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Fix keyname generation issue

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The keyname binded to keyring return a wrong string when there are binary char larger than 127,
the sign extension will introduce unexpect FFFFFF string to the keyname.

Bug: 65423023
Test: local build with boot test and device encryption status check. 

Change-Id: I26482c98ac1858a63b9f5c3f84a8699fd6a21cd7
Signed-off-by: Ai, Ting A <ting.a.ai@intel.com>
Signed-off-by: Chen, Luhai <luhai.chen@intel.com>
This commit is contained in:
Chen, Luhai 2017-08-18 14:49:45 +08:00 committed by Gaurav Sarode
parent 7056de1b42
commit 5744dfe3cc
1 changed files with 1 additions and 1 deletions
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2
KeyUtil.cpp
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@ -98,7 +98,7 @@ static char const* const NAME_PREFIXES[] = {
static std::string keyname(const std::string& prefix, const std::string& raw_ref) {
std::ostringstream o;
o << prefix << ":";
for (auto i : raw_ref) {
for (unsigned char i : raw_ref) {
o << std::hex << std::setw(2) << std::setfill('0') << (int)i;
}
return o.str();