-
OutputFeedback
-
k: byte[]
-
register: byte[]
-
numBytes: int
-
registerSave: byte[]
-
<init>(SymmetricCipher, int): void
-
getFeedback(): String
-
init(boolean, String, byte[], byte[]): void
-
reset(): void
-
save(): void
-
restore(): void
-
encrypt(byte[], int, int, byte[], int): int
-
encryptFinal(byte[], int, int, byte[], int): int
-
decrypt(byte[], int, int, byte[], int): int
-
decryptFinal(byte[], int, int, byte[], int): int
-
final class com.sun.crypto.provider.OutputFeedback extends com.sun.crypto.provider.FeedbackCipher
minor version: 0
major version: 59
flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: com.sun.crypto.provider.OutputFeedback
super_class: com.sun.crypto.provider.FeedbackCipher
{
private byte[] k;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
private byte[] register;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
private int numBytes;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private byte[] registerSave;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
void <init>(com.sun.crypto.provider.SymmetricCipher, int);
descriptor: (Lcom/sun/crypto/provider/SymmetricCipher;I)V
flags: (0x0000)
Code:
stack=2, locals=3, args_size=3
start local 0 // com.sun.crypto.provider.OutputFeedback this
start local 1 // com.sun.crypto.provider.SymmetricCipher embeddedCipher
start local 2 // int numBytes
0: .line 65
aload 0 /* this */
aload 1 /* embeddedCipher */
invokespecial com.sun.crypto.provider.FeedbackCipher.<init>:(Lcom/sun/crypto/provider/SymmetricCipher;)V
1: .line 48
aload 0 /* this */
aconst_null
putfield com.sun.crypto.provider.OutputFeedback.k:[B
2: .line 53
aload 0 /* this */
aconst_null
putfield com.sun.crypto.provider.OutputFeedback.register:[B
3: .line 62
aload 0 /* this */
aconst_null
putfield com.sun.crypto.provider.OutputFeedback.registerSave:[B
4: .line 66
iload 2 /* numBytes */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
if_icmple 6
5: .line 67
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
istore 2 /* numBytes */
6: .line 69
StackMap locals: com.sun.crypto.provider.OutputFeedback com.sun.crypto.provider.SymmetricCipher int
StackMap stack:
aload 0 /* this */
iload 2 /* numBytes */
putfield com.sun.crypto.provider.OutputFeedback.numBytes:I
7: .line 70
aload 0 /* this */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
newarray 8
putfield com.sun.crypto.provider.OutputFeedback.k:[B
8: .line 71
aload 0 /* this */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
newarray 8
putfield com.sun.crypto.provider.OutputFeedback.register:[B
9: .line 72
return
end local 2 // int numBytes
end local 1 // com.sun.crypto.provider.SymmetricCipher embeddedCipher
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Lcom/sun/crypto/provider/OutputFeedback;
0 10 1 embeddedCipher Lcom/sun/crypto/provider/SymmetricCipher;
0 10 2 numBytes I
MethodParameters:
Name Flags
embeddedCipher
numBytes
java.lang.String getFeedback();
descriptor: ()Ljava/lang/String;
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 // com.sun.crypto.provider.OutputFeedback this
0: .line 80
ldc "OFB"
areturn
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/sun/crypto/provider/OutputFeedback;
void init(boolean, java.lang.String, byte[], byte[]);
descriptor: (ZLjava/lang/String;[B[B)V
flags: (0x0000)
Code:
stack=4, locals=5, args_size=5
start local 0 // com.sun.crypto.provider.OutputFeedback this
start local 1 // boolean decrypting
start local 2 // java.lang.String algorithm
start local 3 // byte[] key
start local 4 // byte[] iv
0: .line 97
aload 3 /* key */
ifnull 1
aload 4 /* iv */
ifnull 1
aload 4 /* iv */
arraylength
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
if_icmpeq 2
1: .line 98
StackMap locals:
StackMap stack:
new java.security.InvalidKeyException
dup
ldc "Internal error"
invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
athrow
2: .line 100
StackMap locals:
StackMap stack:
aload 0 /* this */
aload 4 /* iv */
putfield com.sun.crypto.provider.OutputFeedback.iv:[B
3: .line 101
aload 0 /* this */
invokevirtual com.sun.crypto.provider.OutputFeedback.reset:()V
4: .line 103
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
iconst_0
aload 2 /* algorithm */
aload 3 /* key */
invokevirtual com.sun.crypto.provider.SymmetricCipher.init:(ZLjava/lang/String;[B)V
5: .line 104
return
end local 4 // byte[] iv
end local 3 // byte[] key
end local 2 // java.lang.String algorithm
end local 1 // boolean decrypting
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lcom/sun/crypto/provider/OutputFeedback;
0 6 1 decrypting Z
0 6 2 algorithm Ljava/lang/String;
0 6 3 key [B
0 6 4 iv [B
Exceptions:
throws java.security.InvalidKeyException
MethodParameters:
