#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/ec.h>
+#include <openssl/err.h>
#include <openssl/x509v3.h> /* For string_to_hex */
+#include <openssl/opensslv.h> /* For OPENSSL_VERSION_MAJOR */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-#include "gost_params.h"
#include "gost_lcl.h"
#include "e_gost_err.h"
+#define ossl3_const
+#ifdef OPENSSL_VERSION_MAJOR
+#undef ossl3_const
+#define ossl3_const const
+#endif
+
/* -----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)
{
struct gost_pmeth_data *data;
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
- data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
+
+ data = OPENSSL_malloc(sizeof(*data));
if (!data)
return 0;
- memset(data, 0, sizeof(struct gost_pmeth_data));
+ memset(data, 0, sizeof(*data));
if (pkey && EVP_PKEY_get0(pkey)) {
switch (EVP_PKEY_base_id(pkey)) {
- case NID_id_GostR3410_94:
- data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
- break;
case NID_id_GostR3410_2001:
+ case NID_id_GostR3410_2001DH:
case NID_id_GostR3410_2012_256:
case NID_id_GostR3410_2012_512:
{
}
/* Copies contents of gost_pmeth_data structure */
-static int pkey_gost_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+static int pkey_gost_copy(EVP_PKEY_CTX *dst, ossl3_const EVP_PKEY_CTX *src)
{
struct gost_pmeth_data *dst_data, *src_data;
if (!pkey_gost_init(dst)) {
return 0;
*dst_data = *src_data;
- if (src_data->shared_ukm) {
- dst_data->shared_ukm = NULL;
- }
+
return 1;
}
struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
if (!data)
return;
- if (data->shared_ukm)
- OPENSSL_free(data->shared_ukm);
OPENSSL_free(data);
}
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_2001DH
|| pkey_nid == NID_id_GostR3410_94) {
pctx->md = (EVP_MD *)p2;
return 1;
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)
- return 0;
+ if (p1 > sizeof(pctx->shared_ukm) || !p2) {
+ GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_UKM_NOT_SET);
+ return 0;
+ }
memcpy(pctx->shared_ukm, p2, (int)p1);
+ pctx->shared_ukm_size = p1;
+ return 1;
+ case EVP_PKEY_CTRL_SET_VKO:
+ switch (p1) {
+ case 0: /* switch to KEG */
+ case NID_id_GostR3411_2012_256:
+ case NID_id_GostR3411_2012_512:
+ break;
+ default:
+ GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
+ return 0;
+ }
+ pctx->vko_dgst_nid = p1;
return 1;
+ case EVP_PKEY_CTRL_CIPHER:
+ switch (p1) {
+ case NID_magma_ctr_acpkm:
+ case NID_magma_ctr_acpkm_omac:
+ case NID_magma_ctr:
+ pctx->cipher_nid = NID_magma_ctr;
+ return 1;
+ case NID_kuznyechik_ctr_acpkm:
+ case NID_kuznyechik_ctr_acpkm_omac:
+ case NID_kuznyechik_ctr:
+ pctx->cipher_nid = NID_kuznyechik_ctr;
+ return 1;
+ default:
+ 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 1;
return -2;
}
-static int pkey_gost94_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
+static int pkey_gost_ec_ctrl_str_common(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
{
- int param_nid = 0;
- if (!strcmp(type, param_ctrl_string)) {
- if (!value) {
- return 0;
- }
- if (strlen(value) == 1) {
- switch (toupper((unsigned char)value[0])) {
- case 'A':
- param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
- break;
- case 'B':
- param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
- break;
- case 'C':
- param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
- break;
- case 'D':
- param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
- break;
- default:
- return 0;
- }
- } else if ((strlen(value) == 2)
- && (toupper((unsigned char)value[0]) == 'X')) {
- switch (toupper((unsigned char)value[1])) {
- case 'A':
- param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
- break;
- case 'B':
- param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
- break;
- case 'C':
- param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
- break;
- default:
- return 0;
- }
- } else {
- R3410_params *p = R3410_paramset;
- param_nid = OBJ_txt2nid(value);
- if (param_nid == NID_undef) {
- return 0;
- }
- for (; p->nid != NID_undef; p++) {
- if (p->nid == param_nid)
- break;
- }
- if (p->nid == NID_undef) {
- GOSTerr(GOST_F_PKEY_GOST94_CTRL_STR, GOST_R_INVALID_PARAMSET);
- return 0;
- }
- }
-
