Latest update.
This commit is contained in:
+251
-23
@@ -11,6 +11,8 @@
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#include <openssl/evp.h>
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#include <openssl/kdf.h>
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#include <openssl/rand_drbg.h>
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#include <openssl/core_names.h>
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#include <openssl/param_build.h>
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#include "internal/cryptlib.h"
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#include "internal/nelem.h"
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#include "self_test.h"
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@@ -46,10 +48,9 @@ static int self_test_digest(const ST_KAT_DIGEST *t, OSSL_SELF_TEST *st,
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goto err;
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ok = 1;
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err:
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OSSL_SELF_TEST_onend(st, ok);
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EVP_MD_free(md);
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EVP_MD_CTX_free(ctx);
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OSSL_SELF_TEST_onend(st, ok);
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return ok;
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}
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@@ -142,39 +143,79 @@ err:
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return ret;
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}
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static int add_params(OSSL_PARAM_BLD *bld, const ST_KAT_PARAM *params,
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BN_CTX *ctx)
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{
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int ret = 0;
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const ST_KAT_PARAM *p;
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if (params == NULL)
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return 1;
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for (p = params; p->data != NULL; ++p)
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{
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switch (p->type) {
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case OSSL_PARAM_UNSIGNED_INTEGER: {
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BIGNUM *bn = BN_CTX_get(ctx);
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if (bn == NULL
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|| (BN_bin2bn(p->data, p->data_len, bn) == NULL)
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|| !OSSL_PARAM_BLD_push_BN(bld, p->name, bn))
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goto err;
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break;
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}
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case OSSL_PARAM_UTF8_STRING: {
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if (!OSSL_PARAM_BLD_push_utf8_string(bld, p->name, p->data, 0))
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goto err;
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break;
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}
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case OSSL_PARAM_OCTET_STRING: {
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if (!OSSL_PARAM_BLD_push_octet_string(bld, p->name, p->data,
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p->data_len))
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goto err;
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break;
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}
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default:
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break;
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}
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}
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ret = 1;
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err:
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return ret;
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}
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static int self_test_kdf(const ST_KAT_KDF *t, OSSL_SELF_TEST *st,
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OPENSSL_CTX *libctx)
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{
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int ret = 0;
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int i, numparams;
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unsigned char out[64];
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EVP_KDF *kdf = NULL;
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EVP_KDF_CTX *ctx = NULL;
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OSSL_PARAM params[16];
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const OSSL_PARAM *settables = NULL;
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BN_CTX *bnctx = NULL;
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OSSL_PARAM *params = NULL;
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OSSL_PARAM_BLD *bld = NULL;
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numparams = OSSL_NELEM(params);
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OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_KAT_KDF, t->desc);
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/* Zeroize the params array to avoid mem leaks on error */
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for (i = 0; i < numparams; ++i)
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params[i] = OSSL_PARAM_construct_end();
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bld = OSSL_PARAM_BLD_new();
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if (bld == NULL)
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goto err;
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kdf = EVP_KDF_fetch(libctx, t->algorithm, "");
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if (kdf == NULL)
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goto err;
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ctx = EVP_KDF_CTX_new(kdf);
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if (ctx == NULL)
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goto err;
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settables = EVP_KDF_settable_ctx_params(kdf);
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for (i = 0; t->ctrls[i].name != NULL; ++i) {
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if (!ossl_assert(i < (numparams - 1)))
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goto err;
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if (!OSSL_PARAM_allocate_from_text(¶ms[i], settables,
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t->ctrls[i].name,
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t->ctrls[i].value,
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strlen(t->ctrls[i].value), NULL))
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goto err;
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}
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bnctx = BN_CTX_new_ex(libctx);
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if (bnctx == NULL)
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goto err;
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if (!add_params(bld, t->params, bnctx))
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goto err;
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params = OSSL_PARAM_BLD_to_param(bld);
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if (params == NULL)
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goto err;
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if (!EVP_KDF_CTX_set_params(ctx, params))
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goto err;
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@@ -190,10 +231,11 @@ static int self_test_kdf(const ST_KAT_KDF *t, OSSL_SELF_TEST *st,
