//////////////////////////////////////////////////////////////////////////////// // Copyright 2013 Google LLC. // // This software is licensed under the terms defined in the Widevine Master // License Agreement. For a copy of this agreement, please contact // widevine-licensing@google.com. //////////////////////////////////////////////////////////////////////////////// // common_typos_disable. Successful / successfull. #include "common/drm_root_certificate.h" #include #include "glog/logging.h" #include "absl/memory/memory.h" #include "absl/strings/escaping.h" #include "absl/synchronization/mutex.h" #include "common/error_space.h" #include "common/rsa_key.h" #include "common/sha_util.h" #include "protos/public/drm_certificate.pb.h" #include "protos/public/errors.pb.h" #include "protos/public/signed_drm_certificate.pb.h" namespace widevine { namespace { const char kDevelopmentString[] = "dev"; // QA systems. const char kProductionString[] = "prod"; // Production. const char kTestingString[] = "test"; // Code development / unit tests. const bool kUseCache = true; // From common::TestDrmCertificates. // TODO(user): common::test_certificates is a testonly target, consider // how to use instead of dupliciating the test cert here. static const unsigned char kTestRootCertificate[] = { 0x0a, 0x99, 0x03, 0x08, 0x00, 0x12, 0x01, 0x00, 0x18, 0xb9, 0x60, 0x22, 0x8e, 0x03, 0x30, 0x82, 0x01, 0x8a, 0x02, 0x82, 0x01, 0x81, 0x00, 0xa5, 0x62, 0x07, 0xdf, 0xc8, 0x84, 0x74, 0xe1, 0x2a, 0xb7, 0xbb, 0xc0, 0x78, 0x76, 0xbe, 0x13, 0x3b, 0xe6, 0x2c, 0x09, 0x9d, 0x35, 0x3f, 0xf3, 0x0f, 0xe9, 0x61, 0x96, 0x20, 0x53, 0x6e, 0x78, 0x62, 0xe0, 0x10, 0xd2, 0xca, 0xe4, 0xdd, 0xd5, 0x96, 0xaf, 0x9a, 0xd7, 0x08, 0x47, 0xe4, 0x55, 0x1b, 0x83, 0xbe, 0x10, 0x66, 0x74, 0x08, 0xf2, 0x49, 0x79, 0xea, 0x29, 0x46, 0xc2, 0x65, 0x97, 0xa6, 0xcc, 0x4b, 0xa4, 0x08, 0xc3, 0x04, 0x17, 0x01, 0xb5, 0x11, 0x53, 0xe9, 0x68, 0x34, 0x3c, 0x26, 0x56, 0x44, 0x37, 0x5c, 0xb4, 0x7a, 0x1d, 0x5d, 0x6c, 0x58, 0xc2, 0x82, 0xa0, 0x92, 0xf1, 0x14, 0xf1, 0x22, 0xff, 0x64, 0xde, 0xdf, 0xb3, 0x3d, 0x9d, 0xa5, 0x86, 0xcd, 0xa0, 0x0a, 0x63, 0x08, 0xdd, 0x60, 0x5d, 0xfd, 0xa4, 0x01, 0xe3, 0xb6, 0x0e, 0x85, 0xe4, 0xc3, 0x37, 0x61, 0xd0, 0xe7, 0x12, 0xe9, 0xc4, 0xde, 0xf2, 0x59, 0x11, 0xe3, 0x5b, 0x02, 0x9f, 0x24, 0xb9, 0xb0, 0xbb, 0x31, 0xa0, 0xee, 0x6a, 0x2c, 0xb4, 0x30, 0xff, 0xe0, 0xf0, 0x93, 0xee, 0x3a, 0xae, 0xb2, 0x2e, 0x84, 0xa0, 0x47, 0x42, 0x51, 0xbb, 0xfa, 0xbb, 0x90, 0x97, 0x2c, 0x77, 0x45, 0xee, 0x2c, 0xfb, 0xec, 0x5d, 0xd8, 0xca, 0x49, 0x94, 0x53, 0x5d, 0x37, 0xaf, 0x86, 0x47, 0xda, 0xe2, 0xbd, 0xf0, 0x5f, 0x07, 0x53, 0x8a, 0x10, 0xd0, 0x9a, 0xd0, 0x7f, 0xe9, 0xef, 0xf6, 0xda, 0xea, 0x1e, 0x2e, 0x54, 0xec, 0x44, 0xde, 0x3a, 0xe1, 0xc8, 0xdb, 