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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This code is made available to you under your choice of the following sets
+ * of licensing terms:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+/* Copyright 2013 Mozilla Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef mozilla_pkix_test_pkixtestutil_h
+#define mozilla_pkix_test_pkixtestutil_h
+
+#include <cstdint>
+#include <cstring>
+#include <ctime>
+#include <string>
+
+#include "mozpkix/pkixtypes.h"
+
+namespace mozilla {
+namespace pkix {
+namespace test {
+
+typedef std::basic_string<uint8_t> ByteString;
+
+inline bool ENCODING_FAILED(const ByteString& bs) { return bs.empty(); }
+
+template <size_t L>
+inline ByteString BytesToByteString(const uint8_t (&bytes)[L]) {
+ return ByteString(bytes, L);
+}
+
+// XXX: Ideally, we should define this instead:
+//
+// template <typename T, std::size_t N>
+// constexpr inline std::size_t
+// ArrayLength(T (&)[N])
+// {
+// return N;
+// }
+//
+// However, we don't because not all supported compilers support constexpr,
+// and we need to calculate array lengths in static_assert sometimes.
+//
+// XXX: Evaluates its argument twice
+#define MOZILLA_PKIX_ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
+
+bool InputEqualsByteString(Input input, const ByteString& bs);
+ByteString InputToByteString(Input input);
+
+// python DottedOIDToCode.py --tlv id-kp-OCSPSigning 1.3.6.1.5.5.7.3.9
+static const uint8_t tlv_id_kp_OCSPSigning[] = {0x06, 0x08, 0x2b, 0x06, 0x01,
+ 0x05, 0x05, 0x07, 0x03, 0x09};
+
+// python DottedOIDToCode.py --tlv id-kp-serverAuth 1.3.6.1.5.5.7.3.1
+static const uint8_t tlv_id_kp_serverAuth[] = {0x06, 0x08, 0x2b, 0x06, 0x01,
+ 0x05, 0x05, 0x07, 0x03, 0x01};
+
+enum class TestDigestAlgorithmID {
+ MD2,
+ MD5,
+ SHA1,
+ SHA224,
+ SHA256,
+ SHA384,
+ SHA512,
+};
+
+struct TestPublicKeyAlgorithm {
+ explicit TestPublicKeyAlgorithm(const ByteString& aAlgorithmIdentifier)
+ : algorithmIdentifier(aAlgorithmIdentifier) {}
+ bool operator==(const TestPublicKeyAlgorithm& other) const {
+ return algorithmIdentifier == other.algorithmIdentifier;
+ }
+ ByteString algorithmIdentifier;
+};
+
+ByteString DSS_P();
+ByteString DSS_Q();
+ByteString DSS_G();
+
+TestPublicKeyAlgorithm DSS();
+TestPublicKeyAlgorithm RSA_PKCS1();
+
+struct TestSignatureAlgorithm {
+ TestSignatureAlgorithm(const TestPublicKeyAlgorithm& publicKeyAlg,
+ TestDigestAlgorithmID digestAlg,
+ const ByteString& algorithmIdentifier, bool accepted);
+
+ TestPublicKeyAlgorithm publicKeyAlg;
+ TestDigestAlgorithmID digestAlg;
+ ByteString algorithmIdentifier;
+ bool accepted;
+};
+
+TestSignatureAlgorithm md2WithRSAEncryption();
+TestSignatureAlgorithm md5WithRSAEncryption();
+TestSignatureAlgorithm sha1WithRSAEncryption();
+TestSignatureAlgorithm sha256WithRSAEncryption();
+
+// e.g. YMDHMS(2016, 12, 31, 1, 23, 45) => 2016-12-31:01:23:45 (GMT)
+mozilla::pkix::Time YMDHMS(uint16_t year, uint16_t month, uint16_t day,
+ uint16_t hour, uint16_t minutes, uint16_t seconds);
+
+ByteString TLV(uint8_t tag, size_t length, const ByteString& value);
+
+inline ByteString TLV(uint8_t tag, const ByteString& value) {
+ return TLV(tag, value.length(), value);
+}
+
+// Although we can't enforce it without relying on Cuser-defined literals,
+// which aren't supported by all of our compilers yet, you should only pass
+// string literals as the last parameter to the following two functions.
