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LibCrypto+LibTLS: Replace RSA_PKCS1-EMSA implementation

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This commit replaces the old implementation of `EMSA_PKCS1_V1_5` with
one backed by OpenSSL. In doing so, the `sign` and `verify` methods of
RSA have been modified to behave like expected and not just be
encryption and decryption.

I was not able to split this commit because the changes to `verify` and
`sign` break pretty much everything.
This commit is contained in:
devgianlu 2024-12-25 22:24:43 +01:00 • committed by Ali Mohammad Pur
parent 4b832b67fb
commit 70bc26e32a
Notes: github-actions[bot] 2025-01-13 16:01:27 +00:00
6 changed files with 236 additions and 50 deletions
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17
Tests/LibCrypto/TestRSA.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Peter Bocan <me@pbocan.net>
* Copyright (c) 2025, Altomani Gianluca <altomanigianluca@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -160,3 +161,19 @@ TEST_CASE(test_RSA_encrypt_decrypt)
EXPECT(memcmp(dec.data(), "WellHelloFriendsWellHelloFriendsWellHelloFriendsWellHelloFriends", 64) == 0);
}
TEST_CASE(test_RSA_sign_verify)
{
auto keypair = TRY_OR_FAIL(Crypto::PK::RSA::generate_key_pair(1024));
Crypto::PK::RSA rsa(keypair);
ByteBuffer msg_buffer = {};
msg_buffer.resize(rsa.output_size());
auto msg = msg_buffer.bytes();
msg.overwrite(0, "WellHelloFriendsWellHelloFriendsWellHelloFriendsWellHelloFriends", 64);
auto sig = TRY_OR_FAIL(rsa.sign(msg));
auto ok = TRY_OR_FAIL(rsa.verify(msg, sig));
EXPECT_EQ(ok, true);
}