0x17, 0xe8, 0xc9, 0x3a, 0x81, 0x11, 0x4d, 0xb7, 0x2d, 0x09, 0x83, 0xab, 0x30, 0xb7, 0xf5, 0x1b, 0x03, 0x86, 0x21, 0xa9, 0xf5, 0xca, 0x15, 0x26, 0xaf, 0x39, 0xf3, 0x5d, 0x01, 0x7d, 0xe3, 0x19, 0x54, 0xd1, 0x2e, 0x10, 0x16, 0x9c, 0xee, 0xc3, 0xbd, 0xcc, 0xdb, 0x02, 0x82, 0xd0, 0x60, 0x0b, 0x42, 0x72, 0x85, 0xec, 0xdc, 0x41, 0x7c, 0xf1, 0x34, 0xd8, 0x27, 0x21, 0xf9, 0xa6, 0x82, 0x40, 0xd3, 0xc5, 0xc9, 0xf9, 0x6b, 0xc9, 0x12, 0x64, 0xe4, 0x3a, 0x3b, 0xc9, 0x8f, 0x3c, 0xd0, 0x2c, 0xb8, 0xb8, 0xf3, 0x05, 0x4a, 0xe9, 0x4c, 0x46, 0x2b, 0xb6, 0xe1, 0xed, 0x82, 0xb2, 0xf0, 0xd1, 0x72, 0x71, 0x04, 0x35, 0x19, 0xc1, 0x16, 0x17, 0xd6, 0x75, 0xe0, 0xab, 0xde, 0x8f, 0xe1, 0xc1, 0x49, 0x68, 0x0c, 0xc8, 0xce, 0x6d, 0x87, 0x50, 0x04, 0xb5, 0xd7, 0x24, 0xf4, 0x2e, 0x0c, 0x11, 0x35, 0xb2, 0x67, 0x85, 0x1b, 0x38, 0xff, 0x2f, 0x71, 0xf5, 0x30, 0x18, 0x1e, 0x6f, 0xd7, 0xf0, 0x33, 0x61, 0x53, 0x7e, 0x55, 0x7f, 0x0d, 0x60, 0x83, 0xf3, 0x8a, 0x2b, 0x67, 0xd5, 0xf0, 0x2e, 0x23, 0x23, 0x60, 0x0b, 0x83, 0x9c, 0xc2, 0x87, 0x02, 0x03, 0x01, 0x00, 0x01, 0x12, 0x80, 0x03, 0x7f, 0x83, 0xde, 0xf0, 0x6a, 0x07, 0x2b, 0x8c, 0xd7, 0x0c, 0xb8, 0x75, 0x50, 0xce, 0xe8, 0xa9, 0x35, 0xcb, 0x9d, 0xe3, 0x83, 0x89, 0xe6, 0x78, 0xb2, 0x12, 0x12, 0x16, 0xfe, 0x62, 0xf9, 0xed, 0x1d, 0x1d, 0xda, 0x82, 0x67, 0x82, 0x30, 0xf8, 0x49, 0xc2, 0x49, 0x65, 0x3b, 0xa3, 0x69, 0xaa, 0xd4, 0xaa, 0xfa, 0x74, 0xa6, 0xf1, 0xc3, 0xd8, 0xd0, 0x84, 0x27, 0x00, 0xa2, 0xec, 0xbd, 0xcf, 0x58, 0xf2, 0xf6, 0x60, 0x00, 0xeb, 0x50, 0xae, 0x06, 0x9e, 0x5c, 0xd2, 0xce, 0xc0, 0xbc, 0x73, 0xdb, 0x66, 0xc4, 0x93, 0x39, 0x22, 0x92, 0x92, 0x27, 0x71, 0x3c, 0x25, 0x66, 0x96, 0x2e, 0xda, 0x66, 0x65, 0xbc, 0x38, 0xf5, 0x4e, 0x8e, 0x68, 0x4d, 0x5f, 0x8f, 0xf5, 0x90, 0xcc, 0xfb, 0xf3, 0x8c, 0x63, 0x3f, 0xe2, 0xf9, 0x4a, 0x37, 0xec, 0x68, 0x0b, 0x00, 0xcd, 0x0e, 0x13, 0x66, 0x06, 0x2f, 0x37, 0xc7, 0x3a, 0xa3, 0x7a, 0x1e, 0xb8, 0x12, 0x1d, 0xf4, 0x09, 0xba, 0xfc, 0x55, 0x1d, 0xa8, 0x54, 0x4a, 0x4c, 0x54, 0xda, 0x32, 0xe3, 0x4c, 0xa2, 0x03, 0xae, 0x65, 0xf0, 0x81, 0x4a, 0xe8, 0xc7, 0x93, 0x78, 0xdf, 0xc0, 0x3d, 0xc5, 0x24, 0xdc, 0x45, 0x27, 0xe1, 0xba, 0xc8, 0xe2, 0x1f, 0x27, 0x7c, 0x61, 0xba, 0x1b, 0x31, 0xc0, 0xf1, 0xad, 0x13, 0xdd, 0x61, 0x31, 0xf4, 0xc0, 0xe9, 0x0e, 0x8c, 0x8e, 0xe8, 0xd1, 0xf8, 0xdb, 0x76, 0xdf, 0x3f, 0x1a, 0x25, 0x28, 0x46, 0xc4, 0xf4, 0xdb, 0x8a, 0x3b, 0x03, 0x16, 0x96, 0x6b, 0x28, 0x0f, 0x05, 0xe6, 0xa9, 0xcb, 0x0d, 0x95, 0x57, 0x89, 0x3e, 0x4c, 0x70, 0xed, 0x84, 0x45, 0xdd, 0x88, 0x43, 0x4b, 0xc1, 0x9e, 0x52, 0xb3, 0x3a, 0xa1, 0xd9, 0xd4, 0xf9, 0x68, 0x08, 0x0b, 0x83, 0x35, 0x75, 0xf1, 0x2a, 0xa7, 0xce, 0xf6, 0x3f, 0x4a, 0x84, 0xd0, 0x0c, 0xfa, 0xf2, 0x0f, 0x42, 0x28, 0x1a, 0x1a, 0x92, 0xa7, 0x7d, 0x6f, 0xad, 0x57, 0x82, 0x44, 0x1a, 0x6d, 0x35, 0x85, 