svn merge -r514:HEAD ^/branches/released .

1 files changed, 218 insertions, 0 deletions

diff --git a/openssl/engines/ccgost/gost_lcl.h b/openssl/engines/ccgost/gost_lcl.h
new file mode 100644
index 000000000..437a48cc8
--- /dev/null
+++ b/openssl/engines/ccgost/gost_lcl.h
@@ -0,0 +1,218 @@
+#ifndef GOST_TOOLS_H
+#define GOST_TOOLS_H
+/**********************************************************************
+ *                        gost_lcl.h                                  *
+ *             Copyright (c) 2006 Cryptocom LTD                       *
+ *       This file is distributed under the same license as OpenSSL   *
+ *                                                                    *
+ *         Internal declarations  used in GOST engine                *
+ *         OpenSSL 0.9.9 libraries required to compile and use        *
+ *                              this code                             *
+ **********************************************************************/ 
+#include <openssl/bn.h>
+#include <openssl/evp.h>
+#include <openssl/dsa.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/engine.h>
+#include <openssl/ec.h>
+#include "gost89.h"
+#include "gosthash.h"
+/* Control commands */
+#define GOST_PARAM_CRYPT_PARAMS 0
+#define GOST_PARAM_MAX 0
+#define GOST_CTRL_CRYPT_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_CRYPT_PARAMS)
+
+	extern const ENGINE_CMD_DEFN gost_cmds[];
+	int gost_control_func(ENGINE *e,int cmd, long i, void *p, void (*f)(void));
+	const char *get_gost_engine_param(int param);	
+	int gost_set_default_param(int param, const char *value); 
+	void gost_param_free(void);
+
+/* method registration */
+
+	int register_ameth_gost (int nid, EVP_PKEY_ASN1_METHOD **ameth, const char* pemstr, const char* info);
+	int register_pmeth_gost (int id, EVP_PKEY_METHOD **pmeth, int flags);
+
+/* Gost-specific pmeth control-function parameters */
+/* For GOST R34.10 parameters */
+#define param_ctrl_string "paramset"
+#define EVP_PKEY_CTRL_GOST_PARAMSET (EVP_PKEY_ALG_CTRL+1)
+/* For GOST 28147 MAC */
+#define key_ctrl_string "key"
+#define hexkey_ctrl_string "hexkey"
+#define EVP_PKEY_CTRL_GOST_MAC_HEXKEY (EVP_PKEY_ALG_CTRL+3)
+/* Pmeth internal representation */
+	struct gost_pmeth_data {
+   	    int sign_param_nid; /* Should be set whenever parameters are filled */
+		EVP_MD *md;
+		unsigned char *shared_ukm;
+		int peer_key_used;
+	};
+
+	struct gost_mac_pmeth_data {
+		int key_set;
+		EVP_MD *md;
+		unsigned char key[32];
+	}	;
+/* GOST-specific ASN1 structures */
+
+
+typedef struct {
+	ASN1_OCTET_STRING *encrypted_key;
+	ASN1_OCTET_STRING *imit;
+} GOST_KEY_INFO;
+
+DECLARE_ASN1_FUNCTIONS(GOST_KEY_INFO)
+
+typedef struct {
+	ASN1_OBJECT *cipher;
+	X509_PUBKEY *ephem_key;
+	ASN1_OCTET_STRING *eph_iv;
+} GOST_KEY_AGREEMENT_INFO;
+
+DECLARE_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO)
+	
+typedef struct {
+	GOST_KEY_INFO *key_info;
+	GOST_KEY_AGREEMENT_INFO *key_agreement_info;
+} GOST_KEY_TRANSPORT;
+
+DECLARE_ASN1_FUNCTIONS(GOST_KEY_TRANSPORT)
+
+typedef struct { /* FIXME incomplete */
+	GOST_KEY_TRANSPORT *gkt;
+} GOST_CLIENT_KEY_EXCHANGE_PARAMS;
+
+/* 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 prefered to put this hack directly here.
+   -- Richard Levitte */
+#ifdef OPENSSL_SYS_VMS
+#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_it
+#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_it	GOST_CLIENT_KEY_EXC_PARAMS_it
+#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_new
+#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_new	GOST_CLIENT_KEY_EXC_PARAMS_new
+#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_free
+#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_free	GOST_CLIENT_KEY_EXC_PARAMS_free
+#undef d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS
+#define d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS	d2i_GOST_CLIENT_KEY_EXC_PARAMS
+#undef i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS
+#define i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS	i2d_GOST_CLIENT_KEY_EXC_PARAMS
+#endif /* End of hack */
+DECLARE_ASN1_FUNCTIONS(GOST_CLIENT_KEY_EXCHANGE_PARAMS)
+typedef struct {
+	ASN1_OBJECT *key_params;
+	ASN1_OBJECT *hash_params;
+	ASN1_OBJECT *cipher_params;
+} GOST_KEY_PARAMS;
+
+DECLARE_ASN1_FUNCTIONS(GOST_KEY_PARAMS)
+
+typedef struct {
+	ASN1_OCTET_STRING *iv;
+	ASN1_OBJECT *enc_param_set;
+} GOST_CIPHER_PARAMS; 
+
+DECLARE_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS)
+/*============== Message digest  and cipher related structures  ==========*/
+	 /* Structure used as EVP_MD_CTX-md_data. 