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ret = 1;
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err:
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for (i = 0; params[i].key != NULL; ++i)
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OPENSSL_free(params[i].data);
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EVP_KDF_free(kdf);
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EVP_KDF_CTX_free(ctx);
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BN_CTX_free(bnctx);
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OSSL_PARAM_BLD_free_params(params);
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OSSL_PARAM_BLD_free(bld);
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OSSL_SELF_TEST_onend(st, ret);
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return ret;
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}
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@@ -300,6 +342,168 @@ err:
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return ret;
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}
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static int self_test_ka(const ST_KAT_KAS *t,
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OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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{
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int ret = 0;
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EVP_PKEY_CTX *kactx = NULL, *dctx = NULL;
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EVP_PKEY *pkey = NULL, *peerkey = NULL;
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OSSL_PARAM *params = NULL;
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OSSL_PARAM *params_peer = NULL;
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unsigned char secret[256];
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size_t secret_len;
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OSSL_PARAM_BLD *bld = NULL;
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BN_CTX *bnctx = NULL;
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OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_KAT_KA, t->desc);
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bnctx = BN_CTX_new_ex(libctx);
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if (bnctx == NULL)
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goto err;
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bld = OSSL_PARAM_BLD_new();
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if (bld == NULL)
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goto err;
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if (!add_params(bld, t->key_group, bnctx)
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|| !add_params(bld, t->key_host_data, bnctx))
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goto err;
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params = OSSL_PARAM_BLD_to_param(bld);
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if (!add_params(bld, t->key_group, bnctx)
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|| !add_params(bld, t->key_peer_data, bnctx))
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goto err;
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params_peer = OSSL_PARAM_BLD_to_param(bld);
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if (params == NULL || params_peer == NULL)
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goto err;
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/* Create a EVP_PKEY_CTX to load the DH keys into */
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kactx = EVP_PKEY_CTX_new_from_name(libctx, t->algorithm, "");
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if (kactx == NULL)
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goto err;
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if (EVP_PKEY_key_fromdata_init(kactx) <= 0
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|| EVP_PKEY_fromdata(kactx, &pkey, params) <= 0)
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goto err;
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if (EVP_PKEY_key_fromdata_init(kactx) <= 0
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|| EVP_PKEY_fromdata(kactx, &peerkey, params_peer) <= 0)
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goto err;
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/* Create a EVP_PKEY_CTX to perform key derivation */
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dctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, NULL);
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if (dctx == NULL)
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goto err;
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if (EVP_PKEY_derive_init(dctx) <= 0
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|| EVP_PKEY_derive_set_peer(dctx, peerkey) <= 0
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|| EVP_PKEY_derive(dctx, secret, &secret_len) <= 0)
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goto err;
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OSSL_SELF_TEST_oncorrupt_byte(st, secret);
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if (secret_len != t->expected_len
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|| memcmp(secret, t->expected, t->expected_len) != 0)
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goto err;
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ret = 1;
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err:
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BN_CTX_free(bnctx);
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EVP_PKEY_free(pkey);
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EVP_PKEY_free(peerkey);
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EVP_PKEY_CTX_free(kactx);
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EVP_PKEY_CTX_free(dctx);
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OSSL_PARAM_BLD_free_params(params_peer);
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OSSL_PARAM_BLD_free_params(params);
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OSSL_PARAM_BLD_free(bld);
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OSSL_SELF_TEST_onend(st, ret);
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return ret;
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}
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static int self_test_sign(const ST_KAT_SIGN *t,
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OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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{
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int ret = 0;
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OSSL_PARAM *params = NULL, *params_sig = NULL;
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OSSL_PARAM_BLD *bld = NULL;
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EVP_PKEY_CTX *sctx = NULL, *kctx = NULL;
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EVP_PKEY *pkey = NULL;
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unsigned char sig[256];
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BN_CTX *bnctx = NULL;
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size_t siglen = 0;
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static const unsigned char dgst[] = {
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0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81,
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0x48, 0xa1, 0xd6, 0x5d, 0xfc, 0x2d, 0x4b, 0x1f, 0xa3, 0xd6, 0x77, 0x28,
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0x4a, 0xdd, 0xd2, 0x00, 0x12, 0x6d, 0x90, 0x69
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};
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OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_KAT_SIGNATURE, t->desc);
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bnctx = BN_CTX_new_ex(libctx);
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if (bnctx == NULL)
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goto err;
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bld = OSSL_PARAM_BLD_new();