- return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
- param_nid, NULL);
+ if (0 == strcmp(type, ukm_ctrl_string)) {
+ unsigned char ukm_buf[32], *tmp = NULL;
+ long len = 0;
+ tmp = OPENSSL_hexstr2buf(value, &len);
+ if (tmp == NULL)
+ return 0;
+
+ if (len > 32) {
+ OPENSSL_free(tmp);
+ GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_COMMON, GOST_R_CTRL_CALL_FAILED);
+ return 0;
}
- return -2;
+ memcpy(ukm_buf, tmp, len);
+ OPENSSL_free(tmp);
+
+ return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_SET_IV, len, ukm_buf);
+ } else if (strcmp(type, vko_ctrl_string) == 0) {
+ int bits = atoi(value);
+ int vko_dgst_nid = 0;
+
+ if (bits == 256)
+ vko_dgst_nid = NID_id_GostR3411_2012_256;
+ else if (bits == 512)
+ vko_dgst_nid = NID_id_GostR3411_2012_512;
+ else if (bits != 0) {
+ GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_COMMON, GOST_R_INVALID_DIGEST_TYPE);
+ return 0;
+ }
+ return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_SET_VKO, vko_dgst_nid, NULL);
+ }
+ return -2;
}
static int pkey_gost_ec_ctrl_str_256(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
{
- int param_nid = 0;
- if (!strcmp(type, param_ctrl_string)) {
+ if (strcmp(type, param_ctrl_string) == 0) {
+ int param_nid = 0;
+
if (!value) {
return 0;
}
default:
return 0;
}
+ } else if ((strlen(value) == 3)
+ && (toupper((unsigned char)value[0]) == 'T')
+ && (toupper((unsigned char)value[1]) == 'C')) {
+ switch (toupper((unsigned char)value[2])) {
+ case 'A':
+ param_nid = NID_id_tc26_gost_3410_2012_256_paramSetA;
+ break;
+ case 'B':
+ param_nid = NID_id_tc26_gost_3410_2012_256_paramSetB;
+ break;
+ case 'C':
+ param_nid = NID_id_tc26_gost_3410_2012_256_paramSetC;
+ break;
+ case 'D':
+ param_nid = NID_id_tc26_gost_3410_2012_256_paramSetD;
+ break;
+ default:
+ return 0;
+ }
} else {
R3410_ec_params *p = R3410_2001_paramset;
param_nid = OBJ_txt2nid(value);
return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
param_nid, NULL);
}
- return -2;
+
+ return pkey_gost_ec_ctrl_str_common(ctx, type, value);
}
static int pkey_gost_ec_ctrl_str_512(EVP_PKEY_CTX *ctx,
int param_nid = NID_undef;
if (strcmp(type, param_ctrl_string))
- return -2;
+ return pkey_gost_ec_ctrl_str_common(ctx, type, value);
if (!value)
return 0;
param_nid = NID_id_tc26_gost_3410_2012_512_paramSetB;
break;
+ case 'C':
+ param_nid = NID_id_tc26_gost_3410_2012_512_paramSetC;
+ break;
+
default:
return 0;
}
return 1;
}
-static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-{
- struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- DSA *dsa = NULL;
- if (!data || data->sign_param_nid == NID_undef) {
- GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
- return 0;
- }
- dsa = DSA_new();
- if (!fill_GOST94_params(dsa, data->sign_param_nid)
- || !EVP_PKEY_assign(pkey, NID_id_GostR3410_94, dsa)) {
- DSA_free(dsa);
- return 0;
- }
- return 1;
-}
-
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 || data->sign_param_nid == NID_undef) {
- GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
+ GOSTerr(GOST_F_PKEY_GOST2001_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
return 0;
}
int result = 0;
if (!data || data->sign_param_nid == NID_undef) {
- GOSTerr(GOST_F_PKEY_GOST12_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
+ GOSTerr(GOST_F_PKEY_GOST2012_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
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:
+ case NID_id_tc26_gost_3410_2012_512_paramSetC:
+ case NID_id_tc26_gost_3410_2012_512_paramSetTest:
result =
(EVP_PKEY_assign(pkey, NID_id_GostR3410_2012_512, ec)) ? 1 : 0;
break;
case NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet:
case NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet:
case NID_id_GostR3410_2001_TestParamSet:
+ case NID_id_tc26_gost_3410_2012_256_paramSetA:
+ case NID_id_tc26_gost_3410_2012_256_paramSetB:
+ case NID_id_tc26_gost_3410_2012_256_paramSetC:
+ case NID_id_tc26_gost_3410_2012_256_paramSetD:
result =
(EVP_PKEY_assign(pkey, NID_id_GostR3410_2012_256, ec)) ? 1 : 0;
break;
}
/* ----------- keygen callbacks --------------------------------------*/
-/* Generates Gost_R3410_94_cp key */
-static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-{
