned char *out,
+ size_t *out_len, const unsigned char *key,
size_t key_len);
-int pkey_gost_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
- size_t *outlen, const unsigned char *in,
+int pkey_gost_decrypt(EVP_PKEY_CTX *pctx, unsigned char *key,
+ size_t *key_len, const unsigned char *in,
size_t in_len);
/* derive functions */
/* From gost_ec_keyx.c */
ECDSA_SIG *sig, EC_KEY *ec);
int gost_ec_compute_public(EC_KEY *ec);
+/* VKO */
+int VKO_compute_key(unsigned char *shared_key,
+ const EC_POINT *pub_key, const EC_KEY *priv_key,
+ const unsigned char *ukm, const size_t ukm_size,
+ const int vko_dgst_nid);
+
/* KDF TREE */
int gost_kdftree2012_256(unsigned char *keyout, size_t keyout_len,
const unsigned char *key, size_t keylen,
const unsigned char *iv, const size_t ivlen,
unsigned char *shared_key);
/*============== miscellaneous functions============================= */
-/* from gost_sign.c */
-/* Convert GOST R 34.11 hash sum to bignum according to standard */
-BIGNUM *hashsum2bn(const unsigned char *dgst, int len);
/*
* Store bignum in byte array of given length, prepending by zeros if
* nesseccary
/* Get private key as BIGNUM from both 34.10-2001 keys*/
/* Returns pointer into EVP_PKEY structure */
BIGNUM *gost_get0_priv_key(const EVP_PKEY *pkey);
-
#endif