/**********************************************************************
* gost_pmeth.c *
- * Copyright (c) 2005-2006 Cryptocom LTD *
+ * Copyright (c) 2005-2013 Cryptocom LTD *
* This file is distributed under the same license as OpenSSL *
* *
* Implementation of RFC 4357 (GOST R 34.10) Publick key method *
* for OpenSSL *
- * Requires OpenSSL 0.9.9 for compilation *
+ * Requires OpenSSL 1.0.0+ for compilation *
**********************************************************************/
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <ctype.h>
#include "gost_lcl.h"
#include "e_gost_err.h"
-/* -----init, cleanup, copy - uniform for all algs ---------------*/
+
+/* -----init, cleanup, copy - uniform for all algs --------------*/
/* Allocates new gost_pmeth_data structure and assigns it as data */
static int pkey_gost_init(EVP_PKEY_CTX *ctx)
{
if (pkey && EVP_PKEY_get0(pkey)) {
switch (EVP_PKEY_base_id(pkey)) {
case NID_id_GostR3410_2001:
- data->sign_param_nid =
- EC_GROUP_get_curve_name(EC_KEY_get0_group
- (EVP_PKEY_get0((EVP_PKEY *)pkey)));
- break;
+ case NID_id_GostR3410_2012_256:
+ case NID_id_GostR3410_2012_512:
+ {
+ const EC_GROUP *group =
+ EC_KEY_get0_group(EVP_PKEY_get0((EVP_PKEY *)pkey));
+ if (group != NULL) {
+ data->sign_param_nid = EC_GROUP_get_curve_name(group);
+ break;
+ }
+ /* else */
+ }
default:
+ OPENSSL_free(data);
return 0;
}
}
}
src_data = EVP_PKEY_CTX_get_data(src);
dst_data = EVP_PKEY_CTX_get_data(dst);
+ if (!src_data || !dst_data)
+ return 0;
+
*dst_data = *src_data;
if (src_data->shared_ukm) {
dst_data->shared_ukm = NULL;
static void pkey_gost_cleanup(EVP_PKEY_CTX *ctx)
{
struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
-
+ if (!data)
+ return;
OPENSSL_free(data->shared_ukm);
OPENSSL_free(data);
}
{
struct gost_pmeth_data *pctx =
(struct gost_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
+ if (pctx == NULL)
+ return 0;
+
switch (type) {
case EVP_PKEY_CTRL_MD:
{
- if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94) {
- GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
- return 0;
+ EVP_PKEY *key = EVP_PKEY_CTX_get0_pkey(ctx);
+ int pkey_nid = (key == NULL) ? NID_undef : EVP_PKEY_base_id(key);
+
+ OPENSSL_assert(p2 != NULL);
+
+ switch (EVP_MD_type((const EVP_MD *)p2)) {
+ case NID_id_GostR3411_94:
+ if (pkey_nid == NID_id_GostR3410_2001
+ || pkey_nid == NID_id_GostR3410_94) {
+ pctx->md = (EVP_MD *)p2;
+ return 1;
+ }
+ break;
+
+ case NID_id_GostR3411_2012_256:
+ if (pkey_nid == NID_id_GostR3410_2012_256) {
+ pctx->md = (EVP_MD *)p2;
+ return 1;
+ }
+ break;
+
+ case NID_id_GostR3411_2012_512:
+ if (pkey_nid == NID_id_GostR3410_2012_512) {
+ pctx->md = (EVP_MD *)p2;
+ return 1;
+ }
+ break;
}
- pctx->md = (EVP_MD *)p2;
- return 1;
+
+ GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
+ return 0;
}
case EVP_PKEY_CTRL_GET_MD:
pctx->sign_param_nid = (int)p1;
return 1;
case EVP_PKEY_CTRL_SET_IV:
+ OPENSSL_assert(p2 != NULL);
pctx->shared_ukm = OPENSSL_malloc((int)p1);
if (pctx->shared_ukm == NULL) {
GOSTerr(GOST_F_PKEY_GOST_CTRL, ERR_R_MALLOC_FAILURE);
return 0;
}
memcpy(pctx->shared_ukm, p2, (int)p1);
+ pctx->shared_ukm_size = p1;
+ return 1;
+ case EVP_PKEY_CTRL_CIPHER:
+ pctx->cipher_nid = p1;
return 1;
case EVP_PKEY_CTRL_PEER_KEY:
if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
return pctx->peer_key_used;
if (p1 == 3) /* TLS: peer key used! */
return (pctx->peer_key_used = 1);
- return -2;
+ break;
}
+
+ GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_CTRL_CALL_FAILED);
return -2;
}
-static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
+static int pkey_gost_ec_ctrl_str_256(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
