/*

     File: CryptorOperationsTests.m

 Abstract: Unit tests for the cryptor operations.

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#import "CryptorOperationsTests.h"

#import "QCCAESCryptor.h"

#import "QCCAESPadCryptor.h"

#import "QCCAESPadBigCryptor.h"

#import "ToolCommon.h"

#import "QHex.h"

#import <CommonCrypto/CommonCrypto.h>

@implementation CryptorOperationsTests

- (void)setUp

{

    [super setUp];

    [ToolCommon sharedInstance].debugRunOpOnMainThread = YES;

}

// AES-128 ECB

- (void)testAES128ECBEncryption

{

    NSData *            inputData;

    NSData *            keyData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-ecb-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = nil;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128ECBEncryptionEmpty

{

    NSData *            inputData;

    NSData *            keyData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData data];

    assert(inputData != nil);

    expectedOutputData = [NSData data];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = nil;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128ECBDecryption

{

    NSData *            inputData;

    NSData *            keyData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-ecb-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = nil;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128ECBDecryptionEmpty

{

    NSData *            inputData;

    NSData *            keyData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData data];

    assert(inputData != nil);

    expectedOutputData = [NSData data];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = nil;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

// AES-128 CBC

- (void)testAES128CBCEncryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128CBCEncryptionEmpty

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData data];

    assert(inputData != nil);

    expectedOutputData = [NSData data];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128CBCDecryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128CBCDecryptionEmpty

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData data];

    assert(inputData != nil);

    expectedOutputData = [NSData data];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

// AES-256 ECB

- (void)testAES256ECBEncryption

{

    NSData *            inputData;

    NSData *            keyData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-256-ecb-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D2b88e4309655eb40707decdb143e328a"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = nil;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES256ECBDecryption

{

    NSData *            inputData;

    NSData *            keyData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-256-ecb-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D2b88e4309655eb40707decdb143e328a"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = nil;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

// AES-256 CBC

- (void)testAES256CBCEncryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-256-cbc-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D2b88e4309655eb40707decdb143e328a"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES256CBCDecryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-256-cbc-336" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-336" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D2b88e4309655eb40707decdb143e328a"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

// AES-128 Pad CBC

- (void)testAES128PadCBCEncryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128PadCBCEncryptionEmpty

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    NSData *            expectedOutputData;

    inputData = [NSData data];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-0" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128PadCBCDecryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES128PadCBCDecryptionEmpty

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-0" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData data];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

// AES-128 Pad Big CBC

- (void)testAES128PadBigCBCEncryption

{

    NSData *                inputData;

    NSInputStream *         inputStream;

    NSOutputStream *        outputStream;

    NSData *                keyData;

    NSData *                ivData;

    QCCAESPadBigCryptor *   op;

    NSData *                expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(inputData != nil);

    inputStream = [NSInputStream inputStreamWithData:inputData];

    assert(inputStream != nil);

    outputStream = [NSOutputStream outputStreamToMemory];

    assert(outputStream != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadBigCryptor alloc] initToEncryptInputStream:inputStream toOutputStream:outputStream keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, [outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey], @"");

}

- (void)testAES128PadBigCBCDecryption

{

    NSData *                inputData;

    NSInputStream *         inputStream;

    NSOutputStream *        outputStream;

    NSData *                keyData;

    NSData *                ivData;

    QCCAESPadBigCryptor *   op;

    NSData *                expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(inputData != nil);

    inputStream = [NSInputStream inputStreamWithData:inputData];

    assert(inputStream != nil);

    outputStream = [NSOutputStream outputStreamToMemory];

    assert(outputStream != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:inputStream toOutputStream:outputStream keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, [outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey], @"");

}

// AES-256 Pad CBC

- (void)testAES256PadCBCEncryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-256-cbc-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D2b88e4309655eb40707decdb143e328a"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

- (void)testAES256PadCBCDecryption

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    NSData *            expectedOutputData;

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-256-cbc-332" withExtension:@"dat"]];

    assert(inputData != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D2b88e4309655eb40707decdb143e328a"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNil(op.error, @"");

    STAssertEqualObjects(expectedOutputData, op.outputData, @"");

}

// errors

- (void)testAESCryptorErrors

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESCryptor *     op;

    // data not a multiple of the block size

    inputData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e"];

    assert(inputData != nil);

    keyData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    // key not one of the standard AES key lengths

    inputData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(inputData != nil);

    keyData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    // IV specified, but not a multiple of the block size

    inputData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(inputData != nil);

    keyData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e"];

    assert(keyData != nil);

    op = [[QCCAESCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    op = [[QCCAESCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

}

- (void)testAESPadCryptorErrors

{

    NSData *            inputData;

    NSData *            keyData;

    NSData *            ivData;

    QCCAESPadCryptor *  op;

    // data not a multiple of the block size

    // Note that we don't test the encrypt case here because the whole point of padding 

    // is to allow us to encrypt data that's not a multiple of the block length.