0x15, 0x2c, 0xd4, 0x28, 0xb4, 0x7c, 0xde, 0x66, 0x3b, 0xeb, 0x6d, 0x32, 0xc0, 0x30, 0xdf, 0x16, 0x99, 0x2e, 0xce, 0x8d, 0x23, 0x43, 0x06, 0x00, 0xe9, 0xb1, 0x94, 0x20, 0x42, 0x2a, 0xf5, 0xf1, 0x79, 0x4f, 0x2c, 0xd9, 0xe1, 0xc7, 0x2e, 0xd4, 0x8a, 0x31, 0x5a, 0x80, 0x27, 0x57, 0xa6, 0xfc, 0xb2, 0x47, 0x4c, 0x5b, 0x05, 0x22, 0x82, 0x77, 0x76, 0xbe, 0xd4, 0x23, 0x8c, 0xdf, 0xfc, 0xe9, 0xbc, 0x01, 0xc0, 0x16, 0x60, 0xff, 0x00, 0x45, 0x36, 0x2f, 0x29, 0x5f, 0x5f, 0xa8, 0x83, 0x8a, 0x55, 0xc2, 0x39, 0x72, 0x35, 0xc2, 0xb4, 0x81, 0xf7, 0xd7, 0x40, 0x15, 0x0c, 0xf1, 0xef, 0x58, 0xe7, 0xc4, 0xc1, 0x23, 0x47, 0x92, 0x29, 0x44}; static const unsigned char kDevRootCertificate[] = { 0x0a, 0x9c, 0x03, 0x08, 0x00, 0x12, 0x01, 0x00, 0x18, 0xc3, 0x94, 0x88, 0x8b, 0x05, 0x22, 0x8e, 0x03, 0x30, 0x82, 0x01, 0x8a, 0x02, 0x82, 0x01, 0x81, 0x00, 0xc0, 0x00, 0x36, 0x6f, 0x8e, 0xe9, 0xcf, 0x86, 0xdb, 0xcd, 0xdd, 0x4e, 0xfd, 0xcd, 0x45, 0xbf, 0x6d, 0x96, 0x05, 0x00, 0xb8, 0x72, 0xff, 0x9c, 0xb4, 0x39, 0xa8, 0xd8, 0xc0, 0x09, 0x73, 0xc0, 0x24, 0x6a, 0x39, 0x4d, 0x36, 0x3f, 0x9a, 0xe4, 0xb8, 0x76, 0xdc, 0x34, 0xe3, 0xee, 0x5f, 0xdd, 0x13, 0x20, 0x08, 0xdc, 0x4e, 0x6f, 0x4e, 0x9f, 0xc0, 0x36, 0xf9, 0xce, 0xc6, 0xb7, 0xdb, 0xe0, 0x51, 0x2d, 0x30, 0x0b, 0xae, 0x0a, 0x20, 0xd2, 0x29, 0x3c, 0x2c, 0x1d, 0x87, 0x65, 0xeb, 0x5f, 0x93, 0xd7, 0x3f, 0x12, 0x08, 0x50, 0x0e, 0x55, 0xf3, 0xf1, 0x19, 0xee, 0x18, 0x21, 0x6e, 0xea, 0xb6, 0x0a, 0x4a, 0x0b, 0x9c, 0x72, 0x37, 0xeb, 0x0b, 0x68, 0xfc, 0x52, 0x46, 0x62, 0xd0, 0xa2, 0x99, 0x66, 0xe2, 0x2b, 0x74, 0xdd, 0x5c, 0xaf, 0x9a, 0x03, 0xc4, 0x5d, 0x93, 0xfb, 0xcd, 0x45, 0x9a, 0xee, 0xfb, 0x7b, 0x18, 0x94, 0xc1, 0x8c, 0x82, 0x34, 0x7f, 0x02, 0x12, 0x21, 0xfc, 0x40, 0xc1, 0x50, 0xc9, 0xf4, 0x7c, 0xd5, 0x96, 0xbe, 0x55, 0x7f, 0x3c, 0x1d, 0x70, 0x34, 0xb4, 0xa2, 0x03, 0xc4, 0x3f, 0x89, 0x60, 0xe4, 0x24, 0x09, 0x1a, 0x74, 0xc4, 0xb6, 0x39, 0xf0, 0x34, 0x60, 0x8e, 0xa7, 0x5f, 0x02, 0x7f, 0xb9, 0x2a, 0xc5, 0xaa, 0xb2, 0x4c, 0x34, 0xd3, 0x5a, 0x5d, 0xfa, 0x07, 0xf2, 0xb9, 0xb3, 0xc1, 0xba, 0xab, 0xbe, 0x89, 0x99, 0xe3, 0x6d, 0x9b, 0xa9, 0xd3, 0xaf, 0x2a, 0x08, 0x76, 0xf3, 0x0e, 0xc9, 0xe0, 0xb3, 0xbf, 0x51, 0x0c, 0xc5, 0xf4, 0xf3, 0x15, 0x7b, 0x08, 0x11, 0x8f, 0x61, 0x1f, 0x61, 0x64, 0xdb, 0x15, 0x84, 0x5b, 0x8a, 0xd1, 0x28, 0x40, 0xde, 0xc5, 0x32, 0xb5, 0xad, 0xad, 0x65, 0x4c, 0xf5, 0xf7, 0xd1, 0x90, 0x14, 0x5d, 0xc2, 0x85, 0x98, 0xcc, 0xe9, 0xe6, 0x95, 0x42, 0xe1, 0x3e, 0xfc, 0x7f, 0xc4, 0x49, 0xed, 0x9c, 0xe4, 0x49, 0x3f, 0x03, 0x1b, 0x0d, 0xa0, 0xfb, 0xf5, 0x38, 0x49, 0xd2, 0xdf, 0xa3, 0x88, 0xb2, 0x76, 0x93, 0x08, 0x20, 0x18, 0xfe, 0xdc, 0x72, 0x6c, 0x6e, 0xbf, 0x61, 0x37, 0x03, 0xdb, 0xe5, 0x72, 0x68, 0xe0, 0x99, 0x2f, 0xb9, 0xe0, 0x2e, 0xbb, 0x9f, 0x96, 0x36, 0x61, 0xaa, 0x2d, 0xa4, 