{
int param_nid = 0;
return 0;
}
} else {
- R3410_2001_params *p = R3410_2001_paramset;
+ R3410_ec_params *p = R3410_2001_paramset;
param_nid = OBJ_txt2nid(value);
if (param_nid == NID_undef) {
return 0;
break;
}
if (p->nid == NID_undef) {
- GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR, GOST_R_INVALID_PARAMSET);
+ GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_256,
+ GOST_R_INVALID_PARAMSET);
return 0;
}
}
return -2;
}
+static int pkey_gost_ec_ctrl_str_512(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+{
+ int param_nid = NID_undef;
+
+ if (strcmp(type, param_ctrl_string))
+ return -2;
+
+ if (!value)
+ return 0;
+
+ if (strlen(value) == 1) {
+ switch (toupper((unsigned char)value[0])) {
+ case 'A':
+ param_nid = NID_id_tc26_gost_3410_2012_512_paramSetA;
+ break;
+
+ case 'B':
+ param_nid = NID_id_tc26_gost_3410_2012_512_paramSetB;
+ break;
+
+ default:
+ return 0;
+ }
+ } else {
+ R3410_ec_params *p = R3410_2012_512_paramset;
+ param_nid = OBJ_txt2nid(value);
+ if (param_nid == NID_undef)
+ return 0;
+
+ while (p->nid != NID_undef && p->nid != param_nid)
+ p++;
+
+ if (p->nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_512,
+ GOST_R_INVALID_PARAMSET);
+ return 0;
+ }
+ }
+
+ return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET, param_nid, NULL);
+}
+
/* --------------------- key generation --------------------------------*/
static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx)
return 1;
}
-static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+static int pkey_gost2001_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
EC_KEY *ec = NULL;
- if (data->sign_param_nid == NID_undef) {
- GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
+ if (!data || data->sign_param_nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST2001_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
return 0;
}
- if (!ec)
- ec = EC_KEY_new();
- if (!fill_GOST2001_params(ec, data->sign_param_nid)) {
+
+ ec = EC_KEY_new();
+ if (!fill_GOST_EC_params(ec, data->sign_param_nid)
+ || !EVP_PKEY_assign(pkey, NID_id_GostR3410_2001, ec)) {
EC_KEY_free(ec);
return 0;
}
- EVP_PKEY_assign(pkey, NID_id_GostR3410_2001, ec);
return 1;
}
+static int pkey_gost2012_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+ EC_KEY *ec;
+ int result = 0;
+
+ if (!data || data->sign_param_nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST2012_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+
+ ec = EC_KEY_new();
+ if (!fill_GOST_EC_params(ec, data->sign_param_nid)) {
+ EC_KEY_free(ec);
+ return 0;
+ }
+
+ switch (data->sign_param_nid) {
+ case NID_id_tc26_gost_3410_2012_512_paramSetA:
+ case NID_id_tc26_gost_3410_2012_512_paramSetB:
+ result =
+ (EVP_PKEY_assign(pkey, NID_id_GostR3410_2012_512, ec)) ? 1 : 0;
+ break;
+
+ case NID_id_GostR3410_2001_CryptoPro_A_ParamSet:
+ case NID_id_GostR3410_2001_CryptoPro_B_ParamSet:
+ case NID_id_GostR3410_2001_CryptoPro_C_ParamSet:
+ case NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet:
+ case NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet:
+ case NID_id_GostR3410_2001_TestParamSet:
+ result =
+ (EVP_PKEY_assign(pkey, NID_id_GostR3410_2012_256, ec)) ? 1 : 0;
+ break;
+ default:
+ result = 0;
+ break;
+ }
+
+ if (result == 0)
+ EC_KEY_free(ec);
+
+ return result;
+}
+
+/* ----------- keygen callbacks --------------------------------------*/
/* Generates GOST_R3410 2001 key and assigns it using specified type */
-static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+static int pkey_gost2001cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
