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LibTLS: Change CertificateKeyAlgorithm from enum to struct

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stelar7 2023-04-12 21:35:06 +02:00 • committed by Ali Mohammad Pur
parent 0329ddf46a
commit 4043c89310
4 changed files with 97 additions and 134 deletions
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119
Userland/Libraries/LibTLS/Certificate.cpp
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@ -11,51 +11,9 @@
#include <LibCrypto/ASN1/ASN1.h>
#include <LibCrypto/ASN1/DER.h>
#include <LibCrypto/ASN1/PEM.h>
#include <LibTLS/Extensions.h>
namespace TLS {
constexpr static Array<int, 7>
rsa_encryption_oid { 1, 2, 840, 113549, 1, 1, 1 },
rsa_md5_encryption_oid { 1, 2, 840, 113549, 1, 1, 4 },
rsa_sha1_encryption_oid { 1, 2, 840, 113549, 1, 1, 5 },
rsa_sha256_encryption_oid { 1, 2, 840, 113549, 1, 1, 11 },
rsa_sha384_encryption_oid { 1, 2, 840, 113549, 1, 1, 12 },
rsa_sha512_encryption_oid { 1, 2, 840, 113549, 1, 1, 13 },
rsa_sha224_encryption_oid { 1, 2, 840, 113549, 1, 1, 14 },
ecdsa_with_sha224_encryption_oid { 1, 2, 840, 10045, 4, 3, 1 },
ecdsa_with_sha256_encryption_oid { 1, 2, 840, 10045, 4, 3, 2 },
ecdsa_with_sha384_encryption_oid { 1, 2, 840, 10045, 4, 3, 3 },
ecdsa_with_sha512_encryption_oid { 1, 2, 840, 10045, 4, 3, 3 },
ec_public_key_encryption_oid { 1, 2, 840, 10045, 2, 1 };
constexpr static Array<Array<int, 7>, 9> known_algorithm_identifiers {
rsa_encryption_oid,
rsa_md5_encryption_oid,
rsa_sha1_encryption_oid,
rsa_sha256_encryption_oid,
rsa_sha384_encryption_oid,
rsa_sha512_encryption_oid,
ecdsa_with_sha256_encryption_oid,
ecdsa_with_sha384_encryption_oid,
ec_public_key_encryption_oid
};
constexpr static Array<int, 7>
curve_ansip384r1 { 1, 3, 132, 0, 34 },
curve_prime256 { 1, 2, 840, 10045, 3, 1, 7 };
constexpr static Array<Array<int, 7>, 9> known_curve_identifiers {
curve_ansip384r1,
curve_prime256
};
constexpr static Array<int, 4>
key_usage_oid { 2, 5, 29, 15 },
subject_alternative_name_oid { 2, 5, 29, 17 },
issuer_alternative_name_oid { 2, 5, 29, 18 },
basic_constraints_oid { 2, 5, 29, 19 };
#define ERROR_WITH_SCOPE(error) \
do { \
return Error::from_string_view(TRY(String::formatted("{}: {}", current_scope, error))); \
@ -122,34 +80,6 @@ static ErrorOr<SupportedGroup> oid_to_curve(Vector<int> curve)
return Error::from_string_view(TRY(String::formatted("Unknown curve oid {}", curve)));
}
static ErrorOr<CertificateKeyAlgorithm> oid_to_algorithm(Vector<int> algorithm)
{
if (algorithm == rsa_encryption_oid)
return CertificateKeyAlgorithm::RSA_RSA;
else if (algorithm == rsa_md5_encryption_oid)
return CertificateKeyAlgorithm::RSA_MD5;
else if (algorithm == rsa_sha1_encryption_oid)
return CertificateKeyAlgorithm::RSA_SHA1;
else if (algorithm == rsa_sha256_encryption_oid)
return CertificateKeyAlgorithm::RSA_SHA256;
else if (algorithm == rsa_sha384_encryption_oid)
return CertificateKeyAlgorithm::RSA_SHA384;
else if (algorithm == rsa_sha512_encryption_oid)
return CertificateKeyAlgorithm::RSA_SHA512;
else if (algorithm == rsa_sha224_encryption_oid)
return CertificateKeyAlgorithm::RSA_SHA224;
else if (algorithm == ecdsa_with_sha224_encryption_oid)
return CertificateKeyAlgorithm::ECDSA_SHA224;
else if (algorithm == ecdsa_with_sha256_encryption_oid)
return CertificateKeyAlgorithm::ECDSA_SHA256;
else if (algorithm == ecdsa_with_sha384_encryption_oid)
return CertificateKeyAlgorithm::ECDSA_SHA384;
else if (algorithm == ecdsa_with_sha512_encryption_oid)
return CertificateKeyAlgorithm::ECDSA_SHA512;
return Error::from_string_view(TRY(String::formatted("Unknown algorithm oid {}", algorithm)));
}
static ErrorOr<Crypto::UnsignedBigInteger> parse_version(Crypto::ASN1::Decoder& decoder, Vector<StringView> current_scope)
{
// Version ::= INTEGER {v1(0), v2(1), v3(2)}
@ -203,7 +133,7 @@ static ErrorOr<SupportedGroup> parse_ec_parameters(Crypto::ASN1::Decoder& decode