0x93, 0xe8, 0x50, 0x58, 0xe6, 0x61, 0xe1, 0x14, 0xcf, 0xac, 0x86, 0x98, 0x7f, 0x3c, 0x67, 0x16, 0xce, 0xb8, 0x70, 0x90, 0x3a, 0x5a, 0xd4, 0xe1, 0xe2, 0x35, 0x98, 0xbf, 0x93, 0x41, 0x11, 0xb2, 0x44, 0xb2, 0x64, 0xc2, 0xe7, 0x09, 0x45, 0xb7, 0x6f, 0xb0, 0xbd, 0x6e, 0xe8, 0x67, 0xfa, 0x8d, 0xd4, 0xfa, 0x4b, 0xef, 0xa8, 0x9d, 0x8a, 0x0a, 0xd9, 0x14, 0x77, 0x09, 0x11, 0x9e, 0xc3, 0x50, 0x14, 0x6c, 0x45, 0x02, 0x03, 0x01, 0x00, 0x01, 0x12, 0x80, 0x03, 0x17, 0x01, 0x60, 0x24, 0xe1, 0xfd, 0x75, 0x60, 0x17, 0x5c, 0x5e, 0x6f, 0x9f, 0x7f, 0xdf, 0xee, 0xf0, 0xf7, 0x7d, 0xb2, 0x50, 0x65, 0x36, 0x26, 0x14, 0x19, 0x01, 0x5e, 0x98, 0x94, 0x65, 0x97, 0x83, 0xaa, 0x4a, 0x2b, 0x98, 0x2e, 0x02, 0xf3, 0xb2, 0xc9, 0xb2, 0xed, 0xd3, 0x1b, 0x20, 0x27, 0x9e, 0xe1, 0x25, 0xc7, 0x86, 0xf0, 0x66, 0x68, 0x5d, 0xd2, 0x3d, 0xa7, 0xbb, 0xbc, 0x22, 0xfc, 0x29, 0xfa, 0x17, 0x16, 0xf4, 0xa2, 0x00, 0x10, 0x87, 0xb4, 0x5d, 0x51, 0x45, 0x6b, 0xc8, 0xf4, 0x6b, 0xcc, 0x92, 0x91, 0xe7, 0xa7, 0x93, 0xbc, 0xc7, 0x2e, 0xdc, 0xac, 0x82, 0x2b, 0x85, 0x56, 0x7b, 0xae, 0xf2, 0xd8, 0xda, 0xa6, 0xd7, 0xfa, 0x6d, 0x70, 0x2a, 0x2e, 0xcf, 0x69, 0xef, 0x57, 0x91, 0xa7, 0xaa, 0x40, 0x15, 0x4a, 0x49, 0x1b, 0xbc, 0x36, 0xbb, 0x1c, 0x94, 0x33, 0x36, 0x61, 0x22, 0x9d, 0x22, 0x66, 0xf0, 0x88, 0x5e, 0x7c, 0x3c, 0xa5, 0xff, 0x81, 0xcf, 0x1a, 0x44, 0xa1, 0x2b, 0xdf, 0xc9, 0x3d, 0xd5, 0xc7, 0xc7, 0x3a, 0x75, 0xac, 0x29, 0xfa, 0xfd, 0x5b, 0xda, 0xf5, 0x8f, 0xd9, 0xdf, 0x08, 0xa4, 0x8d, 0x19, 0x4a, 0xa4, 0x79, 0x6e, 0x47, 0xf6, 0x07, 0xe0, 0xbd, 0xbf, 0x30, 0x3a, 0xf9, 0xf5, 0xc0, 0x90, 0x6d, 0x70, 0x27, 0x44, 0xa8, 0x5e, 0x70, 0xcd, 0x43, 0x3e, 0xaf, 0xf0, 0xd7, 0x20, 0xd3, 0x5e, 0x97, 0x2d, 0x32, 0x1a, 0x3d, 0x2d, 0x0f, 0x0f, 0xcf, 0xac, 0x4e, 0x88, 0x75, 0x98, 0x6c, 0xfa, 0xe8, 0x42, 0x58, 0x99, 0xaa, 0x45, 0x0c, 0x41, 0x0c, 0x6e, 0x27, 0x58, 0x57, 0xd2, 0x5b, 0x82, 0x3d, 0x75, 0x2f, 0x9e, 0xf3, 0xe4, 0x00, 0xcf, 0x91, 0x48, 0x25, 0xca, 0x98, 0xf2, 0x91, 0x6b, 0x41, 0xa5, 0xe8, 0xcd, 0x64, 0xa7, 0x2e, 0x78, 0xc7, 0x76, 0x82, 0x3f, 0xf8, 0x57, 0x8a, 0x9d, 0x78, 0x25, 0xad, 0xf3, 0x1a, 0x8b, 0xfc, 0x83, 0x9a, 0x98, 0x87, 0xe4, 0x55, 0x3e, 0x1c, 0xa7, 0x80, 0x8f, 0xd6, 0x76, 0xab, 0x03, 0xc7, 0x05, 0x66, 0xc3, 0xa0, 0x4c, 0x33, 0x1f, 0x39, 0x74, 0x1b, 0x2a, 0xbf, 0xe6, 0xb0, 0x9f, 0x6b, 0xc1, 0xd6, 0xd3, 0xf4, 0x46, 0x9b, 0xf3, 0xab, 0xca, 0x2e, 0x88, 0x3d, 0x84, 0x5f, 0xc9, 0x9b, 0x47, 0xbb, 0x57, 0x64, 0x08, 0x0e, 0x18, 0x74, 0x83, 0x44, 0xd4, 0xc3, 0x18, 0x97, 0xcf, 0x89, 0x6a, 0x49, 0x51, 0xc6, 0xff, 0x8d, 0x39, 0xc5, 0x23, 0xf9, 0xd5, 0x01, 0xd7, 0x2f, 0xa9, 0xa5, 0x5d, 0xa9, 0xf3, 0xc9, 0xfd, 0xc4, 0x52, 0x19, 0x7d, 0xf6, 0xa4, 0x2c, 0x0c, 0xa0, 0x07, 0xdf, 0x7b, 0x44, 0xd7, 0xe5, 0xbf, 0x57, 0x87, 0xc9, 0x8c, 0xfe, 0x30, 0xb2, 0x89, 0x5d, 0x00, 