public abstract class java.security.SignatureSpi
minor version: 0
major version: 59
flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
this_class: java.security.SignatureSpi
super_class: java.lang.Object
{
protected java.security.SecureRandom appRandom;
descriptor: Ljava/security/SecureRandom;
flags: (0x0004) ACC_PROTECTED
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aconst_null
putfield java.security.SignatureSpi.appRandom:Ljava/security/SecureRandom;
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/SignatureSpi;
protected abstract void engineInitVerify(java.security.PublicKey);
descriptor: (Ljava/security/PublicKey;)V
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.InvalidKeyException
MethodParameters:
Name Flags
publicKey
void engineInitVerify(java.security.PublicKey, java.security.spec.AlgorithmParameterSpec);
descriptor: (Ljava/security/PublicKey;Ljava/security/spec/AlgorithmParameterSpec;)V
flags: (0x0000)
Code:
stack=3, locals=4, args_size=3
start local 0 start local 1 start local 2 0: aload 2
ifnull 5
1: aload 0
aload 2
invokevirtual java.security.SignatureSpi.engineSetParameter:(Ljava/security/spec/AlgorithmParameterSpec;)V
2: goto 5
StackMap locals:
StackMap stack: java.lang.UnsupportedOperationException
3: astore 3
start local 3 4: new java.security.InvalidAlgorithmParameterException
dup
aload 3
invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/Throwable;)V
athrow
end local 3 5: StackMap locals:
StackMap stack:
aload 0
aload 1
invokevirtual java.security.SignatureSpi.engineInitVerify:(Ljava/security/PublicKey;)V
6: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/security/SignatureSpi;
0 7 1 publicKey Ljava/security/PublicKey;
0 7 2 params Ljava/security/spec/AlgorithmParameterSpec;
4 5 3 usoe Ljava/lang/UnsupportedOperationException;
Exception table:
from to target type
1 2 3 Class java.lang.UnsupportedOperationException
Exceptions:
throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
MethodParameters:
Name Flags
publicKey
params
protected abstract void engineInitSign(java.security.PrivateKey);
descriptor: (Ljava/security/PrivateKey;)V
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
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=2, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 2
putfield java.security.SignatureSpi.appRandom:Ljava/security/SecureRandom;
1: aload 0
aload 1
invokevirtual java.security.SignatureSpi.engineInitSign:(Ljava/security/PrivateKey;)V
2: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/SignatureSpi;
0 3 1 privateKey Ljava/security/PrivateKey;
0 3 2 random Ljava/security/SecureRandom;
Exceptions:
throws java.security.InvalidKeyException
MethodParameters:
Name Flags
privateKey
random
void engineInitSign(java.security.PrivateKey, java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom);
descriptor: (Ljava/security/PrivateKey;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
flags: (0x0000)
Code:
stack=3, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 2
ifnull 5
1: aload 0
aload 2
invokevirtual java.security.SignatureSpi.engineSetParameter:(Ljava/security/spec/AlgorithmParameterSpec;)V
2: goto 5
StackMap locals:
StackMap stack: java.lang.UnsupportedOperationException
3: astore 4
start local 4 4: new java.security.InvalidAlgorithmParameterException
dup
aload 4
invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/Throwable;)V
athrow
end local 4 5: StackMap locals:
StackMap stack:
aload 0
aload 1
aload 3
invokevirtual java.security.SignatureSpi.engineInitSign:(Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
6: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/security/SignatureSpi;
0 7 1 privateKey Ljava/security/PrivateKey;
0 7 2 params Ljava/security/spec/AlgorithmParameterSpec;
0 7 3 random Ljava/security/SecureRandom;
4 5 4 usoe Ljava/lang/UnsupportedOperationException;
Exception table:
from to target type
1 2 3 Class java.lang.UnsupportedOperationException
Exceptions:
throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
MethodParameters:
Name Flags
privateKey
params
random
protected abstract void engineUpdate(byte);
descriptor: (B)V
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
b
protected abstract void engineUpdate(byte[], int, int);
descriptor: ([BII)V
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
b
off
len
protected void engineUpdate(java.nio.ByteBuffer);
descriptor: (Ljava/nio/ByteBuffer;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=5, locals=6, args_size=2
start local 0 start local 1 0: aload 1
invokevirtual java.nio.ByteBuffer.hasRemaining:()Z
ifne 2
1: return
2: StackMap locals:
StackMap stack:
aload 1
invokevirtual java.nio.ByteBuffer.hasArray:()Z
ifeq 10
3: aload 1
invokevirtual java.nio.ByteBuffer.array:()[B
astore 2
start local 2 4: aload 1
invokevirtual java.nio.ByteBuffer.arrayOffset:()I
istore 3
start local 3 5: aload 1
invokevirtual java.nio.ByteBuffer.position:()I
istore 4
start local 4 6: aload 1
invokevirtual java.nio.ByteBuffer.limit:()I
istore 5
start local 5 7: aload 0
aload 2
iload 3
iload 4
iadd
iload 5
iload 4
isub
invokevirtual java.security.SignatureSpi.engineUpdate:([BII)V
8: aload 1
iload 5
invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/ByteBuffer;
pop
end local 5 end local 4 end local 3 end local 2 9: goto 21
10: StackMap locals:
StackMap stack:
aload 1