Name Flags
decrypting
algorithm
key
iv
void reset();
descriptor: ()V
flags: (0x0000)
Code:
stack=5, locals=1, args_size=1
start local 0 // com.sun.crypto.provider.OutputFeedback this
0: .line 112
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.iv:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
1: .line 113
return
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/sun/crypto/provider/OutputFeedback;
void save();
descriptor: ()V
flags: (0x0000)
Code:
stack=5, locals=1, args_size=1
start local 0 // com.sun.crypto.provider.OutputFeedback this
0: .line 119
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.registerSave:[B
ifnonnull 2
1: .line 120
aload 0 /* this */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
newarray 8
putfield com.sun.crypto.provider.OutputFeedback.registerSave:[B
2: .line 122
StackMap locals:
StackMap stack:
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.registerSave:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
3: .line 123
return
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lcom/sun/crypto/provider/OutputFeedback;
void restore();
descriptor: ()V
flags: (0x0000)
Code:
stack=5, locals=1, args_size=1
start local 0 // com.sun.crypto.provider.OutputFeedback this
0: .line 129
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.registerSave:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
1: .line 130
return
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/sun/crypto/provider/OutputFeedback;
int encrypt(byte[], int, int, byte[], int);
descriptor: ([BII[BI)I
flags: (0x0000)
Code:
stack=6, locals=9, args_size=6
start local 0 // com.sun.crypto.provider.OutputFeedback this
start local 1 // byte[] plain
start local 2 // int plainOffset
start local 3 // int plainLen
start local 4 // byte[] cipher
start local 5 // int cipherOffset
0: .line 152
iload 3 /* plainLen */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
invokestatic sun.security.util.ArrayUtil.blockSizeCheck:(II)V
1: .line 153
aload 1 /* plain */
iload 2 /* plainOffset */
iload 3 /* plainLen */
invokestatic sun.security.util.ArrayUtil.nullAndBoundsCheck:([BII)V
2: .line 154
aload 4 /* cipher */
iload 5 /* cipherOffset */
iload 3 /* plainLen */
invokestatic sun.security.util.ArrayUtil.nullAndBoundsCheck:([BII)V
3: .line 156
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.blockSize:I
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
isub
istore 6 /* nShift */
start local 6 // int nShift
4: .line 157
iload 3 /* plainLen */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
idiv
istore 7 /* loopCount */
start local 7 // int loopCount
5: .line 159
goto 19
6: .line 162
StackMap locals: int int
StackMap stack:
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
7: .line 163
iconst_0
istore 8 /* i */
start local 8 // int i
8: goto 13
9: .line 164
StackMap locals: int
StackMap stack:
aload 4 /* cipher */
iload 8 /* i */
iload 5 /* cipherOffset */
iadd
10: .line 165
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.k:[B
iload 8 /* i */
baload
aload 1 /* plain */
iload 8 /* i */
iload 2 /* plainOffset */
iadd
baload
ixor
i2b
11: .line 164
bastore
12: .line 163
iinc 8 /* i */ 1
StackMap locals:
StackMap stack:
13: iload 8 /* i */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
if_icmplt 9
end local 8 // int i
14: .line 167
iload 6 /* nShift */
ifeq 16
15: .line 168
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iconst_0
iload 6 /* nShift */
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
16: .line 170
StackMap locals:
StackMap stack:
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.k:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iload 6 /* nShift */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
17: .line 160
iload 2 /* plainOffset */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
iadd
istore 2 /* plainOffset */
iload 5 /* cipherOffset */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
iadd
istore 5 /* cipherOffset */
18: .line 161
iinc 7 /* loopCount */ -1
19: .line 159
StackMap locals:
StackMap stack:
iload 7 /* loopCount */
ifgt 6
20: .line 172
iload 3 /* plainLen */
ireturn
end local 7 // int loopCount
end local 6 // int nShift
end local 5 // int cipherOffset
end local 4 // byte[] cipher
end local 3 // int plainLen
end local 2 // int plainOffset
end local 1 // byte[] plain
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 21 0 this Lcom/sun/crypto/provider/OutputFeedback;
0 21 1 plain [B
0 21 2 plainOffset I
0 21 3 plainLen I
0 21 4 cipher [B
0 21 5 cipherOffset I
4 21 6 nShift I
5 21 7 loopCount I
8 14 8 i I
MethodParameters:
Name Flags
plain
plainOffset
plainLen
cipher
cipherOffset