0x03, 0x3b, 0xe5}; static const unsigned char kProdRootCertificate[] = { 0x0a, 0x9c, 0x03, 0x08, 0x00, 0x12, 0x01, 0x00, 0x18, 0xdd, 0x94, 0x88, 0x8b, 0x05, 0x22, 0x8e, 0x03, 0x30, 0x82, 0x01, 0x8a, 0x02, 0x82, 0x01, 0x81, 0x00, 0xb4, 0xfe, 0x39, 0xc3, 0x65, 0x90, 0x03, 0xdb, 0x3c, 0x11, 0x97, 0x09, 0xe8, 0x68, 0xcd, 0xf2, 0xc3, 0x5e, 0x9b, 0xf2, 0xe7, 0x4d, 0x23, 0xb1, 0x10, 0xdb, 0x87, 0x65, 0xdf, 0xdc, 0xfb, 0x9f, 0x35, 0xa0, 0x57, 0x03, 0x53, 0x4c, 0xf6, 0x6d, 0x35, 0x7d, 0xa6, 0x78, 0xdb, 0xb3, 0x36, 0xd2, 0x3f, 0x9c, 0x40, 0xa9, 0x95, 0x26, 0x72, 0x7f, 0xb8, 0xbe, 0x66, 0xdf, 0xc5, 0x21, 0x98, 0x78, 0x15, 0x16, 0x68, 0x5d, 0x2f, 0x46, 0x0e, 0x43, 0xcb, 0x8a, 0x84, 0x39, 0xab, 0xfb, 0xb0, 0x35, 0x80, 0x22, 0xbe, 0x34, 0x23, 0x8b, 0xab, 0x53, 0x5b, 0x72, 0xec, 0x4b, 0xb5, 0x48, 0x69, 0x53, 0x3e, 0x47, 0x5f, 0xfd, 0x09, 0xfd, 0xa7, 0x76, 0x13, 0x8f, 0x0f, 0x92, 0xd6, 0x4c, 0xdf, 0xae, 0x76, 0xa9, 0xba, 0xd9, 0x22, 0x10, 0xa9, 0x9d, 0x71, 0x45, 0xd6, 0xd7, 0xe1, 0x19, 0x25, 0x85, 0x9c, 0x53, 0x9a, 0x97, 0xeb, 0x84, 0xd7, 0xcc, 0xa8, 0x88, 0x82, 0x20, 0x70, 0x26, 0x20, 0xfd, 0x7e, 0x40, 0x50, 0x27, 0xe2, 0x25, 0x93, 0x6f, 0xbc, 0x3e, 0x72, 0xa0, 0xfa, 0xc1, 0xbd, 0x29, 0xb4, 0x4d, 0x82, 0x5c, 0xc1, 0xb4, 0xcb, 0x9c, 0x72, 0x7e, 0xb0, 0xe9, 0x8a, 0x17, 0x3e, 0x19, 0x63, 0xfc, 0xfd, 0x82, 0x48, 0x2b, 0xb7, 0xb2, 0x33, 0xb9, 0x7d, 0xec, 0x4b, 0xba, 0x89, 0x1f, 0x27, 0xb8, 0x9b, 0x88, 0x48, 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0xc8, 0x56, 0x4f, 0x00, 0x29, 0x1d, 0x08, 0x7b, 0x7a, 0xfb, 0x95, 0x89, 0xc3, 0xee, 0x98, 0x54, 0x9e, 0x3c, 0x6b, 0x94, 0x05, 0x13, 0x12, 0xf6, 0x71, 0xb9, 0xab, 0x13, 0xc3, 0x0c, 0x9b, 0x46, 0x08, 0x7b, 0x3d, 0x32, 0x6a, 0x68, 0xca, 0x1e, 0x9c, 0x90, 0x62, 0xc5, 0xed, 0x10, 0xb9, 0x1f, 0x17, 0x25, 0xce, 0x90, 0xb9, 0x6d, 0xcd, 0xc4, 0x46, 0xf5, 0xa3, 0x62, 0x13, 0x74, 0x02, 0xa7, 0x62, 0xa4, 0xfa, 0x55, 0xd9, 0xde, 0xcf, 0xa2, 0xe6, 0x80, 0x74, 0x55, 0x06, 0x49, 0xd5, 0x02, 0x0c}; } // namespace // Caches an individual signature for a certificate with a specific serial // number (signer). struct VerifiedCertSignature { VerifiedCertSignature(const std::string& cert, const std::string& sig, const std::string& signer_sn) : signed_cert(cert), signature(sig), signer_serial(signer_sn) {} std::string signed_cert; std::string signature; std::string signer_serial; }; // Map of certificate serial number to its signature. typedef std::map VerifiedCertSignatures; class VerifiedCertSignatureCache { public: explicit VerifiedCertSignatureCache(const RsaKeyFactory* key_factory) : key_factory_(key_factory) {} // Checks cache, on miss, uses public key. If successful, adds to // cache. Status VerifySignature(const std::string& cert, const std::string& serial_number, const