#ifndef GOST_TOOLS_H
-#define GOST_TOOLS_H
+# define GOST_TOOLS_H
/**********************************************************************
* gost_lcl.h *
* Copyright (c) 2006 Cryptocom LTD *
* 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"
+ **********************************************************************/
+# 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);
+# define GOST_PARAM_CRYPT_PARAMS 0
+# define GOST_PARAM_MAX 0
+# define GOST_CTRL_CRYPT_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_CRYPT_PARAMS)
+
+typedef struct R3410_2001 {
+ int nid;
+ char *a;
+ char *b;
+ char *p;
+ char *q;
+ char *x;
+ char *y;
+} R3410_2001_params;
+
+extern R3410_2001_params R3410_2001_paramset[];
+
+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);
+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)
+# 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)
+# 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;
- };
-
- struct gost_mac_pmeth_data {
- int key_set;
- EVP_MD *md;
- unsigned char key[32];
- } ;
-/* GOST-specific ASN1 structures */
+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;
+ 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;
+ 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_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;
+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
-#defined GOST_CLIENT_KEY_EXCHANGE_PARAMS_it GOST_CLIENT_KEY_EXC_PARAMS_it
-#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_new
-#defined GOST_CLIENT_KEY_EXCHANGE_PARAMS_new GOST_CLIENT_KEY_EXC_PARAMS_new
-#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_free
-#defined GOST_CLIENT_KEY_EXCHANGE_PARAMS_free GOST_CLIENT_KEY_EXC_PARAMS_free
-#undef d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS
-#defined d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS d2i_GOST_CLIENT_KEY_EXC_PARAMS
-#undef i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS
-#defined i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS i2d_GOST_CLIENT_KEY_EXC_PARAMS
-#endif /* End of hack */
+/*
+ * 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;
+ 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;
+ 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.
- * */
+ /*
+ * 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;
-};
+ gost_hash_ctx dctx;
+ gost_ctx cctx;
+};
/* EVP_MD structure for GOST R 34.11 */
-extern EVP_MD digest_gost;
+EVP_MD *digest_gost(void);
+void digest_gost_destroy(void);
/* EVP_MD structure for GOST 28147 in MAC mode */
-extern EVP_MD imit_gost_cpa;
+const EVP_MD *imit_gost_cpa(void);
+void imit_gost_cpa_destroy(void);
/* Cipher context used for EVP_CIPHER operation */
struct ossl_gost_cipher_ctx {
- int paramNID;
- off_t count;
- int key_meshing;
- gost_ctx cctx;
-};
+ int paramNID;
+ unsigned int 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;
+ 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;
-};
+ gost_ctx cctx;
+ unsigned char buffer[8];
+ unsigned char partial_block[8];
+ unsigned int 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)
+const EVP_CIPHER *cipher_gost(void);
+const EVP_CIPHER *cipher_gost_cpacnt(void);
+# 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_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 );
+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);
+int pkey_gost2001_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) ;
+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);
+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) ;
+ 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);
/*============== 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);
+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);
/* 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);
+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) ;
+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*/
+/* 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) ;
-/* Find NID by GOST 94 parameters */
-int gost94_nid_by_params(DSA *p) ;
-
+BIGNUM *gost_get0_priv_key(const EVP_PKEY *pkey);
#endif
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