int encryptFinal(byte[], int, int, byte[], int);
descriptor: ([BII[BI)I
flags: (0x0000)
Code:
stack=6, locals=9, args_size=6
start local 0 // com.sun.crypto.provider.OutputFeedback this
start local 1 // byte[] plain
start local 2 // int plainOffset
start local 3 // int plainLen
start local 4 // byte[] cipher
start local 5 // int cipherOffset
0: .line 193
aload 1 /* plain */
iload 2 /* plainOffset */
iload 3 /* plainLen */
invokestatic sun.security.util.ArrayUtil.nullAndBoundsCheck:([BII)V
1: .line 194
aload 4 /* cipher */
iload 5 /* cipherOffset */
iload 3 /* plainLen */
invokestatic sun.security.util.ArrayUtil.nullAndBoundsCheck:([BII)V
2: .line 196
iload 3 /* plainLen */
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.numBytes:I
irem
istore 6 /* oddBytes */
start local 6 // int oddBytes
3: .line 197
aload 0 /* this */
aload 1 /* plain */
iload 2 /* plainOffset */
iload 3 /* plainLen */
iload 6 /* oddBytes */
isub
4: .line 198
aload 4 /* cipher */
iload 5 /* cipherOffset */
5: .line 197
invokevirtual com.sun.crypto.provider.OutputFeedback.encrypt:([BII[BI)I
istore 7 /* len */
start local 7 // int len
6: .line 199
iload 2 /* plainOffset */
iload 7 /* len */
iadd
istore 2 /* plainOffset */
7: .line 200
iload 5 /* cipherOffset */
iload 7 /* len */
iadd
istore 5 /* cipherOffset */
8: .line 202
iload 6 /* oddBytes */
ifeq 17
9: .line 203
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.register:[B
iconst_0
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
10: .line 204
iconst_0
istore 8 /* i */
start local 8 // int i
11: goto 16
12: .line 205
StackMap locals: int int int
StackMap stack:
aload 4 /* cipher */
iload 8 /* i */
iload 5 /* cipherOffset */
iadd
13: .line 206
aload 0 /* this */
getfield com.sun.crypto.provider.OutputFeedback.k:[B
iload 8 /* i */
baload
aload 1 /* plain */
iload 8 /* i */
iload 2 /* plainOffset */
iadd
baload
ixor
i2b
14: .line 205
bastore
15: .line 204
iinc 8 /* i */ 1
StackMap locals:
StackMap stack:
16: iload 8 /* i */
iload 6 /* oddBytes */
if_icmplt 12
end local 8 // int i
17: .line 209
StackMap locals:
StackMap stack:
iload 3 /* plainLen */
ireturn
end local 7 // int len
end local 6 // int oddBytes
end local 5 // int cipherOffset
end local 4 // byte[] cipher
end local 3 // int plainLen
end local 2 // int plainOffset
end local 1 // byte[] plain
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 18 0 this Lcom/sun/crypto/provider/OutputFeedback;
0 18 1 plain [B
0 18 2 plainOffset I
0 18 3 plainLen I
0 18 4 cipher [B
0 18 5 cipherOffset I
3 18 6 oddBytes I
6 18 7 len I
11 17 8 i I
MethodParameters:
Name Flags
plain
plainOffset
plainLen
cipher
cipherOffset
int decrypt(byte[], int, int, byte[], int);
descriptor: ([BII[BI)I
flags: (0x0000)
Code:
stack=6, locals=6, args_size=6
start local 0 // com.sun.crypto.provider.OutputFeedback this
start local 1 // byte[] cipher
start local 2 // int cipherOffset
start local 3 // int cipherLen
start local 4 // byte[] plain
start local 5 // int plainOffset
0: .line 215
aload 0 /* this */
aload 1 /* cipher */
iload 2 /* cipherOffset */
iload 3 /* cipherLen */
aload 4 /* plain */
iload 5 /* plainOffset */
invokevirtual com.sun.crypto.provider.OutputFeedback.encrypt:([BII[BI)I
ireturn
end local 5 // int plainOffset
end local 4 // byte[] plain
end local 3 // int cipherLen
end local 2 // int cipherOffset
end local 1 // byte[] cipher
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/sun/crypto/provider/OutputFeedback;
0 1 1 cipher [B
0 1 2 cipherOffset I
0 1 3 cipherLen I
0 1 4 plain [B
0 1 5 plainOffset I
MethodParameters:
Name Flags
cipher
cipherOffset
cipherLen
plain
plainOffset
int decryptFinal(byte[], int, int, byte[], int);
descriptor: ([BII[BI)I
flags: (0x0000)
Code:
stack=6, locals=6, args_size=6
start local 0 // com.sun.crypto.provider.OutputFeedback this
start local 1 // byte[] cipher
start local 2 // int cipherOffset
start local 3 // int cipherLen
start local 4 // byte[] plain
start local 5 // int plainOffset
0: .line 222
aload 0 /* this */
aload 1 /* cipher */
iload 2 /* cipherOffset */
iload 3 /* cipherLen */
aload 4 /* plain */
iload 5 /* plainOffset */
invokevirtual com.sun.crypto.provider.OutputFeedback.encryptFinal:([BII[BI)I
ireturn
end local 5 // int plainOffset
end local 4 // byte[] plain
end local 3 // int cipherLen
end local 2 // int cipherOffset
end local 1 // byte[] cipher
end local 0 // com.sun.crypto.provider.OutputFeedback this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/sun/crypto/provider/OutputFeedback;
0 1 1 cipher [B
0 1 2 cipherOffset I
0 1 3 cipherLen I
0 1 4 plain [B
0 1 5 plainOffset I
MethodParameters:
Name Flags
cipher
cipherOffset
cipherLen
plain
plainOffset
}
SourceFile: "OutputFeedback.java"