EC_KEY *ec;
- if (!pkey_gost01_paramgen(ctx, pkey))
+ if (!pkey_gost2001_paramgen(ctx, pkey))
return 0;
ec = EVP_PKEY_get0(pkey);
- gost2001_keygen(ec);
+ gost_ec_keygen(ec);
+ return 1;
+}
+
+/* Generates GOST_R3410 2012 key and assigns it using specified type */
+static int pkey_gost2012cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ if (!pkey_gost2012_paramgen(ctx, pkey))
+ return 0;
+
+ gost_ec_keygen(EVP_PKEY_get0(pkey));
return 1;
}
/* ----------- sign callbacks --------------------------------------*/
/*
* Packs signature according to Cryptopro rules
- * and frees up DSA_SIG structure
+ * and frees up ECDSA_SIG structure
*/
-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)
{
+ const BIGNUM *sig_r = NULL, *sig_s = NULL;
+ ECDSA_SIG_get0(s, &sig_r, &sig_s);
*siglen = 2 * order;
memset(sig, 0, *siglen);
- store_bignum(s->s, sig, order);
- store_bignum(s->r, sig + order, order);
- DSA_SIG_free(s);
+ store_bignum(sig_s, sig, order);
+ store_bignum(sig_r, sig + order, order);
+ ECDSA_SIG_free(s);
return 1;
}
-
-static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
- size_t *siglen, const unsigned char *tbs,
- size_t tbs_len)
+static int pkey_gost_ec_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
+ size_t *siglen, const unsigned char *tbs,
+ size_t tbs_len)
{
- DSA_SIG *unpacked_sig = NULL;
+ ECDSA_SIG *unpacked_sig = NULL;
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+ int order = 0;
+
if (!siglen)
return 0;
+ if (!pkey)
+ return 0;
+
+ switch (EVP_PKEY_base_id(pkey)) {
+ case NID_id_GostR3410_2001:
+ case NID_id_GostR3410_2012_256:
+ order = 64;
+ break;
+ case NID_id_GostR3410_2012_512:
+ order = 128;
+ break;
+ default:
+ return 0;
+ }
+
if (!sig) {
- *siglen = 64; /* better to check size of curve order */
+ *siglen = order;
return 1;
}
- unpacked_sig = gost2001_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
+ unpacked_sig = gost_ec_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
if (!unpacked_sig) {
return 0;
}
- return pack_sign_cp(unpacked_sig, 32, sig, siglen);
+ return pack_sign_cp(unpacked_sig, order / 2, sig, siglen);
}
/* ------------------- verify callbacks ---------------------------*/
/* Unpack signature according to cryptopro rules */
-DSA_SIG *unpack_cp_signature(const unsigned char *sig, size_t siglen)
+ECDSA_SIG *unpack_cp_signature(const unsigned char *sigbuf, size_t siglen)
{
- DSA_SIG *s;
+ ECDSA_SIG *sig;
+ BIGNUM *r = NULL, *s = NULL;
- s = DSA_SIG_new();
- if (s == NULL) {
+ sig = ECDSA_SIG_new();
+ if (sig == NULL) {
GOSTerr(GOST_F_UNPACK_CP_SIGNATURE, ERR_R_MALLOC_FAILURE);
return NULL;
}
- s->s = BN_bin2bn(sig, siglen / 2, NULL);
- s->r = BN_bin2bn(sig + siglen / 2, siglen / 2, NULL);
- return s;
+ s = BN_bin2bn(sigbuf, siglen / 2, NULL);
+ r = BN_bin2bn(sigbuf + siglen / 2, siglen / 2, NULL);
+ ECDSA_SIG_set0(sig, r, s);
+ return sig;
}
-
-static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
- size_t siglen, const unsigned char *tbs,
- size_t tbs_len)
+static int pkey_gost_ec_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
+ size_t siglen, const unsigned char *tbs,
+ size_t tbs_len)
{
int ok = 0;
EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
- DSA_SIG *s = unpack_cp_signature(sig, siglen);
+ ECDSA_SIG *s = (sig) ? unpack_cp_signature(sig, siglen) : NULL;
if (!s)
return 0;
#ifdef DEBUG_SIGN
fprintf(stderr, "\n");
#endif
if (pub_key)
- ok = gost2001_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
- DSA_SIG_free(s);
+ ok = gost_ec_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
+ ECDSA_SIG_free(s);
return ok;
}
static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