- DSA *dsa;
- if (!pkey_gost94_paramgen(ctx, pkey))
- return 0;
- dsa = EVP_PKEY_get0(pkey);
- gost_sign_keygen(dsa);
- return 1;
-}
-
/* Generates GOST_R3410 2001 key and assigns it using specified type */
static int pkey_gost2001cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
}
/* ----------- sign callbacks --------------------------------------*/
-
-static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
- size_t *siglen, const unsigned char *tbs,
- size_t tbs_len)
+/*
+ * Packs signature according to Cryptopro rules
+ * and frees up ECDSA_SIG structure
+ */
+int pack_sign_cp(ECDSA_SIG *s, int order, unsigned char *sig, size_t *siglen)
{
- DSA_SIG *unpacked_sig = NULL;
- EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
- if (!siglen)
- return 0;
- if (!sig) {
- *siglen = 64; /* better to check size of pkey->pkey.dsa-q */
- return 1;
- }
- unpacked_sig = gost_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
- if (!unpacked_sig) {
- return 0;
- }
- return pack_sign_cp(unpacked_sig, 32, sig, 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(sig_s, sig, order);
+ store_bignum(sig_r, sig + order, order);
+ ECDSA_SIG_free(s);
+ return 1;
}
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;
switch (EVP_PKEY_base_id(pkey)) {
case NID_id_GostR3410_2001:
+ case NID_id_GostR3410_2001DH:
case NID_id_GostR3410_2012_256:
order = 64;
break;
}
/* ------------------- verify callbacks ---------------------------*/
-
-static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
- size_t siglen, const unsigned char *tbs,
- size_t tbs_len)
+/* Unpack signature according to cryptopro rules */
+ECDSA_SIG *unpack_cp_signature(const unsigned char *sigbuf, size_t siglen)
{
- int ok = 0;
- EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
- DSA_SIG *s = (sig) ? unpack_cp_signature(sig, siglen) : NULL;
- if (!s)
- return 0;
- if (pub_key)
- ok = gost_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
- DSA_SIG_free(s);
- return ok;
+ ECDSA_SIG *sig;
+ BIGNUM *r = NULL, *s = NULL;
+
+ sig = ECDSA_SIG_new();
+ if (sig == NULL) {
+ GOSTerr(GOST_F_UNPACK_CP_SIGNATURE, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ 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_gost_ec_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
{
int ok = 0;
EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
- DSA_SIG *s = (sig) ? unpack_cp_signature(sig, siglen) : NULL;
+ ECDSA_SIG *s = (sig) ? unpack_cp_signature(sig, siglen) : NULL;
if (!s)
return 0;
#ifdef DEBUG_SIGN
fprintf(stderr, "R=");
- BN_print_fp(stderr, s->r);
+ BN_print_fp(stderr, ECDSA_SIG_get0_r(s));
fprintf(stderr, "\nS=");
- BN_print_fp(stderr, s->s);
+ BN_print_fp(stderr, ECDSA_SIG_get0_s(s));
fprintf(stderr, "\n");
#endif
if (pub_key)
ok = gost_ec_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
- DSA_SIG_free(s);
+ ECDSA_SIG_free(s);
return ok;
}
/* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
{
- struct gost_mac_pmeth_data *data;
- data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
+ 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(struct gost_mac_pmeth_data));
+ 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, 8);
+}
+
+static int pkey_gost_grasshopper_mac_init(EVP_PKEY_CTX *ctx)
+{
+ return pkey_gost_omac_init(ctx, 16);
+}
+
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);
}
-static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, ossl3_const EVP_PKEY_CTX *src)
{
struct gost_mac_pmeth_data *dst_data, *src_data;
if (!pkey_gost_mac_init(dst)) {
data->md = (EVP_MD *)p2;
return 1;
}
- break;
case EVP_PKEY_CTRL_GET_MD:
*(const EVP_MD **)p2 = data->md;
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;
if (!data->key_set) {
+ struct gost_mac_key *key;
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
if (!pkey) {
GOSTerr(GOST_F_PKEY_GOST_MAC_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 {
- 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;
static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
{
- if (!strcmp(type, key_ctrl_string)) {
+ if (strcmp(type, key_ctrl_string) == 0) {
if (strlen(value) != 32) {
