-
XTEAEngine
-
rounds: int
-
block_size: int
-
delta: int
-
_S: int[]
-
_sum0: int[]
-
_sum1: int[]
-
_initialised: boolean
-
_forEncryption: boolean
-
<init>(): void
-
getAlgorithmName(): String
-
getBlockSize(): int
-
init(boolean, CipherParameters): void
-
processBlock(byte[], int, byte[], int): int
-
reset(): void
-
setKey(byte[]): void
-
encryptBlock(byte[], int, byte[], int): int
-
decryptBlock(byte[], int, byte[], int): int
-
bytesToInt(byte[], int): int
-
unpackInt(int, byte[], int): void
-
public class org.bouncycastle.crypto.engines.XTEAEngine implements org.bouncycastle.crypto.BlockCipher
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.bouncycastle.crypto.engines.XTEAEngine
super_class: java.lang.Object
{
private static final int rounds;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 32
private static final int block_size;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 8
private static final int delta;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: -1640531527
private int[] _S;
descriptor: [I
flags: (0x0002) ACC_PRIVATE
private int[] _sum0;
descriptor: [I
flags: (0x0002) ACC_PRIVATE
private int[] _sum1;
descriptor: [I
flags: (0x0002) ACC_PRIVATE
private boolean _initialised;
descriptor: Z
flags: (0x0002) ACC_PRIVATE
private boolean _forEncryption;
descriptor: Z
flags: (0x0002) ACC_PRIVATE
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
0: .line 32
aload 0 /* this */
invokespecial java.lang.Object.<init>:()V
1: .line 22
aload 0 /* this */
iconst_4
newarray 10
putfield org.bouncycastle.crypto.engines.XTEAEngine._S:[I
2: .line 23
aload 0 /* this */
bipush 32
newarray 10
putfield org.bouncycastle.crypto.engines.XTEAEngine._sum0:[I
3: .line 24
aload 0 /* this */
bipush 32
newarray 10
putfield org.bouncycastle.crypto.engines.XTEAEngine._sum1:[I
4: .line 34
aload 0 /* this */
iconst_0
putfield org.bouncycastle.crypto.engines.XTEAEngine._initialised:Z
5: .line 35
return
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
public java.lang.String getAlgorithmName();
descriptor: ()Ljava/lang/String;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
0: .line 39
ldc "XTEA"
areturn
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
public int getBlockSize();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
0: .line 44
bipush 8
ireturn
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
public void init(boolean, org.bouncycastle.crypto.CipherParameters);
descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=4, args_size=3
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // boolean forEncryption
start local 2 // org.bouncycastle.crypto.CipherParameters params
0: .line 59
aload 2 /* params */
instanceof org.bouncycastle.crypto.params.KeyParameter
ifne 2
1: .line 61
new java.lang.IllegalArgumentException
dup
new java.lang.StringBuilder
dup
ldc "invalid parameter passed to TEA init - "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 2 /* params */
invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
invokevirtual java.lang.Class.getName:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
2: .line 64
StackMap locals:
StackMap stack:
aload 0 /* this */
iload 1 /* forEncryption */
putfield org.bouncycastle.crypto.engines.XTEAEngine._forEncryption:Z
3: .line 65
aload 0 /* this */
iconst_1
putfield org.bouncycastle.crypto.engines.XTEAEngine._initialised:Z
4: .line 67
aload 2 /* params */
checkcast org.bouncycastle.crypto.params.KeyParameter
astore 3 /* p */
start local 3 // org.bouncycastle.crypto.params.KeyParameter p
5: .line 69
aload 0 /* this */
aload 3 /* p */
invokevirtual org.bouncycastle.crypto.params.KeyParameter.getKey:()[B
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.setKey:([B)V
6: .line 70
return
end local 3 // org.bouncycastle.crypto.params.KeyParameter p
end local 2 // org.bouncycastle.crypto.CipherParameters params
end local 1 // boolean forEncryption
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 7 1 forEncryption Z
0 7 2 params Lorg/bouncycastle/crypto/CipherParameters;
5 7 3 p Lorg/bouncycastle/crypto/params/KeyParameter;
MethodParameters:
Name Flags
forEncryption
params
public int processBlock(byte[], int, byte[], int);
descriptor: ([BI[BI)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=5, args_size=5
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
start local 3 // byte[] out
start local 4 // int outOff
0: .line 78
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._initialised:Z
ifne 2
1: .line 80
