/**********************************************************************
* gost_lcl.h *
* Copyright (c) 2006 Cryptocom LTD *
+ * Copyright (c) 2020 Vitaly Chikunov <vt@altlinux.org> *
* This file is distributed under the same license as OpenSSL *
* *
- * Internal declarations used in GOST engine *
+ * Internal declarations used in GOST engine *
* OpenSSL 0.9.9 libraries required to compile and use *
* this code *
**********************************************************************/
+# include <openssl/core.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 <openssl/asn1.h>
# include "gost89.h"
# include "gosthash.h"
/* Control commands */
# define GOST_PARAM_CRYPT_PARAMS 0
# define GOST_PARAM_PBE_PARAMS 1
-# define GOST_PARAM_MAX 1
+# define GOST_PARAM_PK_FORMAT 2
+# define GOST_PARAM_MAX 3
# define GOST_CTRL_CRYPT_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_CRYPT_PARAMS)
# define GOST_CTRL_PBE_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_PBE_PARAMS)
+# define GOST_CTRL_PK_FORMAT (ENGINE_CMD_BASE+GOST_PARAM_PK_FORMAT)
typedef struct R3410_ec {
int nid;
char *q;
char *x;
char *y;
+ char *cofactor;
+ EC_GROUP *group;
} R3410_ec_params;
extern R3410_ec_params R3410_2001_paramset[],
*R3410_2012_256_paramset, R3410_2012_512_paramset[];
+void free_cached_groups(void);
+
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);
/* method registration */
+/* Provider implementation data */
+extern const OSSL_ALGORITHM GOST_prov_macs[];
+void GOST_prov_deinit_mac_digests(void);
+
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 ukm_ctrl_string "ukmhex"
+# define vko_ctrl_string "vko"
# define EVP_PKEY_CTRL_GOST_PARAMSET (EVP_PKEY_ALG_CTRL+1)
/* For GOST 28147 MAC */
# define key_ctrl_string "key"
# define maclen_ctrl_string "size"
# define EVP_PKEY_CTRL_GOST_MAC_HEXKEY (EVP_PKEY_ALG_CTRL+3)
# define EVP_PKEY_CTRL_MAC_LEN (EVP_PKEY_ALG_CTRL+5)
+# define EVP_PKEY_CTRL_SET_VKO (EVP_PKEY_ALG_CTRL+11)
/* 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;
+ unsigned char shared_ukm[32];
+ size_t shared_ukm_size;
int peer_key_used;
+ int cipher_nid; /* KExp15/KImp15 algs */
+ int vko_dgst_nid;
};
struct gost_mac_pmeth_data {
struct gost_mac_key {
int mac_param_nid;
unsigned char key[32];
+ short int mac_size;
};
/* GOST-specific ASN1 structures */
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;
+ ASN1_OCTET_STRING *ukm;
+} 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
DECLARE_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS)
+typedef struct {
+ ASN1_OCTET_STRING *ukm;
+ } GOST2015_CIPHER_PARAMS;
+
+DECLARE_ASN1_FUNCTIONS(GOST2015_CIPHER_PARAMS)
+
typedef struct {
ASN1_OCTET_STRING *masked_priv_key;
ASN1_OCTET_STRING *public_key;
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 R 34.11-2012 algorithms */
-extern EVP_MD digest_gost2012_256;
-extern EVP_MD digest_gost2012_512;
-/* EVP_MD structure for GOST 28147 in MAC mode */
-extern EVP_MD imit_gost_cpa;
-extern EVP_MD imit_gost_cp_12;
/* Cipher context used for EVP_CIPHER operation */
struct ossl_gost_cipher_ctx {
int paramNID;
unsigned int count;
int key_meshing;
+ unsigned char kdf_seed[8];
+ unsigned char tag[8];
gost_ctx cctx;
+ EVP_MD_CTX *omac_ctx;
};
/* Structure to map parameter NID to S-block */
struct gost_cipher_info {
int key_set;
int dgst_size;
};
-/* 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_cbc;
-extern EVP_CIPHER cipher_gost_cpacnt;
-extern EVP_CIPHER cipher_gost_cpcnt_12;
+
+void inc_counter(unsigned char *counter, size_t counter_bytes);
+
# 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_ECcp_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_ECcp_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 */
-int pkey_gost_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
- size_t *keylen);
+int pkey_gost_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
int fill_GOST_EC_params(EC_KEY *eckey, int nid);
-int gost_sign_keygen(DSA *dsa);
int gost_ec_keygen(EC_KEY *ec);
-DSA_SIG *gost_ec_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);
+ECDSA_SIG *gost_ec_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey);
int gost_ec_verify(const unsigned char *dgst, int dgst_len,
- DSA_SIG *sig, EC_KEY *ec);
+ ECDSA_SIG *sig, EC_KEY *ec);
int gost_ec_compute_public(EC_KEY *ec);
+int gost_ec_point_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
+ const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx);
+
+#define CURVEDEF(a) \
+int point_mul_##a(const EC_GROUP *group, EC_POINT *r, const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx);\
+int point_mul_g_##a(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, BN_CTX *ctx);\
