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));
if (!data) return 0;
memset(data,0,sizeof(struct gost_pmeth_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:
+ data->sign_param_nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(EVP_PKEY_get0((EVP_PKEY *)pkey)));
+ break;
+ default:
+ return 0;
+ }
+ }
EVP_PKEY_CTX_set_data(ctx,data);
return 1;
}
src_data = EVP_PKEY_CTX_get_data(src);
dst_data = EVP_PKEY_CTX_get_data(dst);
*dst_data = *src_data;
- if (src_data -> eph_seckey)
- {
- dst_data ->eph_seckey = NULL;
- }
+ if (src_data -> shared_ukm) {
+ dst_data->shared_ukm=NULL;
+ }
return 1;
}
static void pkey_gost_cleanup (EVP_PKEY_CTX *ctx)
{
struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- if (data->eph_seckey) EVP_PKEY_free(data->eph_seckey);
+ if (data->shared_ukm) OPENSSL_free(data->shared_ukm);
OPENSSL_free(data);
}
/* --------------------- control functions ------------------------------*/
-static int pkey_gost_ctrl (EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
struct gost_pmeth_data *pctx = (struct gost_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
switch (type)
case EVP_PKEY_CTRL_GOST_PARAMSET:
pctx->sign_param_nid = (int)p1;
return 1;
+ case EVP_PKEY_CTRL_SET_IV:
+ pctx->shared_ukm=OPENSSL_malloc((int)p1);
+ memcpy(pctx->shared_ukm,p2,(int) p1);
+ return 1;
}
return -2;
}
-static int pkey_gost_ctrl94cc_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if(!strcmp(type, param_ctrl_string))
- {
- return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
- NID_id_GostR3410_94_CryptoPro_A_ParamSet,
- NULL);
- }
- return -2;
- }
-
-static int pkey_gost_ctrl01cc_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if(!strcmp(type, param_ctrl_string))
- {
- return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
- NID_id_GostR3410_2001_ParamSet_cc,NULL);
- }
- return -2;
- }
static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
}
/* --------------------- key generation --------------------------------*/
-/* Generates GOST 94 key and assigns it setting specified type */
-static int pkey_gost94_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey,int type)
+
+static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx) {
+ 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->sign_param_nid == NID_undef)
{
- if (type== NID_id_GostR3410_94_cc)
- {
- data->sign_param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
- }
- else
- {
- GOSTerr(GOST_F_PKEY_GOST94_KEYGEN,
+ 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))
DSA_free(dsa);
return 0;
}
- gost_sign_keygen(dsa);
- EVP_PKEY_assign(pkey,type,dsa);
+ EVP_PKEY_assign(pkey,NID_id_GostR3410_94,dsa);
return 1;
}
-
-/* Generates Gost_R3410_94_cc key */
-static int pkey_gost94cc_keygen (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- return pkey_gost94_keygen(ctx,pkey,NID_id_GostR3410_94_cc);
- }
-
-/* Generates Gost_R3410_94_cp key */
-static int pkey_gost94cp_keygen (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- return pkey_gost94_keygen(ctx,pkey,NID_id_GostR3410_94);
- }
-
-/* Generates GOST_R3410 2001 key and assigns it using specified type */
-static int pkey_gost01_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey,int type)
+static int pkey_gost01_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)
{
- if (type == NID_id_GostR3410_2001_cc)
- {
- data->sign_param_nid = NID_id_GostR3410_2001_ParamSet_cc;
- }
- else {
- GOSTerr(GOST_F_PKEY_GOST01_KEYGEN,
+ GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN,
GOST_R_NO_PARAMETERS_SET);
return 0;
- }
}
- ec = EC_KEY_new();
+ if (!ec)
+ ec = EC_KEY_new();
if (!fill_GOST2001_params(ec,data->sign_param_nid))
{
EC_KEY_free(ec);
return 0;
}
- gost2001_keygen(ec);
-
- EVP_PKEY_assign(pkey,type,ec);
+ EVP_PKEY_assign(pkey,NID_id_GostR3410_2001,ec);
return 1;
}
-/* Generates GOST R3410 2001_cc key */
-static int pkey_gost01cc_keygen (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+/* Generates Gost_R3410_94_cp key */
+static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
- return pkey_gost01_keygen(ctx,pkey,NID_id_GostR3410_2001_cc);
+ 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_cp key */
-static int pkey_gost01cp_keygen (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+/* Generates GOST_R3410 2001 key and assigns it using specified type */
+static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
- return pkey_gost01_keygen(ctx,pkey,NID_id_GostR3410_2001);
+ EC_KEY *ec;
+ if (!pkey_gost01_paramgen(ctx,pkey)) return 0;
+ ec = EVP_PKEY_get0(pkey);
+ gost2001_keygen(ec);
+ return 1;
}
+
+
/* ----------- sign callbacks --------------------------------------*/
-static int pkey_gost94_cc_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbs_len)
- {
- 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_cc(unpacked_sig,32,sig,siglen);
- }
static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
const unsigned char *tbs, size_t tbs_len)
