X-Git-Url: http://www.wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_lcl.h;h=ffa8c76d1245c61e6a96f5a88f9dee4dfba6f845;hb=HEAD;hp=3a2c7d57014733f3193d56f88d36956412c6f23d;hpb=c98ba9d03213d0c63d6874539d59f7b55fbc3fae;p=openssl-gost%2Fengine.git diff --git a/gost_lcl.h b/gost_lcl.h index 3a2c7d5..ffa8c76 100644 --- a/gost_lcl.h +++ b/gost_lcl.h @@ -3,25 +3,48 @@ /********************************************************************** * gost_lcl.h * * Copyright (c) 2006 Cryptocom LTD * + * Copyright (c) 2020 Vitaly Chikunov * * 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 # include # include -# include # include # include # include # include +# include # include "gost89.h" # include "gosthash.h" /* Control commands */ # define GOST_PARAM_CRYPT_PARAMS 0 -# define GOST_PARAM_MAX 0 +# define GOST_PARAM_PBE_PARAMS 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 *a; + char *b; + char *p; + 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)); @@ -31,6 +54,10 @@ void gost_param_free(void); /* 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); @@ -38,25 +65,41 @@ 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 hexkey_ctrl_string "hexkey" +# 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 { - int key_set; + short int key_set; + short int mac_size; + int mac_param_nid; EVP_MD *md; unsigned char key[32]; }; + +struct gost_mac_key { + int mac_param_nid; + unsigned char key[32]; + short int mac_size; +}; /* GOST-specific ASN1 structures */ typedef struct { @@ -85,6 +128,25 @@ typedef struct { /* FIXME incomplete */ 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 @@ -117,29 +179,42 @@ typedef struct { } GOST_CIPHER_PARAMS; 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; +} MASKED_GOST_KEY; + +DECLARE_ASN1_FUNCTIONS(MASKED_GOST_KEY) + /*============== 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; }; -/* 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; 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 { @@ -156,74 +231,190 @@ struct ossl_gost_imit_ctx { int key_meshing; int bytes_left; 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_cpacnt; + +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) /* 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); +/* From gost_ec_keyx.c */ +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 *pctx, unsigned char *key, + size_t *key_len, 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); +/* From gost_ec_keyx.c */ +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_ec_keygen(EC_KEY *ec); + +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, + 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); /* * 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); -/* Unpack GOST R 34.10 signature according to CryptoPro rules */ -DSA_SIG *unpack_cp_signature(const 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 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); +/* 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 : */