return oid_to_curve(named_curve);
}
static ErrorOr<CertificateKeyAlgorithm> parse_algorithm_identifier(Crypto::ASN1::Decoder& decoder, Vector<StringView> current_scope)
static ErrorOr<AlgorithmIdentifier> parse_algorithm_identifier(Crypto::ASN1::Decoder& decoder, Vector<StringView> current_scope)
{
// AlgorithmIdentifier{ALGORITHM:SupportedAlgorithms} ::= SEQUENCE {
// algorithm ALGORITHM.&id({SupportedAlgorithms}),
@ -264,7 +194,7 @@ static ErrorOr<CertificateKeyAlgorithm> parse_algorithm_identifier(Crypto::ASN1:
POP_SCOPE();
EXIT_SCOPE();
return oid_to_algorithm(algorithm);
return AlgorithmIdentifier(algorithm);
}
// When the ecdsa-with-SHA224, ecdsa-with-SHA256, ecdsa-with-SHA384, or
@ -288,7 +218,7 @@ static ErrorOr<CertificateKeyAlgorithm> parse_algorithm_identifier(Crypto::ASN1:
if (is_no_parameter_algorithm) {
EXIT_SCOPE();
return oid_to_algorithm(algorithm);
return AlgorithmIdentifier(algorithm);
}
if (algorithm.span() == ec_public_key_encryption_oid.span()) {
@ -297,7 +227,7 @@ static ErrorOr<CertificateKeyAlgorithm> parse_algorithm_identifier(Crypto::ASN1:
if (decoder.eof()) {
EXIT_SCOPE();
return oid_to_algorithm(algorithm);
return AlgorithmIdentifier(algorithm);
}
auto tag = TRY(decoder.peek());
@ -308,16 +238,14 @@ static ErrorOr<CertificateKeyAlgorithm> parse_algorithm_identifier(Crypto::ASN1:
POP_SCOPE();
EXIT_SCOPE();
return oid_to_algorithm(algorithm);
return AlgorithmIdentifier(algorithm);
}
auto ec_parameters = TRY(parse_ec_parameters(decoder, current_scope));
EXIT_SCOPE();
auto algorithm_identifier = AlgorithmIdentifier(algorithm);
algorithm_identifier.ec_parameters = TRY(parse_ec_parameters(decoder, current_scope));
if (ec_parameters == SupportedGroup::SECP256R1)
return CertificateKeyAlgorithm::ECDSA_SECP256R1;
else if (ec_parameters == SupportedGroup::SECP384R1)
return CertificateKeyAlgorithm::ECDSA_SECP384R1;
EXIT_SCOPE();
return algorithm_identifier;
}
ERROR_WITH_SCOPE(TRY(String::formatted("Unhandled parameters for algorithm {}", algorithm)));
@ -432,27 +360,29 @@ static ErrorOr<SubjectPublicKey> parse_subject_public_key_info(Crypto::ASN1::Dec
READ_OBJECT(BitString, Crypto::ASN1::BitStringView, value);
POP_SCOPE();
switch (public_key.algorithm) {
case CertificateKeyAlgorithm::ECDSA_SECP256R1:
case CertificateKeyAlgorithm::ECDSA_SECP384R1: {
public_key.raw_key = TRY(ByteBuffer::copy(value.raw_bytes()));
break;
}
case CertificateKeyAlgorithm::RSA_RSA: {
public_key.raw_key = TRY(ByteBuffer::copy(value.raw_bytes()));
public_key.raw_key = TRY(ByteBuffer::copy(value.raw_bytes()));
if (public_key.algorithm.identifier.span() == rsa_encryption_oid.span()) {
auto key = Crypto::PK::RSA::parse_rsa_key(value.raw_bytes());
if (!key.public_key.length()) {
return Error::from_string_literal("Invalid RSA key");
}
public_key.rsa = move(key.public_key);
break;
}
default: {
ERROR_WITH_SCOPE(TRY(String::formatted("Unknown algorithm {}", static_cast<u8>(public_key.algorithm))));
EXIT_SCOPE();
return public_key;
}
if (public_key.algorithm.identifier.span() == ec_public_key_encryption_oid.span()) {
// Note: Raw key is already stored, so we can just exit out at this point.
EXIT_SCOPE();
return public_key;
}
String algo_oid = TRY(String::join("."sv, public_key.algorithm.identifier));
ERROR_WITH_SCOPE(TRY(String::formatted("Unhandled algorithm {}", algo_oid)));
EXIT_SCOPE();
return public_key;
}
@ -822,8 +752,7 @@ ErrorOr<Certificate> Certificate::parse_certificate(ReadonlyBytes buffer, bool)
Certificate certificate = TRY(parse_tbs_certificate(decoder, current_scope));
certificate.original_asn1 = TRY(ByteBuffer::copy(buffer));
CertificateKeyAlgorithm signature_algorithm = TRY(parse_algorithm_identifier(decoder, current_scope));
certificate.signature_algorithm = signature_algorithm;
certificate.signature_algorithm = TRY(parse_algorithm_identifier(decoder, current_scope));
PUSH_SCOPE("signature"sv);
READ_OBJECT(BitString, Crypto::ASN1::BitStringView, signature);