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
GOST_R_INVALID_MAC_KEY_LENGTH);
return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
32, (char *)value);
}
- if (!strcmp(type, hexkey_ctrl_string)) {
- long keylen = 0;
+ if (strcmp(type, hexkey_ctrl_string) == 0) {
+ long keylen;
int ret;
unsigned char *keybuf = string_to_hex(value, &keylen);
if (!keybuf || keylen != 32) {
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_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
+ && nid != NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac /* FIXME beldmit */
+ && nid != NID_id_tc26_cipher_gostr3412_2015_magma_ctracpkm_omac) {
+ 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;
+ if (!data->key_set) {
+ struct gost_mac_key *key;
+ 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;
+ struct gost_mac_key *keydata;
if (!data || !data->key_set) {
- GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN, GOST_R_MAC_KEY_NOT_SET);
+ GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN_BASE, GOST_R_MAC_KEY_NOT_SET);
return 0;
}
- keydata = OPENSSL_malloc(32);
- if (!keydata)
+ keydata = OPENSSL_malloc(sizeof(struct gost_mac_key));
+ if (keydata == NULL)
return 0;
- memcpy(keydata, data->key, 32);
+ 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;
}
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;
}
{
unsigned int tmpsiglen;
int ret;
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
if (!siglen)
return 0;
* 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_XOF_LEN, data->mac_size, NULL);
ret = EVP_DigestFinal_ex(mctx, sig, &tmpsiglen);
- *siglen = tmpsiglen;
+ *siglen = data->mac_size;
return ret;
}
+/* ----------- misc callbacks -------------------------------------*/
+
+/* Callback for both EVP_PKEY_check() and EVP_PKEY_public_check. */
+static int pkey_gost_check(EVP_PKEY *pkey)
+{
+ return EC_KEY_check_key(EVP_PKEY_get0(pkey));
+}
+
/* ----------------------------------------------------------------*/
int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth, int flags)
{
return 0;
switch (id) {
- case NID_id_GostR3410_94:
- EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost94_ctrl_str);
- EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost94cp_keygen);
- EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
- EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
- EVP_PKEY_meth_set_encrypt(*pmeth,
- pkey_gost_encrypt_init,
- pkey_GOST94cp_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
- EVP_PKEY_meth_set_derive(*pmeth,
- pkey_gost_derive_init, pkey_gost94_derive);
- EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
- pkey_gost94_paramgen);
- break;
case NID_id_GostR3410_2001:
+ case NID_id_GostR3410_2001DH:
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_encrypt(*pmeth,
pkey_gost_encrypt_init,
- pkey_GOST_ECcp_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST_ECcp_decrypt);
+ pkey_gost_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_gost_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_gost2001_paramgen);
+ EVP_PKEY_meth_set_check(*pmeth, pkey_gost_check);
+ EVP_PKEY_meth_set_public_check(*pmeth, pkey_gost_check);
break;
case NID_id_GostR3410_2012_256:
EVP_PKEY_meth_set_ctrl(*pmeth,
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);
+ pkey_gost_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_gost_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);
+ EVP_PKEY_meth_set_check(*pmeth, pkey_gost_check);
+ EVP_PKEY_meth_set_public_check(*pmeth, pkey_gost_check);
break;
case NID_id_GostR3410_2012_512:
EVP_PKEY_meth_set_ctrl(*pmeth,
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);
+ pkey_gost_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_gost_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);
+ EVP_PKEY_meth_set_check(*pmeth, pkey_gost_check);
+ EVP_PKEY_meth_set_public_check(*pmeth, pkey_gost_check);
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_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:
+ case NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac: /* FIXME beldmit */
+ 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;
}
projects / openssl-gost / engine.git / blobdiff