public class java.security.AlgorithmParameterGenerator
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.security.AlgorithmParameterGenerator
super_class: java.lang.Object
{
private java.security.Provider provider;
descriptor: Ljava/security/Provider;
flags: (0x0002) ACC_PRIVATE
private java.security.AlgorithmParameterGeneratorSpi paramGenSpi;
descriptor: Ljava/security/AlgorithmParameterGeneratorSpi;
flags: (0x0002) ACC_PRIVATE
private java.lang.String algorithm;
descriptor: Ljava/lang/String;
flags: (0x0002) ACC_PRIVATE
protected void <init>(java.security.AlgorithmParameterGeneratorSpi, java.security.Provider, java.lang.String);
descriptor: (Ljava/security/AlgorithmParameterGeneratorSpi;Ljava/security/Provider;Ljava/lang/String;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aload 1
putfield java.security.AlgorithmParameterGenerator.paramGenSpi:Ljava/security/AlgorithmParameterGeneratorSpi;
2: aload 0
aload 2
putfield java.security.AlgorithmParameterGenerator.provider:Ljava/security/Provider;
3: aload 0
aload 3
putfield java.security.AlgorithmParameterGenerator.algorithm:Ljava/lang/String;
4: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/security/AlgorithmParameterGenerator;
0 5 1 paramGenSpi Ljava/security/AlgorithmParameterGeneratorSpi;
0 5 2 provider Ljava/security/Provider;
0 5 3 algorithm Ljava/lang/String;
MethodParameters:
Name Flags
paramGenSpi
provider
algorithm
public final java.lang.String getAlgorithm();
descriptor: ()Ljava/lang/String;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield java.security.AlgorithmParameterGenerator.algorithm:Ljava/lang/String;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/AlgorithmParameterGenerator;
public static java.security.AlgorithmParameterGenerator getInstance(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/security/AlgorithmParameterGenerator;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
ldc "null algorithm name"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: aload 0
2: ldc "AlgorithmParameterGenerator"
3: aconst_null
4: invokestatic java.security.Security.getImpl:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/Object;
astore 1
start local 1 5: new java.security.AlgorithmParameterGenerator
dup
6: aload 1
iconst_0
aaload
checkcast java.security.AlgorithmParameterGeneratorSpi
7: aload 1
iconst_1
aaload
checkcast java.security.Provider
8: aload 0
9: invokespecial java.security.AlgorithmParameterGenerator.<init>:(Ljava/security/AlgorithmParameterGeneratorSpi;Ljava/security/Provider;Ljava/lang/String;)V
10: areturn
end local 1 11: StackMap locals:
StackMap stack: java.security.NoSuchProviderException
pop
12: new java.security.NoSuchAlgorithmException
dup
new java.lang.StringBuilder
dup
aload 0
invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
ldc " not found"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.security.NoSuchAlgorithmException.<init>:(Ljava/lang/String;)V
athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 algorithm Ljava/lang/String;
5 11 1 objs [Ljava/lang/Object;
Exception table:
from to target type
1 10 11 Class java.security.NoSuchProviderException
Exceptions:
throws java.security.NoSuchAlgorithmException
MethodParameters:
Name Flags
algorithm
public static java.security.AlgorithmParameterGenerator getInstance(java.lang.String, java.lang.String);
descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljava/security/AlgorithmParameterGenerator;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=5, locals=3, args_size=2
start local 0 start local 1 0: aload 0
ldc "null algorithm name"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: aload 1
ifnull 2
aload 1
invokevirtual java.lang.String.isEmpty:()Z
ifeq 3
2: StackMap locals:
StackMap stack:
new java.lang.IllegalArgumentException
dup
ldc "missing provider"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
3: StackMap locals:
StackMap stack:
aload 0
4: ldc "AlgorithmParameterGenerator"
5: aload 1
6: invokestatic java.security.Security.getImpl:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/Object;
astore 2
start local 2 7: new java.security.AlgorithmParameterGenerator
dup
8: aload 2
iconst_0
aaload
checkcast java.security.AlgorithmParameterGeneratorSpi
aload 2
iconst_1
aaload
checkcast java.security.Provider
9: aload 0
10: invokespecial java.security.AlgorithmParameterGenerator.<init>:(Ljava/security/AlgorithmParameterGeneratorSpi;Ljava/security/Provider;Ljava/lang/String;)V
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 algorithm Ljava/lang/String;
0 11 1 provider Ljava/lang/String;
7 11 2 objs [Ljava/lang/Object;
Exceptions:
throws java.security.NoSuchAlgorithmException, java.security.NoSuchProviderException
MethodParameters:
Name Flags
algorithm