{
struct gost_mac_pmeth_data *data = OPENSSL_malloc(sizeof(*data));
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+
+ if (!data)
+ return 0;
+ memset(data, 0, sizeof(*data));
+ data->mac_size = 4;
+ data->mac_param_nid = NID_undef;
+
+ if (pkey) {
+ struct gost_mac_key *key = EVP_PKEY_get0(pkey);
+ if (key) {
+ data->mac_param_nid = key->mac_param_nid;
+ data->mac_size = key->mac_size;
+ }
+ }
+
+ EVP_PKEY_CTX_set_data(ctx, data);
+ return 1;
+}
+
+static int pkey_gost_omac_init(EVP_PKEY_CTX *ctx, size_t mac_size)
+{
+ struct gost_mac_pmeth_data *data = OPENSSL_malloc(sizeof(*data));
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
if (!data)
return 0;
memset(data, 0, sizeof(*data));
+ data->mac_size = mac_size;
+ data->mac_param_nid = NID_undef;
+
+ if (pkey) {
+ struct gost_mac_key *key = EVP_PKEY_get0(pkey);
+ if (key) {
+ data->mac_param_nid = key->mac_param_nid;
+ data->mac_size = key->mac_size;
+ }
+ }
+
EVP_PKEY_CTX_set_data(ctx, data);
return 1;
}
+static int pkey_gost_magma_mac_init(EVP_PKEY_CTX *ctx)
+{
+ return pkey_gost_omac_init(ctx, 4);
+}
+
+static int pkey_gost_grasshopper_mac_init(EVP_PKEY_CTX *ctx)
+{
+ return pkey_gost_omac_init(ctx, 8);
+}
+
static void pkey_gost_mac_cleanup(EVP_PKEY_CTX *ctx)
{
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- OPENSSL_free(data);
+ if (data)
+ OPENSSL_free(data);
}
static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
}
src_data = EVP_PKEY_CTX_get_data(src);
dst_data = EVP_PKEY_CTX_get_data(dst);
+ if (!src_data || !dst_data)
+ return 0;
+
*dst_data = *src_data;
return 1;
}
switch (type) {
case EVP_PKEY_CTRL_MD:
{
- if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC) {
+ int nid = EVP_MD_type((const EVP_MD *)p2);
+ if (nid != NID_id_Gost28147_89_MAC && nid != NID_gost_mac_12) {
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
GOST_R_INVALID_DIGEST_TYPE);
return 0;
memcpy(data->key, p2, 32);
data->key_set = 1;
return 1;
+ case EVP_PKEY_CTRL_GOST_PARAMSET:
+ {
+ struct gost_cipher_info *param = p2;
+ data->mac_param_nid = param->nid;
+ return 1;
+ }
case EVP_PKEY_CTRL_DIGESTINIT:
{
EVP_MD_CTX *mctx = p2;
- void *key;
+ struct gost_mac_key *key;
if (!data->key_set) {
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
if (!pkey) {
GOST_R_MAC_KEY_NOT_SET);
return 0;
}
+ return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
+ (mctx, EVP_MD_CTRL_SET_KEY, 0, key);
} else {
- key = &(data->key);
+ return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
+ (mctx, EVP_MD_CTRL_SET_KEY, 32, &(data->key));
+ }
+ }
+ case EVP_PKEY_CTRL_MAC_LEN:
+ {
+ if (p1 < 1 || p1 > 8) {
+
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_MAC_SIZE);
+ return 0;
}
- return mctx->digest->md_ctrl(mctx, EVP_MD_CTRL_SET_KEY, 32, key);
+ data->mac_size = p1;
+ return 1;
}
}
return -2;
return ret;
}
+ if (!strcmp(type, maclen_ctrl_string)) {
+ char *endptr;
+ long size = strtol(value, &endptr, 10);
+ if (*endptr != '\0') {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR, GOST_R_INVALID_MAC_SIZE);
+ return 0;
+ }
+ return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_MAC_LEN, size, NULL);
+ }
+ if (strcmp(type, param_ctrl_string) == 0) {
+ ASN1_OBJECT *obj = OBJ_txt2obj(value, 0);
+ const struct gost_cipher_info *param = NULL;
+ if (obj == NULL) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR, GOST_R_INVALID_MAC_PARAMS);
+ return 0;
+ }
+
+ param = get_encryption_params(obj);
+ ASN1_OBJECT_free(obj);
+ if (param == NULL) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR, GOST_R_INVALID_MAC_PARAMS);
+ return 0;
+ }
+
+
+ return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET, 0,