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if (bld == NULL)
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goto err;
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if (!add_params(bld, t->key, bnctx))
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goto err;
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params = OSSL_PARAM_BLD_to_param(bld);
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/* Create a EVP_PKEY_CTX to load the DSA key into */
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kctx = EVP_PKEY_CTX_new_from_name(libctx, t->algorithm, "");
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if (kctx == NULL || params == NULL)
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goto err;
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if (EVP_PKEY_key_fromdata_init(kctx) <= 0
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|| EVP_PKEY_fromdata(kctx, &pkey, params) <= 0)
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goto err;
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/* Create a EVP_PKEY_CTX to use for the signing operation */
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sctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, NULL);
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if (sctx == NULL
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|| EVP_PKEY_sign_init(sctx) <= 0)
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goto err;
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/* set signature parameters */
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if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_SIGNATURE_PARAM_DIGEST,
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t->mdalgorithm,
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strlen(t->mdalgorithm) + 1))
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goto err;
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params_sig = OSSL_PARAM_BLD_to_param(bld);
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if (EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0)
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goto err;
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if (EVP_PKEY_sign(sctx, sig, &siglen, dgst, sizeof(dgst)) <= 0
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|| EVP_PKEY_verify_init(sctx) <= 0
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|| EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0)
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goto err;
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/*
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* Used by RSA, for other key types where the signature changes, we
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* can only use the verify.
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*/
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if (t->sig_expected != NULL
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&& (siglen != t->sig_expected_len
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|| memcmp(sig, t->sig_expected, t->sig_expected_len) != 0))
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goto err;
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OSSL_SELF_TEST_oncorrupt_byte(st, sig);
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if (EVP_PKEY_verify(sctx, sig, siglen, dgst, sizeof(dgst)) <= 0)
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goto err;
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ret = 1;
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err:
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BN_CTX_free(bnctx);
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EVP_PKEY_free(pkey);
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EVP_PKEY_CTX_free(kctx);
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EVP_PKEY_CTX_free(sctx);
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OSSL_PARAM_BLD_free_params(params);
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OSSL_PARAM_BLD_free_params(params_sig);
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OSSL_PARAM_BLD_free(bld);
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OSSL_SELF_TEST_onend(st, ret);
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return ret;
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}
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/*
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* Test a data driven list of KAT's for digest algorithms.
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* All tests are run regardless of if they fail or not.
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@@ -349,12 +553,32 @@ static int self_test_drbgs(OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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return ret;
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}
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static int self_test_kas(OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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{
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int i, ret = 1;
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for (i = 0; i < (int)OSSL_NELEM(st_kat_kas_tests); ++i) {
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if (!self_test_ka(&st_kat_kas_tests[i], st, libctx))
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ret = 0;
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}
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return ret;
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}
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static int self_test_signatures(OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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{
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int i, ret = 1;
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for (i = 0; i < (int)OSSL_NELEM(st_kat_sign_tests); ++i) {
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if (!self_test_sign(&st_kat_sign_tests[i], st, libctx))
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ret = 0;
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}
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return ret;
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}
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/*
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* Run the algorithm KAT's.
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* Return 1 is successful, otherwise return 0.
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* This runs all the tests regardless of if any fail.
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*
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* TODO(3.0) Add self tests for KA, Sign/Verify when they become available
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*/
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int SELF_TEST_kats(OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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{
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@@ -364,10 +588,14 @@ int SELF_TEST_kats(OSSL_SELF_TEST *st, OPENSSL_CTX *libctx)
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ret = 0;
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if (!self_test_ciphers(st, libctx))
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ret = 0;
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if (!self_test_signatures(st, libctx))
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ret = 0;
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if (!self_test_kdfs(st, libctx))
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ret = 0;
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if (!self_test_drbgs(st, libctx))
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ret = 0;
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if (!self_test_kas(st, libctx))
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ret = 0;
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return ret;
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}
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