class java.security.Signature$CipherAdapter extends java.security.SignatureSpi
minor version: 0
major version: 59
flags: flags: (0x0020) ACC_SUPER
this_class: java.security.Signature$CipherAdapter
super_class: java.security.SignatureSpi
{
private final javax.crypto.Cipher cipher;
descriptor: Ljavax/crypto/Cipher;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private java.io.ByteArrayOutputStream data;
descriptor: Ljava/io/ByteArrayOutputStream;
flags: (0x0002) ACC_PRIVATE
void <init>(javax.crypto.Cipher);
descriptor: (Ljavax/crypto/Cipher;)V
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.security.SignatureSpi.<init>:()V
1: aload 0
aload 1
putfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
2: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/Signature$CipherAdapter;
0 3 1 cipher Ljavax/crypto/Cipher;
MethodParameters:
Name Flags
cipher
protected void engineInitVerify(java.security.PublicKey);
descriptor: (Ljava/security/PublicKey;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
iconst_2
aload 1
invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
1: aload 0
getfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
ifnonnull 4
2: aload 0
new java.io.ByteArrayOutputStream
dup
sipush 128
invokespecial java.io.ByteArrayOutputStream.<init>:(I)V
putfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
3: goto 5
4: StackMap locals:
StackMap stack:
aload 0
getfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
invokevirtual java.io.ByteArrayOutputStream.reset:()V
5: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/security/Signature$CipherAdapter;
0 6 1 publicKey Ljava/security/PublicKey;
Exceptions:
throws java.security.InvalidKeyException
MethodParameters:
Name Flags
publicKey
protected void engineInitSign(java.security.PrivateKey);
descriptor: (Ljava/security/PrivateKey;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
iconst_1
aload 1
invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
1: aload 0
aconst_null
putfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
2: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/Signature$CipherAdapter;
0 3 1 privateKey Ljava/security/PrivateKey;
Exceptions:
throws java.security.InvalidKeyException
MethodParameters:
Name Flags
privateKey
protected void engineInitSign(java.security.PrivateKey, java.security.SecureRandom);
descriptor: (Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
getfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
iconst_1
aload 1
aload 2
invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;Ljava/security/SecureRandom;)V
1: aload 0
aconst_null
putfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
2: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/Signature$CipherAdapter;
0 3 1 privateKey Ljava/security/PrivateKey;
0 3 2 random Ljava/security/SecureRandom;
Exceptions:
throws java.security.InvalidKeyException
MethodParameters:
Name Flags
privateKey
random
protected void engineUpdate(byte);
descriptor: (B)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=5, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iconst_1
newarray 8
dup
iconst_0
iload 1
bastore
iconst_0
iconst_1
invokevirtual java.security.Signature$CipherAdapter.engineUpdate:([BII)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/security/Signature$CipherAdapter;
0 2 1 b B
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
b
protected void engineUpdate(byte[], int, int);
descriptor: ([BII)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
getfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
ifnull 3
1: aload 0
getfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
aload 1
iload 2
iload 3
invokevirtual java.io.ByteArrayOutputStream.write:([BII)V
2: return
3: StackMap locals:
StackMap stack:
aload 0
getfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
aload 1
iload 2
iload 3
invokevirtual javax.crypto.Cipher.update:([BII)[B
astore 4
start local 4 4: aload 4
ifnull 8
aload 4
arraylength
ifeq 8
5: new java.security.SignatureException
dup
6: ldc "Cipher unexpectedly returned data"
7: invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
athrow
8: StackMap locals: byte[]
StackMap stack:
return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Ljava/security/Signature$CipherAdapter;
0 9 1 b [B
0 9 2 off I
0 9 3 len I
4 9 4 out [B
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
b
off
len
protected byte[] engineSign();
descriptor: ()[B
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=2, args_size=1
start local 0 0: aload 0
getfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
invokevirtual javax.crypto.Cipher.doFinal:()[B
1: areturn
2: StackMap locals:
StackMap stack: javax.crypto.IllegalBlockSizeException
astore 1
start local 1 3: new java.security.SignatureException
dup
ldc "doFinal() failed"
aload 1
invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 1 4: StackMap locals:
StackMap stack: javax.crypto.BadPaddingException
astore 1
start local 1 5: new java.security.SignatureException
dup
ldc "doFinal() failed"
aload 1
invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/security/Signature$CipherAdapter;
3 4 1 e Ljavax/crypto/IllegalBlockSizeException;
5 6 1 e Ljavax/crypto/BadPaddingException;
Exception table:
from to target type
0 1 2 Class javax.crypto.IllegalBlockSizeException
0 1 4 Class javax.crypto.BadPaddingException
Exceptions:
throws java.security.SignatureException
protected boolean engineVerify(byte[]);
descriptor: ([B)Z
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=4, args_size=2
start local 0 start local 1 0: aload 0
getfield java.security.Signature$CipherAdapter.cipher:Ljavax/crypto/Cipher;
aload 1
invokevirtual javax.crypto.Cipher.doFinal:([B)[B
astore 2
start local 2 1: aload 0
getfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
astore 3
start local 3 2: aload 0
getfield java.security.Signature$CipherAdapter.data:Ljava/io/ByteArrayOutputStream;
invokevirtual java.io.ByteArrayOutputStream.reset:()V
3: aload 2
aload 3
invokestatic java.security.MessageDigest.isEqual:([B[B)Z
4: ireturn
end local 3 end local 2 5: StackMap locals:
StackMap stack: javax.crypto.BadPaddingException
pop
6: iconst_0
ireturn
7: StackMap locals:
StackMap stack: javax.crypto.IllegalBlockSizeException
astore 2
start local 2 8: new java.security.SignatureException
dup
ldc "doFinal() failed"
aload 2
invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Ljava/security/Signature$CipherAdapter;
0 9 1 sigBytes [B
1 5 2 out [B
2 5 3 dataBytes [B
8 9 2 e Ljavax/crypto/IllegalBlockSizeException;
Exception table:
from to target type
0 4 5 Class javax.crypto.BadPaddingException
0 4 7 Class javax.crypto.IllegalBlockSizeException
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
sigBytes
protected void engineSetParameter(java.lang.String, java.lang.Object);
descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: new java.security.InvalidParameterException
dup
ldc "Parameters not supported"
invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
athrow
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/Signature$CipherAdapter;
0 1 1 param Ljava/lang/String;
0 1 2 value Ljava/lang/Object;
Exceptions:
throws java.security.InvalidParameterException
MethodParameters:
Name Flags
param
value
protected java.lang.Object engineGetParameter(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/Object;
flags: (0x0004) ACC_PROTECTED
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: new java.security.InvalidParameterException
dup
ldc "Parameters not supported"
invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/Signature$CipherAdapter;
0 1 1 param Ljava/lang/String;
Exceptions:
throws java.security.InvalidParameterException
MethodParameters:
Name Flags
param
}
SourceFile: "Signature.java"
NestHost: java.security.Signature
InnerClasses:
private CipherAdapter = java.security.Signature$CipherAdapter of java.security.Signature