    inputData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e"];

    assert(inputData != nil);

    keyData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(keyData != nil);

    op = [[QCCAESPadCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    // key not one of the standard AES key lengths

    inputData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(inputData != nil);

    keyData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e"];

    assert(keyData != nil);

    op = [[QCCAESPadCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    op = [[QCCAESPadCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    // IV specified, but not a multiple of the block size

    inputData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(inputData != nil);

    keyData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e0f"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"000102030405060708090a0b0c0d0e"];

    assert(keyData != nil);

    op = [[QCCAESPadCryptor alloc] initToEncryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

    op = [[QCCAESPadCryptor alloc] initToDecryptInputData:inputData keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertNil(op.outputData, @"");

}

- (void)testAES128PadBigCryptorErrors

{

    NSData *                inputData;

    NSInputStream *         inputStream;

    NSOutputStream *        outputStream;

    NSData *                keyData;

    NSData *                ivData;

    QCCAESPadBigCryptor *   op;

    NSData *                expectedOutputData;

    NSData *                actualOutputData;

    // data not a multiple of the block size

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(inputData != nil);

    inputData = [inputData subdataWithRange:NSMakeRange(0, [inputData length] - 1)];

    assert(inputData != nil);

    inputStream = [NSInputStream inputStreamWithData:inputData];

    assert(inputStream != nil);

    outputStream = [NSOutputStream outputStreamToMemory];

    assert(outputStream != nil);

    expectedOutputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"plaintext-332" withExtension:@"dat"]];

    assert(expectedOutputData != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:inputStream toOutputStream:outputStream keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadBigCryptorErrorDomain, @"");

    // The actual error we get is kCCBufferTooSmall, which doesn't make much sense in this 

    // context, but that's what Common Crypto gives us.  Rather than test for a specific 

    // error, we test for any error.

    STAssertTrue([op.error code] != kCCSuccess, @"");

    // We actually get partial output data.  Check that the any data we got is correct.

    actualOutputData = [outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];

    STAssertNotNil(actualOutputData, @"");

    STAssertTrue([actualOutputData length] < [expectedOutputData length], @"");     // shouldn't have got all the bytes

    STAssertEqualObjects(actualOutputData, [expectedOutputData subdataWithRange:NSMakeRange(0, [actualOutputData length])], @"");

    // key not one of the standard AES key lengths

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(inputData != nil);

    inputStream = [NSInputStream inputStreamWithData:inputData];

    assert(inputStream != nil);

    outputStream = [NSOutputStream outputStreamToMemory];

    assert(outputStream != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF757"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFFB7"];

    assert(ivData != nil);

    op = [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:inputStream toOutputStream:outputStream keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadBigCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertEquals([[outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey] length], (NSUInteger) 0, @"");

    // IV specified, but not a multiple of the block size

    inputData = [NSData dataWithContentsOfURL:[[NSBundle bundleForClass:[self class]] URLForResource:@"cyphertext-aes-128-cbc-332" withExtension:@"dat"]];

    assert(inputData != nil);

    inputStream = [NSInputStream inputStreamWithData:inputData];

    assert(inputStream != nil);

    outputStream = [NSOutputStream outputStreamToMemory];

    assert(outputStream != nil);

    keyData = [QHex dataWithHexString:@"0C1032520302EC8537A4A82C4EF7579D"];

    assert(keyData != nil);

    ivData = [QHex dataWithHexString:@"AB5BBEB426015DA7EEDCEE8BEE3DFF"];

    assert(ivData != nil);

    op = [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:inputStream toOutputStream:outputStream keyData:keyData];

    op.ivData = ivData;

    [[ToolCommon sharedInstance] synchronouslyRunOperation:op];

    STAssertNotNil(op.error, @"");

    STAssertEqualObjects([op.error domain], kQCCAESPadBigCryptorErrorDomain, @"");

    STAssertEquals([op.error code], (NSInteger) kCCParamError, @"");

    STAssertEquals([[outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey] length], (NSUInteger) 0, @"");

}

- (void)testCryptoThrows

{

    STAssertThrows((void) [[QCCAESCryptor alloc] initToDecryptInputData:nil keyData:[NSData data]], @"");

    STAssertThrows((void) [[QCCAESCryptor alloc] initToDecryptInputData:[NSData data] keyData:nil], @"");

    STAssertThrows((void) [[QCCAESCryptor alloc] initToEncryptInputData:nil keyData:[NSData data]], @"");

    STAssertThrows((void) [[QCCAESCryptor alloc] initToEncryptInputData:[NSData data] keyData:nil], @"");

    STAssertThrows((void) [[QCCAESPadCryptor alloc] initToDecryptInputData:nil keyData:[NSData data]], @"");

    STAssertThrows((void) [[QCCAESPadCryptor alloc] initToDecryptInputData:[NSData data] keyData:nil], @"");

    STAssertThrows((void) [[QCCAESPadCryptor alloc] initToEncryptInputData:nil keyData:[NSData data]], @"");

    STAssertThrows((void) [[QCCAESPadCryptor alloc] initToEncryptInputData:[NSData data] keyData:nil], @"");

    STAssertThrows((void) [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:nil toOutputStream:[NSOutputStream outputStreamToMemory] keyData:[NSData data]], @"");

    STAssertThrows((void) [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:[NSInputStream inputStreamWithData:[NSData data]] toOutputStream:nil keyData:[NSData data]], @"");

    STAssertThrows((void) [[QCCAESPadBigCryptor alloc] initToDecryptInputStream:[NSInputStream inputStreamWithData:[NSData data]] toOutputStream:[NSOutputStream outputStreamToMemory] keyData:nil], @"");

}

@end