-
TEAEngine
-
rounds: int
-
block_size: int
-
delta: int
-
d_sum: int
-
_a: int
-
_b: int
-
_c: int
-
_d: 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.TEAEngine implements org.bouncycastle.crypto.BlockCipher
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.bouncycastle.crypto.engines.TEAEngine
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 static final int d_sum;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: -957401312
private int _a;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private int _b;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private int _c;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private int _d;
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.TEAEngine this
0: .line 30
aload 0 /* this */
invokespecial java.lang.Object.<init>:()V
1: .line 32
aload 0 /* this */
iconst_0
putfield org.bouncycastle.crypto.engines.TEAEngine._initialised:Z
2: .line 33
return
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
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.TEAEngine this
0: .line 37
ldc "TEA"
areturn
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
public int getBlockSize();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 // org.bouncycastle.crypto.engines.TEAEngine this
0: .line 42
bipush 8
ireturn
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
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.TEAEngine this
start local 1 // boolean forEncryption
start local 2 // org.bouncycastle.crypto.CipherParameters params
0: .line 57
aload 2 /* params */
instanceof org.bouncycastle.crypto.params.KeyParameter
ifne 2
1: .line 59
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 62
StackMap locals:
StackMap stack:
aload 0 /* this */
iload 1 /* forEncryption */
putfield org.bouncycastle.crypto.engines.TEAEngine._forEncryption:Z
3: .line 63
aload 0 /* this */
iconst_1
putfield org.bouncycastle.crypto.engines.TEAEngine._initialised:Z
4: .line 65
aload 2 /* params */
checkcast org.bouncycastle.crypto.params.KeyParameter
astore 3 /* p */
start local 3 // org.bouncycastle.crypto.params.KeyParameter p
5: .line 67
aload 0 /* this */
aload 3 /* p */
invokevirtual org.bouncycastle.crypto.params.KeyParameter.getKey:()[B
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.setKey:([B)V
6: .line 68
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.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
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.TEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
start local 3 // byte[] out
start local 4 // int outOff
0: .line 76
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._initialised:Z
ifne 2
1: .line 78
new java.lang.IllegalStateException
dup
new java.lang.StringBuilder
dup
aload 0 /* this */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.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 81
StackMap locals:
StackMap stack:
iload 2 /* inOff */
bipush 8
iadd
aload 1 /* in */
arraylength
if_icmple 4
3: .line 83
new org.bouncycastle.crypto.DataLengthException
dup
ldc "input buffer too short"
invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
athrow
4: .line 86
StackMap locals:
StackMap stack:
iload 4 /* outOff */
bipush 8
iadd
aload 3 /* out */
arraylength
if_icmple 6
5: .line 88
new org.bouncycastle.crypto.DataLengthException
dup
ldc "output buffer too short"
invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
athrow
6: .line 91
StackMap locals:
StackMap stack:
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._forEncryption:Z
ifeq 7
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.encryptBlock:([BI[BI)I
goto 8
7: .line 92
StackMap locals:
StackMap stack:
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.decryptBlock:([BI[BI)I
8: .line 91
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.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
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.TEAEngine this
0: .line 97
return
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
private void setKey(byte[]);
descriptor: ([B)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=2, args_size=2
start local 0 // org.bouncycastle.crypto.engines.TEAEngine this
start local 1 // byte[] key
0: .line 107
aload 0 /* this */
aload 0 /* this */
aload 1 /* key */
iconst_0
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
putfield org.bouncycastle.crypto.engines.TEAEngine._a:I
1: .line 108
aload 0 /* this */
aload 0 /* this */
aload 1 /* key */
iconst_4
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
putfield org.bouncycastle.crypto.engines.TEAEngine._b:I
2: .line 109
aload 0 /* this */
aload 0 /* this */
aload 1 /* key */
bipush 8
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
putfield org.bouncycastle.crypto.engines.TEAEngine._c:I
3: .line 110
aload 0 /* this */
aload 0 /* this */
aload 1 /* key */
bipush 12
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
putfield org.bouncycastle.crypto.engines.TEAEngine._d:I
4: .line 111
return
end local 1 // byte[] key
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
0 5 1 key [B
MethodParameters:
Name Flags
key
private int encryptBlock(byte[], int, byte[], int);
descriptor: ([BI[BI)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=9, args_size=5
start local 0 // org.bouncycastle.crypto.engines.TEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
start local 3 // byte[] out
start local 4 // int outOff
0: .line 120
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
istore 5 /* v0 */
start local 5 // int v0
1: .line 121