+int point_mul_two_##a(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx);
+
+CURVEDEF(id_GostR3410_2001_CryptoPro_A_ParamSet)
+CURVEDEF(id_GostR3410_2001_CryptoPro_B_ParamSet)
+CURVEDEF(id_GostR3410_2001_CryptoPro_C_ParamSet)
+CURVEDEF(id_GostR3410_2001_TestParamSet)
+CURVEDEF(id_tc26_gost_3410_2012_256_paramSetA)
+CURVEDEF(id_tc26_gost_3410_2012_512_paramSetA)
+CURVEDEF(id_tc26_gost_3410_2012_512_paramSetB)
+CURVEDEF(id_tc26_gost_3410_2012_512_paramSetC)
+
+/* 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 *label, size_t label_len,
+ const unsigned char *seed, size_t seed_len,
+ const size_t representation);
+
+int gost_tlstree(int cipher_nid, const unsigned char *in, unsigned char *out,
+ const unsigned char *tlsseq);
+/* 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);
/*============== 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
*/
-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);
+int store_bignum(const 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(ECDSA_SIG *s, int order, unsigned char *sig, size_t *siglen);
/* from ameth.c */
/* 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);
+/* from gost_crypt.c */
+/* Decrements 8-byte sequence */
+int decrement_sequence(unsigned char *seq, int decrement);
+
+/* Struct describing cipher and used for init/deinit.*/
+struct gost_cipher_st {
+ struct gost_cipher_st *template; /* template struct */
+ int nid;
+ EVP_CIPHER *cipher;
+ int block_size; /* (bytes) */
+ int key_len; /* (bytes) */
+ int iv_len;
+ int flags;
+ int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+ int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl);
+ int (*cleanup)(EVP_CIPHER_CTX *);
+ int ctx_size;
+ int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *);
+ int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *);
+ int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr);
+};
+typedef struct gost_cipher_st GOST_cipher;
+
+EVP_CIPHER *GOST_init_cipher(GOST_cipher *c);
+void GOST_deinit_cipher(GOST_cipher *c);
+
+/* ENGINE implementation data */
+extern GOST_cipher Gost28147_89_cipher;
+extern GOST_cipher Gost28147_89_cbc_cipher;
+extern GOST_cipher Gost28147_89_cnt_cipher;
+extern GOST_cipher Gost28147_89_cnt_12_cipher;
+extern GOST_cipher magma_ctr_cipher;
+extern GOST_cipher magma_ctr_acpkm_cipher;
+extern GOST_cipher magma_ctr_acpkm_omac_cipher;
+extern GOST_cipher magma_ecb_cipher;
+extern GOST_cipher magma_cbc_cipher;
+extern GOST_cipher magma_mgm_cipher;
+extern GOST_cipher grasshopper_ecb_cipher;
+extern GOST_cipher grasshopper_cbc_cipher;
+extern GOST_cipher grasshopper_cfb_cipher;
+extern GOST_cipher grasshopper_ofb_cipher;
+extern GOST_cipher grasshopper_ctr_cipher;
+extern GOST_cipher grasshopper_mgm_cipher;
+extern GOST_cipher grasshopper_ctr_acpkm_cipher;
+extern GOST_cipher grasshopper_ctr_acpkm_omac_cipher;
+extern GOST_cipher magma_kexp15_cipher;
+extern GOST_cipher kuznyechik_kexp15_cipher;
+
+/* Provider implementation data */
+extern const OSSL_ALGORITHM GOST_prov_ciphers[];
+void GOST_prov_deinit_ciphers(void);
+
+struct gost_digest_st {
+ struct gost_digest_st *template;
+ int nid;
+ const char *alias;
+ EVP_MD *digest;
+ int result_size;
+ int input_blocksize;
+ int app_datasize;
+ int flags;
+ int (*init)(EVP_MD_CTX *ctx);
+ int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
+ int (*final)(EVP_MD_CTX *ctx, unsigned char *md);
+ int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from);
+ int (*cleanup)(EVP_MD_CTX *ctx);
+ int (*ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
+};
+typedef struct gost_digest_st GOST_digest;
+
+EVP_MD *GOST_init_digest(GOST_digest *d);
+void GOST_deinit_digest(GOST_digest *d);
+
+/* ENGINE implementation data */
+extern GOST_digest GostR3411_94_digest;
+extern GOST_digest Gost28147_89_MAC_digest;
+extern GOST_digest Gost28147_89_mac_12_digest;
+extern GOST_digest GostR3411_2012_256_digest;
+extern GOST_digest GostR3411_2012_512_digest;
+extern GOST_digest magma_mac_digest;
+extern GOST_digest grasshopper_mac_digest;
+extern GOST_digest kuznyechik_ctracpkm_omac_digest;
+
+/* Provider implementation data */
+extern const OSSL_ALGORITHM GOST_prov_digests[];
+void GOST_prov_deinit_digests(void);
+
+/* job to initialize a missing NID */
+struct gost_nid_job {
+ const char *sn;
+ const char *ln;
+ void (*callback)(int nid);
+ ASN1_OBJECT *asn1;
+};
+
+typedef struct gost_nid_job GOST_NID_JOB;
+
+extern GOST_NID_JOB magma_mgm_NID;
+extern GOST_NID_JOB kuznyechik_mgm_NID;
#endif
+/* vim: set expandtab cinoptions=\:0,l1,t0,g0,(0 sw=4 : */
projects / openssl-gost / engine.git / blobdiff