return pack_sign_cp(unpacked_sig,32,sig,siglen);
}
-static int pkey_gost01_cc_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbs_len)
- {
- 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 curve order*/
- return 1;
- }
- unpacked_sig = gost2001_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
- if (!unpacked_sig)
- {
- return 0;
- }
- return pack_sign_cc(unpacked_sig,32,sig,siglen);
- }
-
static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
const unsigned char *tbs, size_t tbs_len)
{
}
/* ------------------- verify callbacks ---------------------------*/
-static int pkey_gost94_cc_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_cc_signature(sig,siglen);
- 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;
- }
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)
return ok;
}
-static int pkey_gost01_cc_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_cc_signature(sig,siglen);
-#ifdef DEBUG_SIGN
- fprintf(stderr,"R=");
- BN_print_fp(stderr,s->r);
- fprintf(stderr,"\nS=");
- BN_print_fp(stderr,s->s);
- fprintf(stderr,"\n");
-#endif
- if (!s) return 0;
- if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
- DSA_SIG_free(s);
- return ok;
- }
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)
/* Generates ephermeral key */
static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
{
- struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- EVP_PKEY *eph_key = EVP_PKEY_new();
- EVP_PKEY *old_key =EVP_PKEY_CTX_get0_pkey(ctx);
-
- if (data->eph_seckey) EVP_PKEY_free(data->eph_seckey);
- EVP_PKEY_assign(eph_key,EVP_PKEY_base_id(old_key),NULL);
- if (!EVP_PKEY_copy_parameters(eph_key,old_key)) return 0;
- switch (EVP_PKEY_base_id(old_key))
- {
- case NID_id_GostR3410_2001:
- case NID_id_GostR3410_2001_cc:
- gost2001_keygen(EVP_PKEY_get0(eph_key));
- break;
- case NID_id_GostR3410_94:
- case NID_id_GostR3410_94_cc:
- gost_sign_keygen(EVP_PKEY_get0(eph_key));
- break;
-
-
- }
-
-
- data->eph_seckey=eph_key;
return 1;
}
+/* --------------- Derive init ------------------------------------*/
+static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
+{
+ return 1;
+}
/* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
{
return 1;
}
-static int pkey_gost_mac_ctrl (EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
struct gost_mac_pmeth_data *data =
(struct gost_mac_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
{
- void *key;
- struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- if (!mctx->digest) return 1;
- if (!data->key_set)
- {
- 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;
- }
- key = EVP_PKEY_get0(pkey);
- if (!key)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
- return 0;
- }
- } else {
- key = &(data->key);
- }
- return mctx->digest->md_ctrl(mctx,EVP_MD_CTRL_SET_KEY,32,key);
+ 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)*/
+ int ret;
if (!sig)
{
*siglen = 4;
return 1;
}
- return EVP_DigestFinal_ex(mctx,sig,siglen);
+ ret=EVP_DigestFinal_ex(mctx,sig,&tmpsiglen);
+ *siglen = tmpsiglen;
+ return ret;
}
/* ----------------------------------------------------------------*/
int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth,int flags)
switch (id)
{
- case NID_id_GostR3410_94_cc:
- EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94cc_str);
- EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cc_keygen);
- EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cc_sign);
- EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cc_verify);
- EVP_PKEY_meth_set_encrypt(*pmeth,
- pkey_gost_encrypt_init, pkey_GOST94cc_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cc_decrypt);
- break;
case NID_id_GostR3410_94:
EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94_str);
EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cp_keygen);
EVP_PKEY_meth_set_encrypt(*pmeth,
pkey_gost_encrypt_init, pkey_GOST94cp_encrypt);
EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
-
-
- break;
- case NID_id_GostR3410_2001_cc:
- EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl01cc_str);
- EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cc_sign);
- EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cc_verify);
-
- EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cc_keygen);
-
- EVP_PKEY_meth_set_encrypt(*pmeth,
- pkey_gost_encrypt_init, pkey_GOST01cc_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cc_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;
- /* There is intentionally no break here */
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_encrypt(*pmeth,
pkey_gost_encrypt_init, pkey_GOST01cp_encrypt);
EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
+ EVP_PKEY_meth_set_derive(*pmeth,
+ pkey_gost_derive_init, pkey_gost2001_derive);
+ EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost01_paramgen);
break;
case NID_id_Gost28147_89_MAC:
EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_mac_ctrl, pkey_gost_mac_ctrl_str);
projects / openssl.git / blobdiff