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Merge "Block cipher fixups" am: 3d98c54066 am: 1bdbe9528d am: e5ed05b059 am: ffacdad4a9

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Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1949538

Change-Id: I297f1b3a562df834c4021cdf5bfd395fa49cbc5a
This commit is contained in:
Treehugger Robot
2022-01-14 22:13:49 +00:00
committed by Automerger Merge Worker
parent cbaacea799 ffacdad4a9
commit 9b4d3907e2
1 changed files with 13 additions and 8 deletions
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21
security/keymint/aidl/vts/functional/KeyMintTest.cpp
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@@ -4608,8 +4608,10 @@ TEST_P(EncryptionOperationsTest, AesEcbPkcs7Padding) {
auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
// Try various message lengths; all should work.
for (size_t i = 0; i < 32; ++i) {
string message(i, 'a');
for (size_t i = 0; i <= 48; i++) {
SCOPED_TRACE(testing::Message() << "i = " << i);
// Edge case: '\t' (0x09) is also a valid PKCS7 padding character.
string message(i, '\t');
string ciphertext = EncryptMessage(message, params);
EXPECT_EQ(i + 16 - (i % 16), ciphertext.size());
string plaintext = DecryptMessage(ciphertext, params);
@@ -4633,7 +4635,7 @@ TEST_P(EncryptionOperationsTest, AesEcbWrongPadding) {
auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
// Try various message lengths; all should fail
for (size_t i = 0; i < 32; ++i) {
for (size_t i = 0; i <= 48; i++) {
string message(i, 'a');
EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, params));
}
@@ -5818,8 +5820,8 @@ TEST_P(EncryptionOperationsTest, TripleDesCbcRoundTripSuccess) {
ASSERT_GT(key_blob_.size(), 0U);
// Two-block message.
string message = "1234567890123456";
// Four-block message.
string message = "12345678901234561234567890123456";
vector<uint8_t> iv1;
string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv1);
EXPECT_EQ(message.size(), ciphertext1.size());
@@ -5979,8 +5981,10 @@ TEST_P(EncryptionOperationsTest, TripleDesCbcPkcs7Padding) {
.Padding(PaddingMode::PKCS7)));
// Try various message lengths; all should work.
for (size_t i = 0; i < 32; ++i) {
string message(i, 'a');
for (size_t i = 0; i <= 32; i++) {
SCOPED_TRACE(testing::Message() << "i = " << i);
// Edge case: '\t' (0x09) is also a valid PKCS7 padding character, albeit not for 3DES.
string message(i, '\t');
vector<uint8_t> iv;
string ciphertext = EncryptMessage(message, BlockMode::CBC, PaddingMode::PKCS7, &iv);
EXPECT_EQ(i + 8 - (i % 8), ciphertext.size());
@@ -6002,7 +6006,7 @@ TEST_P(EncryptionOperationsTest, TripleDesCbcNoPaddingKeyWithPkcs7Padding) {
.Padding(PaddingMode::NONE)));
// Try various message lengths; all should fail.
for (size_t i = 0; i < 32; ++i) {
for (size_t i = 0; i <= 32; i++) {
auto begin_params =
AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::PKCS7);
EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, begin_params));
@@ -6033,6 +6037,7 @@ TEST_P(EncryptionOperationsTest, TripleDesCbcPkcs7PaddingCorrupted) {
.Authorization(TAG_NONCE, iv);
for (size_t i = 0; i < kMaxPaddingCorruptionRetries; ++i) {
SCOPED_TRACE(testing::Message() << "i = " << i);
++ciphertext[ciphertext.size() / 2];
EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params));
string plaintext;