+	  * It allows to avoid storing in the md-data pointers to
+	  * dynamically allocated memory.
+	  *
+	  * I cannot invent better way to avoid memory leaks, because
+	  * openssl insist on invoking Init on Final-ed digests, and there
+	  * is no reliable way to find out whether pointer in the passed
+	  * md_data is valid or not.
+	  * */
+struct ossl_gost_digest_ctx {
+	gost_hash_ctx dctx;
+	gost_ctx cctx;
+};	
+/* EVP_MD structure for GOST R 34.11 */
+extern EVP_MD digest_gost;
+/* EVP_MD structure for GOST 28147 in MAC mode */
+extern EVP_MD imit_gost_cpa;
+/* Cipher context used for EVP_CIPHER operation */
+struct ossl_gost_cipher_ctx {
+	int paramNID;
+	off_t count;
+	int key_meshing;
+	gost_ctx cctx;
+};	
+/* Structure to map parameter NID to S-block */
+struct gost_cipher_info {
+	int nid;
+	gost_subst_block *sblock;
+	int key_meshing;
+};
+/* Context for MAC */
+struct ossl_gost_imit_ctx {
+	gost_ctx cctx;
+	unsigned char buffer[8];
+	unsigned char partial_block[8];
+	off_t count;
+	int key_meshing;
+	int bytes_left;
+	int key_set;
+};	
+/* Table which maps parameter NID to S-blocks */
+extern struct gost_cipher_info gost_cipher_list[];
+/* Find encryption params from ASN1_OBJECT */
+const struct gost_cipher_info *get_encryption_params(ASN1_OBJECT *obj);
+/* Implementation of GOST 28147-89 cipher in CFB and CNT modes */
+extern EVP_CIPHER cipher_gost;
+extern EVP_CIPHER cipher_gost_cpacnt;
+#define EVP_MD_CTRL_KEY_LEN (EVP_MD_CTRL_ALG_CTRL+3)
+#define EVP_MD_CTRL_SET_KEY (EVP_MD_CTRL_ALG_CTRL+4)
+/* EVP_PKEY_METHOD key encryption callbacks */
+/* From gost94_keyx.c */
+int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* key, size_t key_len );
+
+int pkey_GOST94cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* in, size_t in_len );
+/* From gost2001_keyx.c */
+int pkey_GOST01cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* key, size_t key_len );
+
+int pkey_GOST01cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* in, size_t in_len );
+/* derive functions */
+/* From gost2001_keyx.c */
+int pkey_gost2001_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
+/* From gost94_keyx.c */
+int pkey_gost94_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
+/* Internal functions for signature algorithms */
+int fill_GOST94_params(DSA *dsa,int nid);
+int fill_GOST2001_params(EC_KEY *eckey, int nid);
+int gost_sign_keygen(DSA *dsa) ;
+int gost2001_keygen(EC_KEY *ec) ;
+
+DSA_SIG *gost_do_sign(const unsigned char *dgst,int dlen, DSA *dsa) ;
+DSA_SIG *gost2001_do_sign(const unsigned char *dgst,int dlen, EC_KEY *eckey);
+
+int gost_do_verify(const unsigned char *dgst, int dgst_len,
+		DSA_SIG *sig, DSA *dsa) ;
+int gost2001_do_verify(const unsigned char *dgst,int dgst_len,
+			DSA_SIG *sig, EC_KEY *ec);
+int gost2001_compute_public(EC_KEY *ec) ;
+int gost94_compute_public(DSA *dsa) ;
+/*============== miscellaneous functions============================= */
+/* from gost_sign.c */
+/* Convert GOST R 34.11 hash sum to bignum according to standard */
+BIGNUM *hashsum2bn(const unsigned char *dgst) ;
+/* Store bignum in byte array of given length, prepending by zeros
+ * if nesseccary */
+int store_bignum(BIGNUM *bn, unsigned char *buf,int len);
+/* Read bignum, which can have few MSB all-zeros    from buffer*/ 
+BIGNUM *getbnfrombuf(const unsigned char *buf,size_t len);
+/* Pack GOST R 34.10 signature according to CryptoPro rules */
+int pack_sign_cp(DSA_SIG *s,int order,unsigned char *sig, size_t *siglen); 
+/* Unpack GOST R 34.10 signature according to CryptoPro rules */
+DSA_SIG *unpack_cp_signature(const unsigned char *sig,size_t siglen) ;
+/* from ameth.c */
+/* Get private key as BIGNUM from both R 34.10-94 and R 34.10-2001  keys*/
+/* Returns pointer into EVP_PKEY structure */
+BIGNUM* gost_get0_priv_key(const EVP_PKEY *pkey) ;
+/* Find NID by GOST 94 parameters */
+int gost94_nid_by_params(DSA *p) ;
+
+
+#endif