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);
case EVP_PKEY_CTRL_MD:
{
int nid = EVP_MD_type((const EVP_MD *)p2);
- if (nid != NID_id_Gost28147_89_MAC && nid != NID_gost_mac_12
- && nid != NID_magma_mac && nid != NID_grasshopper_mac) {
+ 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;
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) {
+ 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)
{
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);
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)
{
EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
return 1;
-/* TODO
case NID_magma_mac:
- 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,
+ 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_mac_keygen_12);
- EVP_PKEY_meth_set_init(*pmeth, pkey_gost_mac_init);
+ 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_mac_ctrl,
- pkey_gost_mac_ctrl_str);
- EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_mac_signctx_init,
+ 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_mac_keygen_12);
- EVP_PKEY_meth_set_init(*pmeth, pkey_gost_mac_init);
+ 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