final class com.sun.crypto.provider.CipherFeedback 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.CipherFeedback
super_class: com.sun.crypto.provider.FeedbackCipher
{
private final byte[] k;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final byte[] register;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
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 start local 1 start local 2 0: aload 0
aload 1
invokespecial com.sun.crypto.provider.FeedbackCipher.<init>:(Lcom/sun/crypto/provider/SymmetricCipher;)V
1: aload 0
aconst_null
putfield com.sun.crypto.provider.CipherFeedback.registerSave:[B
2: iload 2
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
if_icmple 4
3: aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
istore 2
4: StackMap locals: com.sun.crypto.provider.CipherFeedback com.sun.crypto.provider.SymmetricCipher int
StackMap stack:
aload 0
iload 2
putfield com.sun.crypto.provider.CipherFeedback.numBytes:I
5: aload 0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
newarray 8
putfield com.sun.crypto.provider.CipherFeedback.k:[B
6: aload 0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
newarray 8
putfield com.sun.crypto.provider.CipherFeedback.register:[B
7: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lcom/sun/crypto/provider/CipherFeedback;
0 8 1 embeddedCipher Lcom/sun/crypto/provider/SymmetricCipher;
0 8 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 0: ldc "CFB"
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/sun/crypto/provider/CipherFeedback;
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 start local 1 start local 2 start local 3 start local 4 0: aload 3
ifnull 1
aload 4
ifnull 1
aload 4
arraylength
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
if_icmpeq 2
1: StackMap locals:
StackMap stack:
new java.security.InvalidKeyException
dup
ldc "Internal error"
invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
aload 0
aload 4
putfield com.sun.crypto.provider.CipherFeedback.iv:[B
3: aload 0
invokevirtual com.sun.crypto.provider.CipherFeedback.reset:()V
4: aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
iconst_0
aload 2
aload 3
invokevirtual com.sun.crypto.provider.SymmetricCipher.init:(ZLjava/lang/String;[B)V
5: return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lcom/sun/crypto/provider/CipherFeedback;
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 0: aload 0
getfield com.sun.crypto.provider.CipherFeedback.iv:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/sun/crypto/provider/CipherFeedback;
void save();
descriptor: ()V
flags: (0x0000)
Code:
stack=5, locals=1, args_size=1
start local 0 0: aload 0
getfield com.sun.crypto.provider.CipherFeedback.registerSave:[B
ifnonnull 2
1: aload 0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
newarray 8
putfield com.sun.crypto.provider.CipherFeedback.registerSave:[B
2: StackMap locals:
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.registerSave:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
3: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lcom/sun/crypto/provider/CipherFeedback;
void restore();
descriptor: ()V
flags: (0x0000)
Code:
stack=5, locals=1, args_size=1
start local 0 0: aload 0
getfield com.sun.crypto.provider.CipherFeedback.registerSave:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/sun/crypto/provider/CipherFeedback;
void encrypt(byte[], int, int, byte[], int);
descriptor: ([BII[BI)V
flags: (0x0000)
Code:
stack=8, locals=10, args_size=6
start local 0 start local 1 start local 2 start local 3 start local 4 start local 5 0: aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
isub
istore 7
start local 7 1: iload 3
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
idiv
istore 8
start local 8 2: iload 3
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
irem
istore 9
start local 9 3: iload 7
ifne 37
4: goto 15
5: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
6: iconst_0
istore 6
start local 6 7: goto 12
8: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
aload 4
iload 6
iload 5
iadd
9: aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
aload 1
iload 6
iload 2
iadd
baload
ixor
i2b
dup_x2
bastore
10: bastore
11: iinc 6 1
StackMap locals:
StackMap stack:
12: iload 6
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
if_icmplt 8
13: iload 2
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 2
iload 5
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 5
14: iinc 8 -1
end local 6 15: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
iload 8
ifgt 5
16: iload 9
ifle 48
17: aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
18: iconst_0
istore 6
start local 6 19: goto 24
20: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
aload 4
iload 6
iload 5
iadd
21: aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
aload 1
iload 6
iload 2
iadd
baload
ixor
i2b
dup_x2
bastore
22: bastore
23: iinc 6 1
StackMap locals:
StackMap stack:
24: iload 6
iload 9
if_icmplt 20
end local 6 25: goto 48
26: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
27: aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
iload 7
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
28: iconst_0
istore 6
start local 6 29: goto 34
30: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
iload 7
iadd
aload 4
iload 6
iload 5
iadd
31: aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
aload 1
iload 6
iload 2
iadd
baload
ixor
i2b
dup_x2
bastore
32: bastore
33: iinc 6 1
StackMap locals:
StackMap stack:
34: iload 6
