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LibTLS: Use RSA key exchange based on the cipher

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After this, we aren't hardcoding RSA in everything we do anymore!
This commit is contained in:
DexesTTP 2021-05-19 00:12:09 +02:00 • committed by Andreas Kling
parent 9bb823a6ab
commit 68f6796e72
3 changed files with 60 additions and 7 deletions
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17
Userland/Libraries/LibTLS/TLSv12.h
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@ -179,6 +179,19 @@ enum ClientVerificationStaus {
C(true, CipherSuite::RSA_WITH_AES_128_GCM_SHA256, SignatureAlgorithm::RSA, CipherAlgorithm::AES_128_GCM, Crypto::Hash::SHA256, 8, true) \
C(false, CipherSuite::RSA_WITH_AES_256_GCM_SHA384, SignatureAlgorithm::RSA, CipherAlgorithm::AES_256_GCM, Crypto::Hash::SHA384, 8, true)
constexpr SignatureAlgorithm get_signature_algorithm(CipherSuite suite)
{
switch (suite) {
#define C(is_supported, suite, signature, cipher, hash, iv_size, is_aead) \
case suite: \
return signature;
ENUMERATE_CIPHERS(C)
#undef C
default:
return SignatureAlgorithm::Anonymous;
}
}
constexpr CipherAlgorithm get_cipher_algorithm(CipherSuite suite)
{
switch (suite) {
@ -389,7 +402,7 @@ private:
ByteBuffer build_alert(bool critical, u8 code);
ByteBuffer build_change_cipher_spec();
ByteBuffer build_verify_request();
void build_random(PacketBuilder&);
void build_rsa_pre_master_secret(PacketBuilder&);
bool flush();
void write_into_socket();
@ -465,7 +478,7 @@ private:
bool expand_key();
bool compute_master_secret(size_t length);
bool compute_master_secret_from_pre_master_secret(size_t length);
Optional<size_t> verify_chain_and_get_matching_certificate(const StringView& host) const;