+ (void *)param);
+ }
return -2;
}
-static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+static int pkey_gost_omac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2, size_t max_size)
+{
+ struct gost_mac_pmeth_data *data =
+ (struct gost_mac_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
+
+ switch (type) {
+ case EVP_PKEY_CTRL_MD:
+ {
+ int nid = EVP_MD_type((const EVP_MD *)p2);
+ if (nid != NID_magma_mac && nid != NID_grasshopper_mac) {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL,
+ GOST_R_INVALID_DIGEST_TYPE);
+ return 0;
+ }
+ data->md = (EVP_MD *)p2;
+ return 1;
+ }
+
+ case EVP_PKEY_CTRL_GET_MD:
+ *(const EVP_MD **)p2 = data->md;
+ return 1;
+
+ case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
+ case EVP_PKEY_CTRL_PKCS7_DECRYPT:
+ case EVP_PKEY_CTRL_PKCS7_SIGN:
+ return 1;
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if (p1 != 32) {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL, GOST_R_INVALID_MAC_KEY_LENGTH);
+ return 0;
+ }
+
+ memcpy(data->key, p2, 32);
+ data->key_set = 1;
+ return 1;
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ {
+ EVP_MD_CTX *mctx = p2;
+ struct gost_mac_key *key;
+ if (!data->key_set) {
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+ if (!pkey) {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL,
+ GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+ key = EVP_PKEY_get0(pkey);
+ if (!key) {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL,
+ GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+ return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
+ (mctx, EVP_MD_CTRL_SET_KEY, 0, key);
+ } else {
+ return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
+ (mctx, EVP_MD_CTRL_SET_KEY, 32, &(data->key));
+ }
+ }
+ case EVP_PKEY_CTRL_MAC_LEN:
+ {
+ if (p1 < 1 || p1 > max_size) {
+
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL, GOST_R_INVALID_MAC_SIZE);
+ return 0;
+ }
+ data->mac_size = p1;
+ return 1;
+ }
+ }
+ return -2;
+}
+
+static int pkey_gost_magma_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+ return pkey_gost_omac_ctrl(ctx, type, p1, p2, 8);
+}
+
+static int pkey_gost_grasshopper_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+ return pkey_gost_omac_ctrl(ctx, type, p1, p2, 16);
+}
+
+static int pkey_gost_omac_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value, size_t max_size)
+{
+ if (strcmp(type, key_ctrl_string) == 0) {
+ if (strlen(value) != 32) {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL_STR,
+ GOST_R_INVALID_MAC_KEY_LENGTH);
+ return 0;
+ }
+ return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
+ 32, (char *)value);
+ }
+ if (strcmp(type, hexkey_ctrl_string) == 0) {
+ long keylen;
+ int ret;
+ unsigned char *keybuf = string_to_hex(value, &keylen);
+ if (!keybuf || keylen != 32) {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL_STR,
+ GOST_R_INVALID_MAC_KEY_LENGTH);
+ OPENSSL_free(keybuf);
+ return 0;
+ }
+ ret = pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, 32, keybuf);
+ OPENSSL_free(keybuf);
+ return ret;
+
+ }
+ if (!strcmp(type, maclen_ctrl_string)) {
+ char *endptr;
+ long size = strtol(value, &endptr, 10);
+ if (*endptr != '\0') {
+ GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL_STR, GOST_R_INVALID_MAC_SIZE);
+ return 0;
+ }
+ return pkey_gost_omac_ctrl(ctx, EVP_PKEY_CTRL_MAC_LEN, size, NULL, max_size);
+ }
+ return -2;
+}
+
+static int pkey_gost_magma_mac_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+{
+ return pkey_gost_omac_ctrl_str(ctx, type, value, 8);
+}
+
+static int pkey_gost_grasshopper_mac_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+{