+
+template <size_t N>
+inline ByteString TLV(uint8_t tag, const char (&value)[N]) {
+ static_assert(N > 0, "cannot have string literal of size 0");
+ assert(value[N - 1] == 0);
+ return TLV(tag, ByteString(reinterpret_cast<const uint8_t*>(&value), N - 1));
+}
+
+template <size_t N>
+inline ByteString TLV(uint8_t tag, size_t length, const char (&value)[N]) {
+ static_assert(N > 0, "cannot have string literal of size 0");
+ assert(value[N - 1] == 0);
+ return TLV(tag, length,
+ ByteString(reinterpret_cast<const uint8_t*>(&value), N - 1));
+}
+
+ByteString Boolean(bool value);
+ByteString Integer(long value);
+
+ByteString CN(const ByteString&, uint8_t encodingTag = 0x0c /*UTF8String*/);
+
+inline ByteString CN(const char* value,
+ uint8_t encodingTag = 0x0c /*UTF8String*/) {
+ return CN(
+ ByteString(reinterpret_cast<const uint8_t*>(value), std::strlen(value)),
+ encodingTag);
+}
+
+ByteString OU(const ByteString&, uint8_t encodingTag = 0x0c /*UTF8String*/);
+
+inline ByteString OU(const char* value,
+ uint8_t encodingTag = 0x0c /*UTF8String*/) {
+ return OU(
+ ByteString(reinterpret_cast<const uint8_t*>(value), std::strlen(value)),
+ encodingTag);
+}
+
+ByteString emailAddress(const ByteString&);
+
+inline ByteString emailAddress(const char* value) {
+ return emailAddress(
+ ByteString(reinterpret_cast<const uint8_t*>(value), std::strlen(value)));
+}
+
+// RelativeDistinguishedName ::=
+// SET SIZE (1..MAX) OF AttributeTypeAndValue
+//
+ByteString RDN(const ByteString& avas);
+
+// Name ::= CHOICE { -- only one possibility for now --
+// rdnSequence RDNSequence }
+//
+// RDNSequence ::= SEQUENCE OF RelativeDistinguishedName
+//
+ByteString Name(const ByteString& rdns);
+
+inline ByteString CNToDERName(const ByteString& cn) {
+ return Name(RDN(CN(cn)));
+}
+
+inline ByteString CNToDERName(const char* cn) { return Name(RDN(CN(cn))); }
+
+// GeneralName ::= CHOICE {
+// otherName [0] OtherName,
+// rfc822Name [1] IA5String,
+// dNSName [2] IA5String,
+// x400Address [3] ORAddress,
+// directoryName [4] Name,
+// ediPartyName [5] EDIPartyName,
+// uniformResourceIdentifier [6] IA5String,
+// iPAddress [7] OCTET STRING,
+// registeredID [8] OBJECT IDENTIFIER }
+
+inline ByteString RFC822Name(const ByteString& name) {
+ // (2 << 6) means "context-specific", 1 is the GeneralName tag.
+ return TLV((2 << 6) | 1, name);
+}
+
+template <size_t L>
+inline ByteString RFC822Name(const char (&bytes)[L]) {
+ return RFC822Name(
+ ByteString(reinterpret_cast<const uint8_t*>(&bytes), L - 1));
+}
+
+inline ByteString DNSName(const ByteString& name) {
+ // (2 << 6) means "context-specific", 2 is the GeneralName tag.
