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Hakase
2020-01-17 19:45:12 +09:00
parent 016df9f433
commit 0f7abb4eb6
1100 changed files with 47785 additions and 16292 deletions
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providers/implementations/keymgmt/dsa_kmgmt.c
+82 -24
View File
@@ -10,14 +10,19 @@
#include <openssl/core_numbers.h>
#include <openssl/core_names.h>
#include <openssl/bn.h>
#include <openssl/dsa.h>
#include <openssl/params.h>
#include "internal/param_build.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
#include "prov/provider_ctx.h"
#include "crypto/dsa.h"
static OSSL_OP_keymgmt_importdomparams_fn dsa_importdomparams;
static OSSL_OP_keymgmt_exportdomparams_fn dsa_exportdomparams;
static OSSL_OP_keymgmt_get_domparam_params_fn dsa_get_domparam_params;
static OSSL_OP_keymgmt_importkey_fn dsa_importkey;
static OSSL_OP_keymgmt_exportkey_fn dsa_exportkey;
static OSSL_OP_keymgmt_get_key_params_fn dsa_get_key_params;
static int params_to_domparams(DSA *dsa, const OSSL_PARAM params[])
{
@@ -48,23 +53,22 @@ static int params_to_domparams(DSA *dsa, const OSSL_PARAM params[])
return 0;
}
static int domparams_to_params(DSA *dsa, OSSL_PARAM params[])
static int domparams_to_params(DSA *dsa, OSSL_PARAM_BLD *tmpl)
{
OSSL_PARAM *p;
const BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL;
if (dsa == NULL)
return 0;
DSA_get0_pqg(dsa, &dsa_p, &dsa_q, &dsa_g);
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_FFC_P)) != NULL
&& !OSSL_PARAM_set_BN(p, dsa_p))
if (dsa_p != NULL
&& !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_P, dsa_p))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_FFC_Q)) != NULL
&& !OSSL_PARAM_set_BN(p, dsa_q))
if (dsa_q != NULL
&& !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_Q, dsa_q))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_FFC_G)) != NULL
&& !OSSL_PARAM_set_BN(p, dsa_g))
if (dsa_g != NULL
&& !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_G, dsa_g))
return 0;
return 1;
@@ -110,22 +114,21 @@ static int params_to_key(DSA *dsa, const OSSL_PARAM params[])
return 0;
}
static int key_to_params(DSA *dsa, OSSL_PARAM params[])
static int key_to_params(DSA *dsa, OSSL_PARAM_BLD *tmpl)
{
OSSL_PARAM *p;
const BIGNUM *priv_key = NULL, *pub_key = NULL;
if (dsa == NULL)
return 0;
if (!domparams_to_params(dsa, params))
if (!domparams_to_params(dsa, tmpl))
return 0;
DSA_get0_key(dsa, &pub_key, &priv_key);
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DSA_PRIV_KEY)) != NULL
&& !OSSL_PARAM_set_BN(p, priv_key))
if (priv_key != NULL
&& !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_DSA_PRIV_KEY, priv_key))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DSA_PUB_KEY)) != NULL
&& !OSSL_PARAM_set_BN(p, pub_key))
if (pub_key != NULL
&& !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_DSA_PUB_KEY, pub_key))
return 0;
return 1;
@@ -143,11 +146,22 @@ static void *dsa_importdomparams(void *provctx, const OSSL_PARAM params[])
return dsa;
}
static int dsa_exportdomparams(void *domparams, OSSL_PARAM params[])
static int dsa_exportdomparams(void *domparams,
OSSL_CALLBACK *param_cb, void *cbarg)
{
DSA *dsa = domparams;
OSSL_PARAM_BLD tmpl;
OSSL_PARAM *params = NULL;
int ret;
return dsa != NULL && !domparams_to_params(dsa, params);
ossl_param_bld_init(&tmpl);
if (dsa == NULL
|| !domparams_to_params(dsa, &tmpl)
|| (params = ossl_param_bld_to_param(&tmpl)) == NULL)
return 0;
ret = param_cb(params, cbarg);
ossl_param_bld_free(params);
return ret;
}
static void *dsa_importkey(void *provctx, const OSSL_PARAM params[])
@@ -162,23 +176,67 @@ static void *dsa_importkey(void *provctx, const OSSL_PARAM params[])
return dsa;
}
static int dsa_exportkey(void *key, OSSL_PARAM params[])
static int dsa_exportkey(void *key, OSSL_CALLBACK *param_cb, void *cbarg)
{
DSA *dsa = key;
OSSL_PARAM_BLD tmpl;
OSSL_PARAM *params = NULL;
int ret;
return dsa != NULL && !key_to_params(dsa, params);
ossl_param_bld_init(&tmpl);
if (dsa == NULL
|| !key_to_params(dsa, &tmpl)
|| (params = ossl_param_bld_to_param(&tmpl)) == NULL)
return 0;
ret = param_cb(params, cbarg);
ossl_param_bld_free(params);
return ret;
}
/*
* Same function for domain parameters and for keys.
* "dpk" = "domain parameters & keys"
*/
static ossl_inline int dsa_get_dpk_params(void *key, OSSL_PARAM params[])
{
DSA *dsa = key;
OSSL_PARAM *p;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
&& !OSSL_PARAM_set_int(p, DSA_bits(dsa)))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_SECURITY_BITS)) != NULL
&& !OSSL_PARAM_set_int(p, DSA_security_bits(dsa)))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MAX_SIZE)) != NULL
&& !OSSL_PARAM_set_int(p, DSA_size(dsa)))
return 0;
return 1;
}
/*
* We have wrapper functions to make sure we get signatures right, see
* the forward declarations at the beginning of this file.
*/
static int dsa_get_domparam_params(void *domparams, OSSL_PARAM params[])
{
return dsa_get_dpk_params(domparams, params);
}
static int dsa_get_key_params(void *key, OSSL_PARAM params[])
{
return dsa_get_dpk_params(key, params);
}
const OSSL_DISPATCH dsa_keymgmt_functions[] = {
/*
* TODO(3.0) When implementing OSSL_FUNC_KEYMGMT_GENKEY, remember to also
* implement OSSL_FUNC_KEYMGMT_EXPORTKEY.
*/
{ OSSL_FUNC_KEYMGMT_IMPORTDOMPARAMS, (void (*)(void))dsa_importdomparams },
{ OSSL_FUNC_KEYMGMT_EXPORTDOMPARAMS, (void (*)(void))dsa_exportdomparams },
{ OSSL_FUNC_KEYMGMT_FREEDOMPARAMS, (void (*)(void))DSA_free },
{ OSSL_FUNC_KEYMGMT_GET_DOMPARAM_PARAMS,
(void (*) (void))dsa_get_domparam_params },
{ OSSL_FUNC_KEYMGMT_IMPORTKEY, (void (*)(void))dsa_importkey },
{ OSSL_FUNC_KEYMGMT_EXPORTKEY, (void (*)(void))dsa_exportkey },
{ OSSL_FUNC_KEYMGMT_FREEKEY, (void (*)(void))DSA_free },
{ OSSL_FUNC_KEYMGMT_GET_KEY_PARAMS, (void (*) (void))dsa_get_key_params },
{ 0, NULL }
};