Index: openssl/engines/ccgost/gost_lcl.h |
=================================================================== |
--- openssl/engines/ccgost/gost_lcl.h (revision 0) |
+++ openssl/engines/ccgost/gost_lcl.h (revision 0) |
@@ -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 |