+ return pkey_gost_omac_ctrl_str(ctx, type, value, 8);
+}
+
+static int pkey_gost_mac_keygen_base(EVP_PKEY_CTX *ctx,
+ EVP_PKEY *pkey, int mac_nid)
{
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- unsigned char *keydata;
- if (!data->key_set) {
- GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN, GOST_R_MAC_KEY_NOT_SET);
+ struct gost_mac_key *keydata;
+ if (!data || !data->key_set) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN_BASE, GOST_R_MAC_KEY_NOT_SET);
return 0;
}
- keydata = OPENSSL_malloc(32);
+ keydata = OPENSSL_malloc(sizeof(struct gost_mac_key));
if (keydata == NULL)
return 0;
- memcpy(keydata, data->key, 32);
- EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
+ memcpy(keydata->key, data->key, 32);
+ keydata->mac_param_nid = data->mac_param_nid;
+ keydata->mac_size = data->mac_size;
+ EVP_PKEY_assign(pkey, mac_nid, keydata);
return 1;
}
+static int pkey_gost_mac_keygen_12(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ return pkey_gost_mac_keygen_base(ctx, pkey, NID_gost_mac_12);
+}
+
+static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ return pkey_gost_mac_keygen_base(ctx, pkey, NID_id_Gost28147_89_MAC);
+}
+
+static int pkey_gost_magma_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ return pkey_gost_mac_keygen_base(ctx, pkey, NID_magma_mac);
+}
+
+static int pkey_gost_grasshopper_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ return pkey_gost_mac_keygen_base(ctx, pkey, NID_grasshopper_mac);
+}
+
static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
{
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+
+ if (data == NULL) {
+ pkey_gost_mac_init(ctx);
+ }
+
+ data = EVP_PKEY_CTX_get_data(ctx);
+ if (!data) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_SIGNCTX_INIT, GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int pkey_gost_magma_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+{
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+
+ if (data == NULL) {
+ pkey_gost_omac_init(ctx, 4);
+ }
+
+ data = EVP_PKEY_CTX_get_data(ctx);
+ if (!data) {
+ GOSTerr(GOST_F_PKEY_GOST_MAGMA_MAC_SIGNCTX_INIT, GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int pkey_gost_grasshopper_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+{
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+
+ if (data == NULL) {
+ pkey_gost_omac_init(ctx, 8);
+ }
+
+ data = EVP_PKEY_CTX_get_data(ctx);
+ if (!data) {
+ GOSTerr(GOST_F_PKEY_GOST_GRASSHOPPER_MAC_SIGNCTX_INIT, GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+
return 1;
}
static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
size_t *siglen, EVP_MD_CTX *mctx)
{
- unsigned int tmpsiglen = *siglen; /* for platforms where
- * sizeof(int)!=sizeof(size_t) */
+ unsigned int tmpsiglen;
int ret;
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+
+ if (!siglen)
+ return 0;
+ tmpsiglen = *siglen; /* for platforms where sizeof(int) !=
+ * sizeof(size_t) */
+
if (!sig) {
- *siglen = 4;
+ *siglen = data->mac_size;
return 1;
}
+
+ EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
+ (mctx, EVP_MD_CTRL_MAC_LEN, data->mac_size, NULL);
ret = EVP_DigestFinal_ex(mctx, sig, &tmpsiglen);
- *siglen = tmpsiglen;
+ *siglen = data->mac_size;
return ret;
}
switch (id) {
case NID_id_GostR3410_2001:
- EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl01_str);
- EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
- EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
+ EVP_PKEY_meth_set_ctrl(*pmeth,
+ pkey_gost_ctrl, pkey_gost_ec_ctrl_str_256);
+ EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost_ec_cp_sign);
+ EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost_ec_cp_verify);
- EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost2001cp_keygen);
EVP_PKEY_meth_set_encrypt(*pmeth,
pkey_gost_encrypt_init,
- pkey_GOST01cp_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
+ pkey_GOST_ECcp_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST_ECcp_decrypt);
EVP_PKEY_meth_set_derive(*pmeth,
- pkey_gost_derive_init, pkey_gost2001_derive);
+ pkey_gost_derive_init, pkey_gost_ec_derive);
EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
- pkey_gost01_paramgen);
+ pkey_gost2001_paramgen);
+ break;
+ case NID_id_GostR3410_2012_256:
+ EVP_PKEY_meth_set_ctrl(*pmeth,
+ pkey_gost_ctrl, pkey_gost_ec_ctrl_str_256);
+ EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost_ec_cp_sign);
+ EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost_ec_cp_verify);
+
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost2012cp_keygen);
+
+ EVP_PKEY_meth_set_encrypt(*pmeth,
+ pkey_gost_encrypt_init,
+ pkey_GOST_ECcp_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST_ECcp_decrypt);
+ EVP_PKEY_meth_set_derive(*pmeth,
+ pkey_gost_derive_init, pkey_gost_ec_derive);
+ EVP_PKEY_meth_set_paramgen(*pmeth,
+ pkey_gost_paramgen_init,
+ pkey_gost2012_paramgen);
+ break;
+ case NID_id_GostR3410_2012_512:
+ EVP_PKEY_meth_set_ctrl(*pmeth,
+ pkey_gost_ctrl, pkey_gost_ec_ctrl_str_512);
+ EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost_ec_cp_sign);
+ EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost_ec_cp_verify);
+
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost2012cp_keygen);
+
+ EVP_PKEY_meth_set_encrypt(*pmeth,
+ pkey_gost_encrypt_init,
+ pkey_GOST_ECcp_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST_ECcp_decrypt);
+ EVP_PKEY_meth_set_derive(*pmeth,
+ pkey_gost_derive_init, pkey_gost_ec_derive);
+ EVP_PKEY_meth_set_paramgen(*pmeth,
+ pkey_gost_paramgen_init,
+ pkey_gost2012_paramgen);
break;
case NID_id_Gost28147_89_MAC:
EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_mac_ctrl,
EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
return 1;
+ case NID_gost_mac_12:
+ EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_mac_ctrl,
+ pkey_gost_mac_ctrl_str);
+ EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_mac_signctx_init,
+ pkey_gost_mac_signctx);
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_mac_keygen_12);
+ EVP_PKEY_meth_set_init(*pmeth, pkey_gost_mac_init);
+ EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
+ EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
+ return 1;
+ case NID_magma_mac:
+ EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_magma_mac_ctrl,
+ pkey_gost_magma_mac_ctrl_str);
+ EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_magma_mac_signctx_init,
+ pkey_gost_mac_signctx);
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_magma_mac_keygen);
+ EVP_PKEY_meth_set_init(*pmeth, pkey_gost_magma_mac_init);
+ EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
+ EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
+ return 1;
+ case NID_grasshopper_mac:
+ EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_grasshopper_mac_ctrl,
+ pkey_gost_grasshopper_mac_ctrl_str);
+ EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_grasshopper_mac_signctx_init,
+ pkey_gost_mac_signctx);
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_grasshopper_mac_keygen);
+ EVP_PKEY_meth_set_init(*pmeth, pkey_gost_grasshopper_mac_init);
+ EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
+ EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
+ return 1;
default: /* Unsupported method */
return 0;
}