std::string& signature, const std::string& signer_public_key, const std::string& signer_serial_number) { { VerifiedCertSignatures::iterator cached_signature; absl::ReaderMutexLock read_lock(&signature_cache_mutex_); cached_signature = signature_cache_.find(serial_number); if (cached_signature != signature_cache_.end()) { // TODO(user): Log which of the following three conditions occurs. if ((cert != cached_signature->second.signed_cert) || (signature != cached_signature->second.signature) || (signer_serial_number != cached_signature->second.signer_serial)) { // Cached signature mismatch. return Status(error_space, INVALID_SIGNATURE, "cached-signature-mismatch"); } // Cached signature match. return OkStatus(); } } // Cache miss. Verify signature. std::unique_ptr signer_key( key_factory_->CreateFromPkcs1PublicKey(signer_public_key)); if (!signer_key) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-signer-public-key"); } if (!signer_key->VerifySignature(cert, signature)) { return Status(error_space, INVALID_SIGNATURE, "cache-miss-invalid-signature"); } // Add signature to cache. absl::WriterMutexLock write_lock(&signature_cache_mutex_); signature_cache_.emplace( serial_number, VerifiedCertSignature(cert, signature, signer_serial_number)); return OkStatus(); } private: VerifiedCertSignatures signature_cache_ GUARDED_BY(&signature_cache_mutex_); absl::Mutex signature_cache_mutex_; const RsaKeyFactory* key_factory_; }; Status DrmRootCertificate::CreateByType( CertificateType cert_type, std::unique_ptr* cert) { CHECK(cert); return Create(cert_type, absl::make_unique(), cert); } std::unique_ptr DrmRootCertificate::CreateByType( CertificateType cert_type, Status* status) { CHECK(status); std::unique_ptr new_root_cert; *status = CreateByType(cert_type, &new_root_cert); return new_root_cert; } Status DrmRootCertificate::CreateByTypeString( const std::string& cert_type_string, std::unique_ptr* cert) { CHECK(cert); CertificateType cert_type; if (cert_type_string == kDevelopmentString) { cert_type = kCertificateTypeDevelopment; } else if (cert_type_string == kProductionString) { cert_type = kCertificateTypeProduction; } else if (cert_type_string == kTestingString) { cert_type = kCertificateTypeTesting; } else { return Status(error_space, INVALID_PARAMETER, absl::StrCat("invalid-certificate-type ", cert_type_string)); } return CreateByType(cert_type, cert); } Status DrmRootCertificate::Create(CertificateType cert_type, std::unique_ptr key_factory, std::unique_ptr* cert) { DCHECK(cert); std::string serialized_certificate; switch (cert_type) { case kCertificateTypeProduction: { serialized_certificate.assign( kProdRootCertificate, kProdRootCertificate + sizeof(kProdRootCertificate)); break; } case