AOSP10 TWRP Merge: fix conflicts and update libraries needed
This allows flame to boot TWRP. Still will need to work on
super partition for vendor and system access.
The plan will be to cherry-pick any updates to android-9.0
through gerrit.twrp.me to this branch as a WIP.
diff --git a/verifier28/asn1_decoder.h b/verifier28/asn1_decoder.h
new file mode 100644
index 0000000..3e99211
--- /dev/null
+++ b/verifier28/asn1_decoder.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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 ASN1_DECODER_H_
+#define ASN1_DECODER_H_
+
+#include <stdint.h>
+
+class asn1_context {
+ public:
+ asn1_context(const uint8_t* buffer, size_t length) : p_(buffer), length_(length), app_type_(0) {}
+ int asn1_constructed_type() const;
+ asn1_context* asn1_constructed_get();
+ bool asn1_constructed_skip_all();
+ asn1_context* asn1_sequence_get();
+ asn1_context* asn1_set_get();
+ bool asn1_sequence_next();
+ bool asn1_oid_get(const uint8_t** oid, size_t* length);
+ bool asn1_octet_string_get(const uint8_t** octet_string, size_t* length);
+
+ private:
+ static constexpr int kMaskConstructed = 0xE0;
+ static constexpr int kMaskTag = 0x7F;
+ static constexpr int kMaskAppType = 0x1F;
+
+ static constexpr int kTagOctetString = 0x04;
+ static constexpr int kTagOid = 0x06;
+ static constexpr int kTagSequence = 0x30;
+ static constexpr int kTagSet = 0x31;
+ static constexpr int kTagConstructed = 0xA0;
+
+ int peek_byte() const;
+ int get_byte();
+ bool skip_bytes(size_t num_skip);
+ bool decode_length(size_t* out_len);
+
+ const uint8_t* p_;
+ size_t length_;
+ int app_type_;
+};
+
+#endif /* ASN1_DECODER_H_ */