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[adb] Add a version field to v4 signature format

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Test: manual
Change-Id: I8a1034d7131905463749d5b131dd9a3c8703fe96
This commit is contained in:
Yurii Zubrytskyi 2020-02-19 14:46:16 -08:00
parent 2bca658a3b
commit 516c441fd8
1 changed files with 8 additions and 0 deletions
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8
adb/client/incremental.cpp
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@ -54,6 +54,13 @@ static inline int32_t read_be_int32(borrowed_fd fd) {
return int32_t(be32toh(read_int32(fd)));
}
static inline void append_int(borrowed_fd fd, std::vector<char>* bytes) {
int32_t be_val = read_int32(fd);
auto old_size = bytes->size();
bytes->resize(old_size + sizeof(be_val));
memcpy(bytes->data() + old_size, &be_val, sizeof(be_val));
}
static inline void append_bytes_with_size(borrowed_fd fd, std::vector<char>* bytes) {
int32_t be_size = read_int32(fd);
int32_t size = int32_t(be32toh(be_size));
@ -65,6 +72,7 @@ static inline void append_bytes_with_size(borrowed_fd fd, std::vector<char>* byt
static inline std::pair<std::vector<char>, int32_t> read_id_sig_headers(borrowed_fd fd) {
std::vector<char> result;
append_int(fd, &result); // version
append_bytes_with_size(fd, &result); // verityRootHash
append_bytes_with_size(fd, &result); // v3Digest
append_bytes_with_size(fd, &result); // pkcs7SignatureBlock