new java.lang.IllegalStateException
dup
new java.lang.StringBuilder
dup
aload 0 /* this */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.getAlgorithmName:()Ljava/lang/String;
invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
ldc " not initialised"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
athrow
2: .line 83
StackMap locals:
StackMap stack:
iload 2 /* inOff */
bipush 8
iadd
aload 1 /* in */
arraylength
if_icmple 4
3: .line 85
new org.bouncycastle.crypto.DataLengthException
dup
ldc "input buffer too short"
invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
athrow
4: .line 88
StackMap locals:
StackMap stack:
iload 4 /* outOff */
bipush 8
iadd
aload 3 /* out */
arraylength
if_icmple 6
5: .line 90
new org.bouncycastle.crypto.DataLengthException
dup
ldc "output buffer too short"
invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
athrow
6: .line 93
StackMap locals:
StackMap stack:
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._forEncryption:Z
ifeq 7
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.encryptBlock:([BI[BI)I
goto 8
7: .line 94
StackMap locals:
StackMap stack:
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.decryptBlock:([BI[BI)I
8: .line 93
StackMap locals:
StackMap stack: int
ireturn
end local 4 // int outOff
end local 3 // byte[] out
end local 2 // int inOff
end local 1 // byte[] in
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 9 1 in [B
0 9 2 inOff I
0 9 3 out [B
0 9 4 outOff I
MethodParameters:
Name Flags
in
inOff
out
outOff
public void reset();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=0, locals=1, args_size=1
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
0: .line 99
return
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
private void setKey(byte[]);
descriptor: ([B)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=6, locals=4, args_size=2
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // byte[] key
0: .line 110
iconst_0
dup
istore 3 /* j */
start local 3 // int j
1: istore 2 /* i */
start local 2 // int i
2: goto 5
3: .line 112
StackMap locals: int int
StackMap stack:
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._S:[I
iload 2 /* i */
aload 0 /* this */
aload 1 /* key */
iload 3 /* j */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.bytesToInt:([BI)I
iastore
4: .line 110
iinc 2 /* i */ 1
iinc 3 /* j */ 4
StackMap locals:
StackMap stack:
5: iload 2 /* i */
iconst_4
if_icmplt 3
6: .line 115
iconst_0
dup
istore 3 /* j */
istore 2 /* i */
goto 11
7: .line 117
StackMap locals:
StackMap stack:
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._sum0:[I
iload 2 /* i */
iload 3 /* j */
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._S:[I
iload 3 /* j */
iconst_3
iand
iaload
iadd
iastore
8: .line 118
iload 3 /* j */
ldc -1640531527
iadd
istore 3 /* j */
9: .line 119
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._sum1:[I
iload 2 /* i */
iload 3 /* j */
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._S:[I
iload 3 /* j */
bipush 11
iushr
iconst_3
iand
iaload
iadd
iastore
10: .line 115
iinc 2 /* i */ 1
StackMap locals:
StackMap stack:
11: iload 2 /* i */
bipush 32
if_icmplt 7
12: .line 121
return
end local 3 // int j
end local 2 // int i
end local 1 // byte[] key
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 13 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 13 1 key [B
2 13 2 i I
1 13 3 j I
MethodParameters:
Name Flags
key
private int encryptBlock(byte[], int, byte[], int);
descriptor: ([BI[BI)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=8, args_size=5
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
start local 3 // byte[] out
start local 4 // int outOff
0: .line 130
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.bytesToInt:([BI)I
istore 5 /* v0 */
start local 5 // int v0
1: .line 131
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.bytesToInt:([BI)I
istore 6 /* v1 */
start local 6 // int v1
2: .line 133
iconst_0
istore 7 /* i */
start local 7 // int i
3: goto 7
4: .line 135
StackMap locals: int int int
StackMap stack:
iload 5 /* v0 */
iload 6 /* v1 */
iconst_4
ishl
iload 6 /* v1 */
iconst_5
iushr
ixor
iload 6 /* v1 */
iadd
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._sum0:[I
iload 7 /* i */
iaload
ixor
iadd
istore 5 /* v0 */
5: .line 136
iload 6 /* v1 */
iload 5 /* v0 */
iconst_4
ishl
iload 5 /* v0 */
iconst_5
iushr
ixor
iload 5 /* v0 */
iadd
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._sum1:[I
iload 7 /* i */
iaload
ixor
iadd