invokevirtual java.nio.ByteBuffer.remaining:()I
istore 2
start local 2 11: iload 2
invokestatic sun.security.jca.JCAUtil.getTempArraySize:(I)I
newarray 8
astore 3
start local 3 12: goto 17
13: StackMap locals: int byte[]
StackMap stack:
iload 2
aload 3
arraylength
invokestatic java.lang.Math.min:(II)I
istore 4
start local 4 14: aload 1
aload 3
iconst_0
iload 4
invokevirtual java.nio.ByteBuffer.get:([BII)Ljava/nio/ByteBuffer;
pop
15: aload 0
aload 3
iconst_0
iload 4
invokevirtual java.security.SignatureSpi.engineUpdate:([BII)V
16: iload 2
iload 4
isub
istore 2
end local 4 17: StackMap locals:
StackMap stack:
iload 2
ifgt 13
end local 3 end local 2 18: goto 21
StackMap locals: java.security.SignatureSpi java.nio.ByteBuffer
StackMap stack: java.security.SignatureException
19: astore 2
start local 2 20: new java.security.ProviderException
dup
ldc "update() failed"
aload 2
invokespecial java.security.ProviderException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 2 21: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 22 0 this Ljava/security/SignatureSpi;
0 22 1 input Ljava/nio/ByteBuffer;
4 9 2 b [B
5 9 3 ofs I
6 9 4 pos I
7 9 5 lim I
11 18 2 len I
12 18 3 b [B
14 17 4 chunk I
20 21 2 e Ljava/security/SignatureException;
Exception table:
from to target type
2 18 19 Class java.security.SignatureException
MethodParameters:
Name Flags
input
protected abstract byte[] engineSign();
descriptor: ()[B
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.SignatureException
protected int engineSign(byte[], int, int);
descriptor: ([BII)I
flags: (0x0004) ACC_PROTECTED
Code:
stack=5, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokevirtual java.security.SignatureSpi.engineSign:()[B
astore 4
start local 4 1: iload 3
aload 4
arraylength
if_icmpge 5
2: new java.security.SignatureException
dup
3: ldc "partial signatures not returned"
4: invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
athrow
5: StackMap locals: byte[]
StackMap stack:
aload 1
arraylength
iload 2
isub
aload 4
arraylength
if_icmpge 9
6: new java.security.SignatureException
dup
7: ldc "insufficient space in the output buffer to store the signature"
8: invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
athrow
9: StackMap locals:
StackMap stack:
aload 4
iconst_0
aload 1
iload 2
aload 4
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
10: aload 4
arraylength
ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Ljava/security/SignatureSpi;
0 11 1 outbuf [B
0 11 2 offset I
0 11 3 len I
1 11 4 sig [B
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
outbuf
offset
len
protected abstract boolean engineVerify(byte[]);
descriptor: ([B)Z
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
sigBytes
protected boolean engineVerify(byte[], int, int);
descriptor: ([BII)Z
flags: (0x0004) ACC_PROTECTED
Code:
stack=5, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 3 0: iload 3
newarray 8
astore 4
start local 4 1: aload 1
iload 2
aload 4
iconst_0
iload 3
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
2: aload 0
aload 4
invokevirtual java.security.SignatureSpi.engineVerify:([B)Z
ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/SignatureSpi;
0 3 1 sigBytes [B
0 3 2 offset I
0 3 3 length I
1 3 4 sigBytesCopy [B
Exceptions:
throws java.security.SignatureException
MethodParameters:
Name Flags
sigBytes
offset
length
protected abstract void engineSetParameter(java.lang.String, java.lang.Object);
descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.InvalidParameterException
RuntimeVisibleAnnotations:
java.lang.Deprecated()
MethodParameters:
Name Flags
param
value
protected void engineSetParameter(java.security.spec.AlgorithmParameterSpec);
descriptor: (Ljava/security/spec/AlgorithmParameterSpec;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: new java.lang.UnsupportedOperationException
dup
invokespecial java.lang.UnsupportedOperationException.<init>:()V
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/SignatureSpi;
0 1 1 params Ljava/security/spec/AlgorithmParameterSpec;
Exceptions:
throws java.security.InvalidAlgorithmParameterException
MethodParameters:
Name Flags
params
protected java.security.AlgorithmParameters engineGetParameters();
descriptor: ()Ljava/security/AlgorithmParameters;
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=1, args_size=1
start local 0 0: new java.lang.UnsupportedOperationException
dup
invokespecial java.lang.UnsupportedOperationException.<init>:()V
athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/SignatureSpi;
protected abstract java.lang.Object engineGetParameter(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/Object;
flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
Exceptions:
throws java.security.InvalidParameterException
RuntimeVisibleAnnotations:
java.lang.Deprecated()
MethodParameters:
Name Flags
param
public java.lang.Object clone();
descriptor: ()Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
instanceof java.lang.Cloneable
ifeq 2
1: aload 0
invokespecial java.lang.Object.clone:()Ljava/lang/Object;
areturn
2: StackMap locals:
StackMap stack:
new java.lang.CloneNotSupportedException
dup
invokespecial java.lang.CloneNotSupportedException.<init>:()V
athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/SignatureSpi;
Exceptions:
throws java.lang.CloneNotSupportedException
}
SourceFile: "SignatureSpi.java"