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
if_icmplt 30
35: iload 2
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 2
iload 5
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 5
36: iinc 8 -1
end local 6 37: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
iload 8
ifgt 26
38: iload 9
ifeq 48
39: aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
40: aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
iload 7
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
41: iconst_0
istore 6
start local 6 42: goto 47
43: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
iload 7
iadd
aload 4
iload 6
iload 5
iadd
44: aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
aload 1
iload 6
iload 2
iadd
baload
ixor
i2b
dup_x2
bastore
45: bastore
46: iinc 6 1
StackMap locals:
StackMap stack:
47: iload 6
iload 9
if_icmplt 43
end local 6 48: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
return
end local 9 end local 8 end local 7 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 49 0 this Lcom/sun/crypto/provider/CipherFeedback;
0 49 1 plain [B
0 49 2 plainOffset I
0 49 3 plainLen I
0 49 4 cipher [B
0 49 5 cipherOffset I
7 15 6 i I
19 25 6 i I
29 37 6 i I
42 48 6 i I
1 49 7 len I
2 49 8 loopCount I
3 49 9 oddBytes I
MethodParameters:
Name Flags
plain
plainOffset
plainLen
cipher
cipherOffset
void decrypt(byte[], int, int, byte[], int);
descriptor: ([BII[BI)V
flags: (0x0000)
Code:
stack=5, locals=10, args_size=6
start local 0 start local 1 start local 2 start local 3 start local 4 start local 5 0: aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
isub
istore 7
start local 7 1: iload 3
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
idiv
istore 8
start local 8 2: iload 3
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
irem
istore 9
start local 9 3: iload 7
ifne 40
4: goto 16
5: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
6: iconst_0
istore 6
start local 6 7: goto 13
8: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
aload 1
iload 6
iload 2
iadd
baload
bastore
9: aload 4
iload 6
iload 5
iadd
10: aload 1
iload 6
iload 2
iadd
baload
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
ixor
i2b
11: bastore
12: iinc 6 1
StackMap locals:
StackMap stack:
13: iload 6
aload 0
getfield com.sun.crypto.provider.CipherFeedback.blockSize:I
if_icmplt 8
14: iload 5
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 5
iload 2
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 2
15: iinc 8 -1
end local 6 16: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
iload 8
ifgt 5
17: iload 9
ifle 52
18: aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
19: iconst_0
istore 6
start local 6 20: goto 26
21: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
aload 1
iload 6
iload 2
iadd
baload
bastore
22: aload 4
iload 6
iload 5
iadd
23: aload 1
iload 6
iload 2
iadd
baload
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
ixor
i2b
24: bastore
25: iinc 6 1
StackMap locals:
StackMap stack:
26: iload 6
iload 9
if_icmplt 21
end local 6 27: goto 52
28: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
29: aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
iload 7
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
30: iconst_0
istore 6
start local 6 31: goto 37
32: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
iload 7
iadd
aload 1
iload 6
iload 2
iadd
baload
bastore
33: aload 4
iload 6
iload 5
iadd
34: aload 1
iload 6
iload 2
iadd
baload
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
ixor
i2b
35: bastore
36: iinc 6 1
StackMap locals:
StackMap stack:
37: iload 6
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
if_icmplt 32
38: iload 5
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 5
iload 2
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
iadd
istore 2
39: iinc 8 -1
end local 6 40: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
iload 8
ifgt 28
41: iload 9
ifeq 52
42: aload 0
getfield com.sun.crypto.provider.CipherFeedback.embeddedCipher:Lcom/sun/crypto/provider/SymmetricCipher;
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iconst_0
invokevirtual com.sun.crypto.provider.SymmetricCipher.encryptBlock:([BI[BI)V
43: aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
aload 0
getfield com.sun.crypto.provider.CipherFeedback.numBytes:I
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iconst_0
iload 7
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
44: iconst_0
istore 6
start local 6 45: goto 51
46: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int int int int int
StackMap stack:
aload 0
getfield com.sun.crypto.provider.CipherFeedback.register:[B
iload 6
iload 7
iadd
aload 1
iload 6
iload 2
iadd
baload
bastore
47: aload 4
iload 6
iload 5
iadd
48: aload 1
iload 6
iload 2
iadd
baload
aload 0
getfield com.sun.crypto.provider.CipherFeedback.k:[B
iload 6
baload
ixor
i2b
49: bastore
50: iinc 6 1
StackMap locals:
StackMap stack:
51: iload 6
iload 9
if_icmplt 46
end local 6 52: StackMap locals: com.sun.crypto.provider.CipherFeedback byte[] int int byte[] int top int int int
StackMap stack:
return
end local 9 end local 8 end local 7 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 53 0 this Lcom/sun/crypto/provider/CipherFeedback;
0 53 1 cipher [B
0 53 2 cipherOffset I
0 53 3 cipherLen I
0 53 4 plain [B
0 53 5 plainOffset I
7 16 6 i I
20 27 6 i I
31 40 6 i I
45 52 6 i I
1 53 7 len I
2 53 8 loopCount I
3 53 9 oddBytes I
MethodParameters:
Name Flags
cipher
cipherOffset
cipherLen
plain
plainOffset
}
SourceFile: "CipherFeedback.java"