istore 6 /* v1 */
6: .line 133
iinc 7 /* i */ 1
StackMap locals:
StackMap stack:
7: iload 7 /* i */
bipush 32
if_icmplt 4
end local 7 // int i
8: .line 139
aload 0 /* this */
iload 5 /* v0 */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.unpackInt:(I[BI)V
9: .line 140
aload 0 /* this */
iload 6 /* v1 */
aload 3 /* out */
iload 4 /* outOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.unpackInt:(I[BI)V
10: .line 142
bipush 8
ireturn
end local 6 // int v1
end local 5 // int v0
end local 4 // int outOff
end local 3 // byte[] out
end local 2 // int inOff
end local 1 // byte[] in
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 11 1 in [B
0 11 2 inOff I
0 11 3 out [B
0 11 4 outOff I
1 11 5 v0 I
2 11 6 v1 I
3 8 7 i I
MethodParameters:
Name Flags
in
inOff
out
outOff
private int decryptBlock(byte[], int, byte[], int);
descriptor: ([BI[BI)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=8, args_size=5
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
start local 3 // byte[] out
start local 4 // int outOff
0: .line 152
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.bytesToInt:([BI)I
istore 5 /* v0 */
start local 5 // int v0
1: .line 153
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.bytesToInt:([BI)I
istore 6 /* v1 */
start local 6 // int v1
2: .line 155
bipush 31
istore 7 /* i */
start local 7 // int i
3: goto 7
4: .line 157
StackMap locals: int int int
StackMap stack:
iload 6 /* v1 */
iload 5 /* v0 */
iconst_4
ishl
iload 5 /* v0 */
iconst_5
iushr
ixor
iload 5 /* v0 */
iadd
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._sum1:[I
iload 7 /* i */
iaload
ixor
isub
istore 6 /* v1 */
5: .line 158
iload 5 /* v0 */
iload 6 /* v1 */
iconst_4
ishl
iload 6 /* v1 */
iconst_5
iushr
ixor
iload 6 /* v1 */
iadd
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.XTEAEngine._sum0:[I
iload 7 /* i */
iaload
ixor
isub
istore 5 /* v0 */
6: .line 155
iinc 7 /* i */ -1
StackMap locals:
StackMap stack:
7: iload 7 /* i */
ifge 4
end local 7 // int i
8: .line 161
aload 0 /* this */
iload 5 /* v0 */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.unpackInt:(I[BI)V
9: .line 162
aload 0 /* this */
iload 6 /* v1 */
aload 3 /* out */
iload 4 /* outOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.XTEAEngine.unpackInt:(I[BI)V
10: .line 164
bipush 8
ireturn
end local 6 // int v1
end local 5 // int v0
end local 4 // int outOff
end local 3 // byte[] out
end local 2 // int inOff
end local 1 // byte[] in
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 11 1 in [B
0 11 2 inOff I
0 11 3 out [B
0 11 4 outOff I
1 11 5 v0 I
2 11 6 v1 I
3 8 7 i I
MethodParameters:
Name Flags
in
inOff
out
outOff
private int bytesToInt(byte[], int);
descriptor: ([BI)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=3, args_size=3
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
0: .line 169
aload 1 /* in */
iload 2 /* inOff */
iinc 2 /* inOff */ 1
baload
bipush 24
ishl
1: .line 170
aload 1 /* in */
iload 2 /* inOff */
iinc 2 /* inOff */ 1
baload
sipush 255
iand
bipush 16
ishl
2: .line 169
ior
3: .line 171
aload 1 /* in */
iload 2 /* inOff */
iinc 2 /* inOff */ 1
baload
sipush 255
iand
bipush 8
ishl
4: .line 169
ior
5: .line 172
aload 1 /* in */
iload 2 /* inOff */
baload
sipush 255
iand
6: .line 169
ior
ireturn
end local 2 // int inOff
end local 1 // byte[] in
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 7 1 in [B
0 7 2 inOff I
MethodParameters:
Name Flags
in
inOff
private void unpackInt(int, byte[], int);
descriptor: (I[BI)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=4, args_size=4
start local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
start local 1 // int v
start local 2 // byte[] out
start local 3 // int outOff
0: .line 177
aload 2 /* out */
iload 3 /* outOff */
iinc 3 /* outOff */ 1
iload 1 /* v */
bipush 24
iushr
i2b
bastore
1: .line 178
aload 2 /* out */
iload 3 /* outOff */
iinc 3 /* outOff */ 1
iload 1 /* v */
bipush 16
iushr
i2b
bastore
2: .line 179
aload 2 /* out */
iload 3 /* outOff */
iinc 3 /* outOff */ 1
iload 1 /* v */
bipush 8
iushr
i2b
bastore
3: .line 180
aload 2 /* out */
iload 3 /* outOff */
iload 1 /* v */
i2b
bastore
4: .line 181
return
end local 3 // int outOff
end local 2 // byte[] out
end local 1 // int v
end local 0 // org.bouncycastle.crypto.engines.XTEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lorg/bouncycastle/crypto/engines/XTEAEngine;
0 5 1 v I
0 5 2 out [B
0 5 3 outOff I
MethodParameters:
Name Flags
v
out
outOff
}
SourceFile: "XTEAEngine.java"