kCertificateTypeDevelopment: { serialized_certificate.assign( kDevRootCertificate, kDevRootCertificate + sizeof(kDevRootCertificate)); break; } case kCertificateTypeTesting: { serialized_certificate.assign( kTestRootCertificate, kTestRootCertificate + sizeof(kTestRootCertificate)); break; } default: return Status(error_space, INVALID_PARAMETER, "invalid-certificate-type"); } SignedDrmCertificate signed_root_cert; if (!signed_root_cert.ParseFromString(serialized_certificate)) { return Status(error_space, INVALID_DRM_CERTIFICATE, "signed-root-cert-deserialize-fail"); } DrmCertificate root_cert; if (!signed_root_cert.has_drm_certificate()) { return Status(error_space, INVALID_DRM_CERTIFICATE, "missing-root-device-certificate"); } if (!root_cert.ParseFromString(signed_root_cert.drm_certificate())) { return Status(error_space, INVALID_DRM_CERTIFICATE, "root-cert-deserialize-fail"); } if (!root_cert.has_public_key()) { return Status(error_space, INVALID_DRM_CERTIFICATE, "missing-root-cert-public-key"); } if (!signed_root_cert.has_signature()) { return Status(error_space, INVALID_DRM_CERTIFICATE, "missing-root-certificate-signature"); } std::unique_ptr public_key( key_factory->CreateFromPkcs1PublicKey(root_cert.public_key())); if (!public_key) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-root-public-key"); } if (!public_key->VerifySignature(signed_root_cert.drm_certificate(), signed_root_cert.signature())) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-root-certificate-signature"); } cert->reset(new DrmRootCertificate( cert_type, serialized_certificate, root_cert.serial_number(), root_cert.public_key(), std::move(key_factory))); return OkStatus(); } DrmRootCertificate::DrmRootCertificate( CertificateType type, const std::string& serialized_certificate, const std::string& serial_number, const std::string& public_key, std::unique_ptr key_factory) : type_(type), serialized_certificate_(serialized_certificate), serial_number_(serial_number), public_key_(public_key), key_factory_(std::move(key_factory)), signature_cache_(new VerifiedCertSignatureCache(key_factory_.get())) {} DrmRootCertificate::~DrmRootCertificate() {} std::string DrmRootCertificate::GetDigest() const { return absl::BytesToHexString(Sha256_Hash(serialized_certificate_)); } Status DrmRootCertificate::VerifyCertificate( const std::string& serialized_certificate, SignedDrmCertificate* signed_certificate, DrmCertificate* certificate) const { std::unique_ptr local_signed_certificate; if (!signed_certificate) { local_signed_certificate = absl::make_unique(); signed_certificate = local_signed_certificate.get(); } if (!signed_certificate->ParseFromString(serialized_certificate)) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-signed-drm-certificate"); } std::unique_ptr