abstract class com.jcraft.jsch.jce.HMAC implements com.jcraft.jsch.MAC
minor version: 0
major version: 59
flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
this_class: com.jcraft.jsch.jce.HMAC
super_class: java.lang.Object
{
protected java.lang.String name;
descriptor: Ljava/lang/String;
flags: (0x0004) ACC_PROTECTED
protected int bsize;
descriptor: I
flags: (0x0004) ACC_PROTECTED
protected java.lang.String algorithm;
descriptor: Ljava/lang/String;
flags: (0x0004) ACC_PROTECTED
private javax.crypto.Mac mac;
descriptor: Ljavax/crypto/Mac;
flags: (0x0002) ACC_PRIVATE
private final byte[] tmp;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
void <init>();
descriptor: ()V
flags: (0x0000)
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
iconst_4
newarray 8
putfield com.jcraft.jsch.jce.HMAC.tmp:[B
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lcom/jcraft/jsch/jce/HMAC;
public int getBlockSize();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield com.jcraft.jsch.jce.HMAC.bsize:I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/jcraft/jsch/jce/HMAC;
public void init(byte[]);
descriptor: ([B)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=3, args_size=2
start local 0 start local 1 0: aload 1
arraylength
aload 0
getfield com.jcraft.jsch.jce.HMAC.bsize:I
if_icmple 4
1: aload 0
getfield com.jcraft.jsch.jce.HMAC.bsize:I
newarray 8
astore 2
start local 2 2: aload 1
iconst_0
aload 2
iconst_0
aload 0
getfield com.jcraft.jsch.jce.HMAC.bsize:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
3: aload 2
astore 1
end local 2 4: StackMap locals:
StackMap stack:
new javax.crypto.spec.SecretKeySpec
dup
aload 1
aload 0
getfield com.jcraft.jsch.jce.HMAC.algorithm:Ljava/lang/String;
invokespecial javax.crypto.spec.SecretKeySpec.<init>:([BLjava/lang/String;)V
astore 2
start local 2 5: aload 0
aload 0
getfield com.jcraft.jsch.jce.HMAC.algorithm:Ljava/lang/String;
invokestatic javax.crypto.Mac.getInstance:(Ljava/lang/String;)Ljavax/crypto/Mac;
putfield com.jcraft.jsch.jce.HMAC.mac:Ljavax/crypto/Mac;
6: aload 0
getfield com.jcraft.jsch.jce.HMAC.mac:Ljavax/crypto/Mac;
aload 2
invokevirtual javax.crypto.Mac.init:(Ljava/security/Key;)V
7: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lcom/jcraft/jsch/jce/HMAC;
0 8 1 key [B
2 4 2 tmp [B
5 8 2 skey Ljavax/crypto/spec/SecretKeySpec;
Exceptions:
throws java.lang.Exception
MethodParameters:
Name Flags
key
public void update(int);
descriptor: (I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield com.jcraft.jsch.jce.HMAC.tmp:[B
iconst_0
iload 1
bipush 24
iushr
i2b
bastore
1: aload 0
getfield com.jcraft.jsch.jce.HMAC.tmp:[B
iconst_1
iload 1
bipush 16
iushr
i2b
bastore
2: aload 0
getfield com.jcraft.jsch.jce.HMAC.tmp:[B
iconst_2
iload 1
bipush 8
iushr
i2b
bastore
3: aload 0
getfield com.jcraft.jsch.jce.HMAC.tmp:[B
iconst_3
iload 1
i2b
bastore
4: aload 0
aload 0
getfield com.jcraft.jsch.jce.HMAC.tmp:[B
iconst_0
iconst_4
invokevirtual com.jcraft.jsch.jce.HMAC.update:([BII)V
5: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lcom/jcraft/jsch/jce/HMAC;
0 6 1 i I
MethodParameters:
Name Flags
i
public void update(byte[], int, int);
descriptor: ([BII)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
getfield com.jcraft.jsch.jce.HMAC.mac:Ljavax/crypto/Mac;
aload 1
iload 2
iload 3
invokevirtual javax.crypto.Mac.update:([BII)V
1: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/jcraft/jsch/jce/HMAC;
0 2 1 foo [B
0 2 2 s I
0 2 3 l I
MethodParameters:
Name Flags
foo
s
l
public void doFinal(byte[], int);
descriptor: ([BI)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=4, args_size=3
start local 0 start local 1 start local 2 0: aload 0
getfield com.jcraft.jsch.jce.HMAC.mac:Ljavax/crypto/Mac;
aload 1
iload 2
invokevirtual javax.crypto.Mac.doFinal:([BI)V
1: goto 4
2: StackMap locals:
StackMap stack: javax.crypto.ShortBufferException
astore 3
start local 3 3: getstatic java.lang.System.err:Ljava/io/PrintStream;
aload 3
invokevirtual java.io.PrintStream.println:(Ljava/lang/Object;)V
end local 3 4: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lcom/jcraft/jsch/jce/HMAC;
0 5 1 buf [B
0 5 2 offset I
3 4 3 e Ljavax/crypto/ShortBufferException;
Exception table:
from to target type
0 1 2 Class javax.crypto.ShortBufferException
MethodParameters:
Name Flags
buf
offset
public java.lang.String getName();
descriptor: ()Ljava/lang/String;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield com.jcraft.jsch.jce.HMAC.name:Ljava/lang/String;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/jcraft/jsch/jce/HMAC;
}
SourceFile: "HMAC.java"