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
istore 6 /* v1 */
start local 6 // int v1
2: .line 123
iconst_0
istore 7 /* sum */
start local 7 // int sum
3: .line 125
iconst_0
istore 8 /* i */
start local 8 // int i
4: goto 9
5: .line 127
StackMap locals: org.bouncycastle.crypto.engines.TEAEngine byte[] int byte[] int int int int int
StackMap stack:
iload 7 /* sum */
ldc -1640531527
iadd
istore 7 /* sum */
6: .line 128
iload 5 /* v0 */
iload 6 /* v1 */
iconst_4
ishl
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._a:I
iadd
iload 6 /* v1 */
iload 7 /* sum */
iadd
ixor
iload 6 /* v1 */
iconst_5
iushr
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._b:I
iadd
ixor
iadd
istore 5 /* v0 */
7: .line 129
iload 6 /* v1 */
iload 5 /* v0 */
iconst_4
ishl
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._c:I
iadd
iload 5 /* v0 */
iload 7 /* sum */
iadd
ixor
iload 5 /* v0 */
iconst_5
iushr
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._d:I
iadd
ixor
iadd
istore 6 /* v1 */
8: .line 125
iinc 8 /* i */ 1
StackMap locals:
StackMap stack:
9: iload 8 /* i */
bipush 32
if_icmpne 5
end local 8 // int i
10: .line 132
aload 0 /* this */
iload 5 /* v0 */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.unpackInt:(I[BI)V
11: .line 133
aload 0 /* this */
iload 6 /* v1 */
aload 3 /* out */
iload 4 /* outOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.unpackInt:(I[BI)V
12: .line 135
bipush 8
ireturn
end local 7 // int sum
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.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 13 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
0 13 1 in [B
0 13 2 inOff I
0 13 3 out [B
0 13 4 outOff I
1 13 5 v0 I
2 13 6 v1 I
3 13 7 sum I
4 10 8 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=9, args_size=5
start local 0 // org.bouncycastle.crypto.engines.TEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
start local 3 // byte[] out
start local 4 // int outOff
0: .line 145
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
istore 5 /* v0 */
start local 5 // int v0
1: .line 146
aload 0 /* this */
aload 1 /* in */
iload 2 /* inOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.bytesToInt:([BI)I
istore 6 /* v1 */
start local 6 // int v1
2: .line 148
ldc -957401312
istore 7 /* sum */
start local 7 // int sum
3: .line 150
iconst_0
istore 8 /* i */
start local 8 // int i
4: goto 9
5: .line 152
StackMap locals: org.bouncycastle.crypto.engines.TEAEngine byte[] int byte[] int int int int int
StackMap stack:
iload 6 /* v1 */
iload 5 /* v0 */
iconst_4
ishl
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._c:I
iadd
iload 5 /* v0 */
iload 7 /* sum */
iadd
ixor
iload 5 /* v0 */
iconst_5
iushr
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._d:I
iadd
ixor
isub
istore 6 /* v1 */
6: .line 153
iload 5 /* v0 */
iload 6 /* v1 */
iconst_4
ishl
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._a:I
iadd
iload 6 /* v1 */
iload 7 /* sum */
iadd
ixor
iload 6 /* v1 */
iconst_5
iushr
aload 0 /* this */
getfield org.bouncycastle.crypto.engines.TEAEngine._b:I
iadd
ixor
isub
istore 5 /* v0 */
7: .line 154
iload 7 /* sum */
ldc -1640531527
isub
istore 7 /* sum */
8: .line 150
iinc 8 /* i */ 1
StackMap locals:
StackMap stack:
9: iload 8 /* i */
bipush 32
if_icmpne 5
end local 8 // int i
10: .line 157
aload 0 /* this */
iload 5 /* v0 */
aload 3 /* out */
iload 4 /* outOff */
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.unpackInt:(I[BI)V
11: .line 158
aload 0 /* this */
iload 6 /* v1 */
aload 3 /* out */
iload 4 /* outOff */
iconst_4
iadd
invokevirtual org.bouncycastle.crypto.engines.TEAEngine.unpackInt:(I[BI)V
12: .line 160
bipush 8
ireturn
end local 7 // int sum
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.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 13 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
0 13 1 in [B
0 13 2 inOff I
0 13 3 out [B
0 13 4 outOff I
1 13 5 v0 I
2 13 6 v1 I
3 13 7 sum I
4 10 8 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.TEAEngine this
start local 1 // byte[] in
start local 2 // int inOff
0: .line 165
aload 1 /* in */
iload 2 /* inOff */
iinc 2 /* inOff */ 1
baload
bipush 24
ishl
1: .line 166
aload 1 /* in */
iload 2 /* inOff */
iinc 2 /* inOff */ 1
baload
sipush 255
iand
bipush 16
ishl
2: .line 165
ior
3: .line 167
aload 1 /* in */
iload 2 /* inOff */
iinc 2 /* inOff */ 1
baload
sipush 255
iand
bipush 8
ishl
4: .line 165
ior
5: .line 168
aload 1 /* in */
iload 2 /* inOff */
baload
sipush 255
iand
6: .line 165
ior
ireturn
end local 2 // int inOff
end local 1 // byte[] in
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
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.TEAEngine this
start local 1 // int v
start local 2 // byte[] out
start local 3 // int outOff
0: .line 173
aload 2 /* out */
iload 3 /* outOff */
iinc 3 /* outOff */ 1
iload 1 /* v */
bipush 24
iushr
i2b
bastore
1: .line 174
aload 2 /* out */
iload 3 /* outOff */
iinc 3 /* outOff */ 1
iload 1 /* v */
bipush 16
iushr
i2b
bastore
2: .line 175
aload 2 /* out */
iload 3 /* outOff */
iinc 3 /* outOff */ 1
iload 1 /* v */
bipush 8
iushr
i2b
bastore
3: .line 176
aload 2 /* out */
iload 3 /* outOff */
iload 1 /* v */
i2b
bastore
4: .line 177
return
end local 3 // int outOff
end local 2 // byte[] out
end local 1 // int v
end local 0 // org.bouncycastle.crypto.engines.TEAEngine this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lorg/bouncycastle/crypto/engines/TEAEngine;
0 5 1 v I
0 5 2 out [B
0 5 3 outOff I
MethodParameters:
Name Flags
v
out
outOff
}
SourceFile: "TEAEngine.java"