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LibCrypto: Remove unused Crypto::PK::EMSA_PSS class

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This is not used, and its implementation is not actually correct
regardless.
This commit is contained in:
Ali Mohammad Pur 2024-03-15 08:18:22 +01:00 • committed by Andrew Kaster
parent 15836cc865
commit 0994aa91dc
11 changed files with 0 additions and 236 deletions
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33
Userland/Libraries/LibCrypto/PK/RSA.cpp
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@ -295,39 +295,6 @@ void RSA::import_public_key(ReadonlyBytes bytes, bool pem)
m_public_key = key.public_key;
}
template<typename HashFunction>
void RSA_EMSA_PSS<HashFunction>::sign(ReadonlyBytes in, Bytes& out)
{
// -- encode via EMSA_PSS
auto mod_bits = m_rsa.private_key().modulus().trimmed_length() * sizeof(u32) * 8;
Vector<u8, 2048> EM;
EM.resize(mod_bits);
auto EM_buf = Bytes { EM };
m_emsa_pss.encode(in, EM_buf, mod_bits - 1);
// -- sign via RSA
m_rsa.sign(EM_buf, out);
}
template<typename HashFunction>
VerificationConsistency RSA_EMSA_PSS<HashFunction>::verify(ReadonlyBytes in)
{
auto mod_bytes = m_rsa.public_key().modulus().trimmed_length() * sizeof(u32);
if (in.size() != mod_bytes)
return VerificationConsistency::Inconsistent;
Vector<u8, 256> EM;
EM.resize(mod_bytes);
auto EM_buf = Bytes { EM };
// -- verify via RSA
m_rsa.verify(in, EM_buf);
// -- verify via EMSA_PSS
return m_emsa_pss.verify(in, EM, mod_bytes * 8 - 1);
}
void RSA_PKCS1_EME::encrypt(ReadonlyBytes in, Bytes& out)
{
auto mod_len = (m_public_key.modulus().trimmed_length() * sizeof(u32) * 8 + 7) / 8;