+ return TLV((2 << 6) | 2, name);
+}
+
+template <size_t L>
+inline ByteString DNSName(const char (&bytes)[L]) {
+ return DNSName(ByteString(reinterpret_cast<const uint8_t*>(&bytes), L - 1));
+}
+
+inline ByteString DirectoryName(const ByteString& name) {
+ // (2 << 6) means "context-specific", (1 << 5) means "constructed", and 4 is
+ // the DirectoryName tag.
+ return TLV((2 << 6) | (1 << 5) | 4, name);
+}
+
+inline ByteString IPAddress() {
+ // (2 << 6) means "context-specific", 7 is the GeneralName tag.
+ return TLV((2 << 6) | 7, ByteString());
+}
+
+template <size_t L>
+inline ByteString IPAddress(const uint8_t (&bytes)[L]) {
+ // (2 << 6) means "context-specific", 7 is the GeneralName tag.
+ return TLV((2 << 6) | 7, ByteString(bytes, L));
+}
+
+// Names should be zero or more GeneralNames, like DNSName and IPAddress return,
+// concatenated together.
+//
+// CreatedEncodedSubjectAltName(ByteString()) results in a SAN with an empty
+// sequence. CreateEmptyEncodedSubjectName() results in a SAN without any
+// sequence.
+ByteString CreateEncodedSubjectAltName(const ByteString& names);
+ByteString CreateEncodedEmptySubjectAltName();
+
+class TestKeyPair {
+ public:
+ virtual ~TestKeyPair() {}
+
+ const TestPublicKeyAlgorithm publicKeyAlg;
+
+ // The DER encoding of the entire SubjectPublicKeyInfo structure. This is
+ // what is encoded in certificates.
+ const ByteString subjectPublicKeyInfo;
+
+ // The DER encoding of subjectPublicKeyInfo.subjectPublicKey. This is what is
+ // hashed to create CertIDs for OCSP.
+ const ByteString subjectPublicKey;
+
+ virtual Result SignData(const ByteString& tbs,
+ const TestSignatureAlgorithm& signatureAlgorithm,
+ /*out*/ ByteString& signature) const = 0;
+
+ virtual TestKeyPair* Clone() const = 0;
+
+ protected:
+ TestKeyPair(const TestPublicKeyAlgorithm& publicKeyAlg,
+ const ByteString& spk);
+ TestKeyPair(const TestKeyPair&) = delete;
+ void operator=(const TestKeyPair&) = delete;
+};
+
+TestKeyPair* CloneReusedKeyPair();
+TestKeyPair* GenerateKeyPair();
+TestKeyPair* GenerateDSSKeyPair();
+inline void DeleteTestKeyPair(TestKeyPair* keyPair) { delete keyPair; }
+typedef std::unique_ptr<TestKeyPair> ScopedTestKeyPair;
+
+Result TestVerifyECDSASignedDigest(const SignedDigest& signedDigest,
+ Input subjectPublicKeyInfo);
+Result TestVerifyRSAPKCS1SignedDigest(const SignedDigest& signedDigest,
+ Input subjectPublicKeyInfo);
+Result TestDigestBuf(Input item, DigestAlgorithm digestAlg,
+ /*out*/ uint8_t* digestBuf, size_t digestBufLen);
+
+// Replace one substring in item with another of the same length, but only if
+// the substring was found exactly once. The "same length" restriction is
+// useful for avoiding invalidating lengths encoded within the item. The
+// "only once" restriction is helpful for avoiding making accidental changes.
+//
+// The string to search for must be 8 or more bytes long so that it is
+// extremely unlikely that there will ever be any false positive matches
+// in digital signatures, keys, hashes, etc.
+Result TamperOnce(/*in/out*/ ByteString& item, const ByteString& from,
+ const ByteString& to);
+
+///////////////////////////////////////////////////////////////////////////////
+// Encode Certificates
+
+enum Version { v1 = 0, v2 = 1, v3 = 2 };
+
+// signature is assumed to be the DER encoding of an AlgorithmIdentifer. It is
+// put into the signature field of the TBSCertificate. In most cases, it will
+// be the same as signatureAlgorithm, which is the algorithm actually used
+// to sign the certificate.
