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Test that we generate a short private key for known DH prime

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Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18480)
This commit is contained in:
Tomas Mraz 2022-07-13 16:04:09 +02:00 committed by Hugo Landau
parent 2885b2ca4e
commit 2266d1cad0
1 changed files with 10 additions and 0 deletions
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10
test/evp_extra_test2.c
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@ -333,6 +333,10 @@ static int test_dh_tofrom_data_select(void)
OSSL_PARAM params[2];
EVP_PKEY *key = NULL;
EVP_PKEY_CTX *gctx = NULL;
# ifndef OPENSSL_NO_DEPRECATED_3_0
const DH *dhkey;
const BIGNUM *privkey;
# endif
params[0] = OSSL_PARAM_construct_utf8_string("group", "ffdhe2048", 0);
params[1] = OSSL_PARAM_construct_end();
@ -341,6 +345,12 @@ static int test_dh_tofrom_data_select(void)
&& TEST_true(EVP_PKEY_CTX_set_params(gctx, params))
&& TEST_int_gt(EVP_PKEY_generate(gctx, &key), 0)
&& TEST_true(do_pkey_tofrom_data_select(key, "DHX"));
# ifndef OPENSSL_NO_DEPRECATED_3_0
dhkey = EVP_PKEY_get0_DH(key);
ret = ret && TEST_ptr(dhkey);
ret = ret && TEST_ptr(privkey = DH_get0_priv_key(dhkey))
&& TEST_int_le(BN_num_bits(privkey), 225);
# endif
EVP_PKEY_free(key);
EVP_PKEY_CTX_free(gctx);
return ret;