You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
3.5 KiB
99 lines
3.5 KiB
4 months ago
|
// Copyright 2018, VIXL authors
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright notice,
|
||
|
|
// this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
||
|
|
// this list of conditions and the following disclaimer in the documentation
|
||
|
|
// and/or other materials provided with the distribution.
|
||
|
|
// * Neither the name of ARM Limited nor the names of its contributors may be
|
||
|
|
// used to endorse or promote products derived from this software without
|
||
|
|
// specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
|
||
|
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||
|
|
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||
|
|
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
|
|
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||
|
|
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
#ifdef VIXL_INCLUDE_SIMULATOR_AARCH64
|
||
|
|
|
||
|
|
#include "test-runner.h"
|
||
|
|
#include "aarch64/simulator-aarch64.h"
|
||
|
|
|
||
|
|
#define TEST(name) TEST_(AARCH64_POINTER_AUTH_##name)
|
||
|
|
|
||
|
|
namespace vixl {
|
||
|
|
namespace aarch64 {
|
||
|
|
|
||
|
|
|
||
|
|
TEST(compute_pac) {
|
||
|
|
Decoder decoder;
|
||
|
|
Simulator sim(&decoder);
|
||
|
|
|
||
|
|
uint64_t data1 = 0xfb623599da6e8127;
|
||
|
|
uint64_t data2 = 0x27979fadf7d53cb7;
|
||
|
|
uint64_t context = 0x477d469dec0b8762;
|
||
|
|
Simulator::PACKey key = {0x84be85ce9804e94b, 0xec2802d4e0a488e9, -1};
|
||
|
|
|
||
|
|
uint64_t pac1 = sim.ComputePAC(data1, context, key);
|
||
|
|
uint64_t pac2 = sim.ComputePAC(data2, context, key);
|
||
|
|
|
||
|
|
// NOTE: If the PAC implementation is changed, this may fail due to a hash
|
||
|
|
// collision.
|
||
|
|
VIXL_CHECK(pac1 != pac2);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(add_and_auth_pac) {
|
||
|
|
Decoder decoder;
|
||
|
|
Simulator sim(&decoder);
|
||
|
|
|
||
|
|
uint64_t ptr = 0x0000000012345678;
|
||
|
|
uint64_t context = 0x477d469dec0b8762;
|
||
|
|
Simulator::PACKey key_a = {0x84be85ce9804e94b, 0xec2802d4e0a488e9, 0};
|
||
|
|
Simulator::PACKey key_b = {0xec1119e288704d13, 0xd7f6b76e1cea585e, 1};
|
||
|
|
|
||
|
|
uint64_t ptr_a =
|
||
|
|
sim.AddPAC(ptr, context, key_a, Simulator::kInstructionPointer);
|
||
|
|
|
||
|
|
// Attempt to authenticate the pointer with PAC using different keys.
|
||
|
|
uint64_t success =
|
||
|
|
sim.AuthPAC(ptr_a, context, key_a, Simulator::kInstructionPointer);
|
||
|
|
uint64_t fail =
|
||
|
|
sim.AuthPAC(ptr_a, context, key_b, Simulator::kInstructionPointer);
|
||
|
|
|
||
|
|
uint64_t pac_mask =
|
||
|
|
sim.CalculatePACMask(ptr, Simulator::kInstructionPointer, 0);
|
||
|
|
|
||
|
|
// NOTE: If the PAC implementation is changed, this may fail due to a hash
|
||
|
|
// collision.
|
||
|
|
VIXL_CHECK((ptr_a & pac_mask) != 0x0);
|
||
|
|
VIXL_CHECK(success == ptr);
|
||
|
|
VIXL_CHECK(fail != ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(add_and_strip_pac) {
|
||
|
|
Decoder decoder;
|
||
|
|
Simulator sim(&decoder);
|
||
|
|
|
||
|
|
uint64_t ptr = 0xff00000012345678;
|
||
|
|
uint64_t pac_mask =
|
||
|
|
sim.CalculatePACMask(ptr, Simulator::kInstructionPointer, 0);
|
||
|
|
uint64_t ptr_a = ptr | pac_mask;
|
||
|
|
|
||
|
|
|
||
|
|
VIXL_CHECK(sim.StripPAC(ptr_a, Simulator::kInstructionPointer) == ptr);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} // namespace vixl::aarch64
|
||
|
|
|
||
|
|
#endif // VIXL_INCLUDE_SIMULATOR_AARCH64
|