+// serialNumber is assumed to be the DER encoding of an INTEGER.
+//
+// If extensions is null, then no extensions will be encoded. Otherwise,
+// extensions must point to an array of ByteStrings, terminated with an empty
+// ByteString. (If the first item of the array is empty then an empty
+// Extensions sequence will be encoded.)
+ByteString CreateEncodedCertificate(
+ long version, const TestSignatureAlgorithm& signature,
+ const ByteString& serialNumber, const ByteString& issuerNameDER,
+ time_t notBefore, time_t notAfter, const ByteString& subjectNameDER,
+ const TestKeyPair& subjectKeyPair,
+ /*optional*/ const ByteString* extensions, const TestKeyPair& issuerKeyPair,
+ const TestSignatureAlgorithm& signatureAlgorithm);
+
+ByteString CreateEncodedSerialNumber(long value);
+
+enum class Critical { No = 0, Yes = 1 };
+
+ByteString CreateEncodedBasicConstraints(
+ bool isCA,
+ /*optional in*/ const long* pathLenConstraint, Critical critical);
+
+// Creates a DER-encoded extKeyUsage extension with one EKU OID.
+ByteString CreateEncodedEKUExtension(Input eku, Critical critical);
+
+///////////////////////////////////////////////////////////////////////////////
+// Encode OCSP responses
+
+class OCSPResponseExtension final {
+ public:
+ OCSPResponseExtension();
+
+ ByteString id;
+ bool critical;
+ ByteString value;
+ OCSPResponseExtension* next;
+};
+
+class OCSPResponseContext final {
+ public:
+ OCSPResponseContext(const CertID& certID, std::time_t time);
+
+ const CertID& certID;
+ // TODO(bug 980538): add a way to specify what certificates are included.
+
+ // The fields below are in the order that they appear in an OCSP response.
+
+ enum OCSPResponseStatus {
+ successful = 0,
+ malformedRequest = 1,
+ internalError = 2,
+ tryLater = 3,
+ // 4 is not used
+ sigRequired = 5,
+ unauthorized = 6,
+ };
+ uint8_t responseStatus; // an OCSPResponseStatus or an invalid value
+ bool skipResponseBytes; // If true, don't include responseBytes
+
+ // responderID
+ ByteString signerNameDER; // If set, responderID will use the byName
+ // form; otherwise responderID will use the
+ // byKeyHash form.
+
+ std::time_t producedAt;
+
+ // SingleResponse extensions (for the certID given in the constructor).
+ OCSPResponseExtension* singleExtensions;
+ // ResponseData extensions.
+ OCSPResponseExtension* responseExtensions;
+ bool includeEmptyExtensions; // If true, include the extension wrapper
+ // regardless of if there are any actual
+ // extensions.
+ ScopedTestKeyPair signerKeyPair;
+ TestSignatureAlgorithm signatureAlgorithm;
+ bool badSignature; // If true, alter the signature to fail verification
+ const ByteString* certs; // optional; array terminated by an empty string
+
+ // The following fields are on a per-SingleResponse basis. In the future we
+ // may support including multiple SingleResponses per response.
+ enum CertStatus {
+ good = 0,
+ revoked = 1,
+ unknown = 2,
+ };
+ uint8_t certStatus; // CertStatus or an invalid value
+ std::time_t revocationTime; // For certStatus == revoked
+ std::time_t thisUpdate;
+ std::time_t nextUpdate;
+ bool includeNextUpdate;
+};
+
+ByteString CreateEncodedOCSPResponse(OCSPResponseContext& context);
+}
+}
+} // namespace mozilla::pkix::test
+
+#endif // mozilla_pkix_test_pkixtestutil_h
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