local_certificate; if (!certificate) { local_certificate = absl::make_unique(); certificate = local_certificate.get(); } if (signed_certificate->drm_certificate().empty() || !certificate->ParseFromString(signed_certificate->drm_certificate())) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-drm-certificate"); } if (certificate->serial_number().empty()) { return Status(error_space, INVALID_DRM_CERTIFICATE, "missing-serial-number"); } if (!certificate->has_creation_time_seconds()) { return Status(error_space, INVALID_DRM_CERTIFICATE, "missing-creation-time"); } if (certificate->public_key().empty()) { return Status(error_space, INVALID_DRM_CERTIFICATE, "missing-public-key"); } // Verify signature chain, but do not use cache for leaf certificates. return VerifySignatures(*signed_certificate, certificate->serial_number(), !kUseCache); } // Recursively verifies certificates with their signing certs or the root. // use_cache should be false when initially called so that signatures do not // cached leaf certificates not signed with the root certificate, such as for // the case of device-unique device certificates. // Signatures for root-signed certificates are always cached, even if they are // leaf certificates. For example service, and provisioner certificates. Status DrmRootCertificate::VerifySignatures( const SignedDrmCertificate& signed_cert, const std::string& cert_serial_number, bool use_cache) const { if (!signed_cert.has_signer()) { // Always use cache for root-signed certificates. return signature_cache_->VerifySignature( signed_cert.drm_certificate(), cert_serial_number, signed_cert.signature(), public_key(), serial_number_); } DrmCertificate signer; if (!signer.ParseFromString(signed_cert.signer().drm_certificate())) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-signer-certificate"); } // Verify the signer before verifying signed_cert. Status status = VerifySignatures(signed_cert.signer(), signer.serial_number(), kUseCache); if (!status.ok()) { return status; } if (use_cache) { status = signature_cache_->VerifySignature( signed_cert.drm_certificate(), cert_serial_number, signed_cert.signature(), signer.public_key(), signer.serial_number()); if (!status.ok()) { return status; } } else { std::unique_ptr signer_public_key( key_factory_->CreateFromPkcs1PublicKey(signer.public_key())); if (!signer_public_key) { return Status(error_space, INVALID_DRM_CERTIFICATE, "invalid-leaf-signer-public-key"); } if (!signer_public_key->VerifySignature(signed_cert.drm_certificate(), signed_cert.signature())) { return Status(error_space, INVALID_SIGNATURE, "cache-miss-invalid-signature"); } } return OkStatus(); } } // namespace widevine