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Commit 04137372 authored by Ayrton Munoz's avatar Ayrton Munoz
Browse files

libbinder: Remove dependency on openssl for Trusty kernel 

This modifies the trusty-specific OS.cpp to use the RNG
available in the trusty kernel instead of openssl when
TRUSTY_KERNEL_FD is defined.

Bug: 230134581
Test: build Trusty
Change-Id: Ic27406707a515882ca6340d6e8db81f3e2f9509d
parent e03fbcc4

libs/binder/trusty/OS.cpp

+9 −0
Original line number Diff line number Diff line
@@ -14,7 +14,11 @@ 
 * limitations under the License.

 */



#if defined(TRUSTY_USERSPACE)

#include <openssl/rand.h>

#else

#include <lib/rand/rand.h>

#endif



#include "../OS.h"
@@ -28,8 +32,13 @@ Result<void> setNonBlocking(android::base::borrowed_fd fd) { 
}



status_t getRandomBytes(uint8_t* data, size_t size) {

#if defined(TRUSTY_USERSPACE)

    int res = RAND_bytes(data, size);

    return res == 1 ? OK : UNKNOWN_ERROR;

#else

    int res = rand_get_bytes(data, size);

    return res == 0 ? OK : UNKNOWN_ERROR;

#endif // TRUSTY_USERSPACE

}



} // namespace android