provider
public static java.security.AlgorithmParameterGenerator getInstance(java.lang.String, java.security.Provider);
descriptor: (Ljava/lang/String;Ljava/security/Provider;)Ljava/security/AlgorithmParameterGenerator;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=5, locals=3, args_size=2
start local 0 start local 1 0: aload 0
ldc "null algorithm name"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: aload 1
ifnonnull 3
2: new java.lang.IllegalArgumentException
dup
ldc "missing provider"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
3: StackMap locals:
StackMap stack:
aload 0
4: ldc "AlgorithmParameterGenerator"
5: aload 1
6: invokestatic java.security.Security.getImpl:(Ljava/lang/String;Ljava/lang/String;Ljava/security/Provider;)[Ljava/lang/Object;
astore 2
start local 2 7: new java.security.AlgorithmParameterGenerator
dup
8: aload 2
iconst_0
aaload
checkcast java.security.AlgorithmParameterGeneratorSpi
aload 2
iconst_1
aaload
checkcast java.security.Provider
9: aload 0
10: invokespecial java.security.AlgorithmParameterGenerator.<init>:(Ljava/security/AlgorithmParameterGeneratorSpi;Ljava/security/Provider;Ljava/lang/String;)V
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 algorithm Ljava/lang/String;
0 11 1 provider Ljava/security/Provider;
7 11 2 objs [Ljava/lang/Object;
Exceptions:
throws java.security.NoSuchAlgorithmException
MethodParameters:
Name Flags
algorithm
provider
public final java.security.Provider getProvider();
descriptor: ()Ljava/security/Provider;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield java.security.AlgorithmParameterGenerator.provider:Ljava/security/Provider;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/AlgorithmParameterGenerator;
public final void init(int);
descriptor: (I)V
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield java.security.AlgorithmParameterGenerator.paramGenSpi:Ljava/security/AlgorithmParameterGeneratorSpi;
iload 1
new java.security.SecureRandom
dup
invokespecial java.security.SecureRandom.<init>:()V
invokevirtual java.security.AlgorithmParameterGeneratorSpi.engineInit:(ILjava/security/SecureRandom;)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/security/AlgorithmParameterGenerator;
0 2 1 size I
MethodParameters:
Name Flags
size
public final void init(int, java.security.SecureRandom);
descriptor: (ILjava/security/SecureRandom;)V
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
getfield java.security.AlgorithmParameterGenerator.paramGenSpi:Ljava/security/AlgorithmParameterGeneratorSpi;
iload 1
aload 2
invokevirtual java.security.AlgorithmParameterGeneratorSpi.engineInit:(ILjava/security/SecureRandom;)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/security/AlgorithmParameterGenerator;
0 2 1 size I
0 2 2 random Ljava/security/SecureRandom;
MethodParameters:
Name Flags
size
random
public final void init(java.security.spec.AlgorithmParameterSpec);
descriptor: (Ljava/security/spec/AlgorithmParameterSpec;)V
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield java.security.AlgorithmParameterGenerator.paramGenSpi:Ljava/security/AlgorithmParameterGeneratorSpi;
aload 1
new java.security.SecureRandom
dup
invokespecial java.security.SecureRandom.<init>:()V
invokevirtual java.security.AlgorithmParameterGeneratorSpi.engineInit:(Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/security/AlgorithmParameterGenerator;
0 2 1 genParamSpec Ljava/security/spec/AlgorithmParameterSpec;
Exceptions:
throws java.security.InvalidAlgorithmParameterException
MethodParameters:
Name Flags
genParamSpec
public final void init(java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom);
descriptor: (Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
getfield java.security.AlgorithmParameterGenerator.paramGenSpi:Ljava/security/AlgorithmParameterGeneratorSpi;
aload 1
aload 2
invokevirtual java.security.AlgorithmParameterGeneratorSpi.engineInit:(Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/security/AlgorithmParameterGenerator;
0 2 1 genParamSpec Ljava/security/spec/AlgorithmParameterSpec;
0 2 2 random Ljava/security/SecureRandom;
Exceptions:
throws java.security.InvalidAlgorithmParameterException
MethodParameters:
Name Flags
genParamSpec
random
public final java.security.AlgorithmParameters generateParameters();
descriptor: ()Ljava/security/AlgorithmParameters;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield java.security.AlgorithmParameterGenerator.paramGenSpi:Ljava/security/AlgorithmParameterGeneratorSpi;
invokevirtual java.security.AlgorithmParameterGeneratorSpi.engineGenerateParameters:()Ljava/security/AlgorithmParameters;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/AlgorithmParameterGenerator;
}
SourceFile: "AlgorithmParameterGenerator.java"