public class org.bouncycastle.crypto.generators.ECKeyPairGenerator implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator, org.bouncycastle.math.ec.ECConstants
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.bouncycastle.crypto.generators.ECKeyPairGenerator
super_class: java.lang.Object
{
org.bouncycastle.crypto.params.ECDomainParameters params;
descriptor: Lorg/bouncycastle/crypto/params/ECDomainParameters;
flags: (0x0000)
java.security.SecureRandom random;
descriptor: Ljava/security/SecureRandom;
flags: (0x0000)
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 // org.bouncycastle.crypto.generators.ECKeyPairGenerator this
0: .line 16
aload 0 /* this */
invokespecial java.lang.Object.<init>:()V
return
end local 0 // org.bouncycastle.crypto.generators.ECKeyPairGenerator this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/generators/ECKeyPairGenerator;
public void init(org.bouncycastle.crypto.KeyGenerationParameters);
descriptor: (Lorg/bouncycastle/crypto/KeyGenerationParameters;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 // org.bouncycastle.crypto.generators.ECKeyPairGenerator this
start local 1 // org.bouncycastle.crypto.KeyGenerationParameters param
0: .line 25
aload 1 /* param */
checkcast org.bouncycastle.crypto.params.ECKeyGenerationParameters
astore 2 /* ecP */
start local 2 // org.bouncycastle.crypto.params.ECKeyGenerationParameters ecP
1: .line 27
aload 0 /* this */
aload 2 /* ecP */
invokevirtual org.bouncycastle.crypto.params.ECKeyGenerationParameters.getRandom:()Ljava/security/SecureRandom;
putfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
2: .line 28
aload 0 /* this */
aload 2 /* ecP */
invokevirtual org.bouncycastle.crypto.params.ECKeyGenerationParameters.getDomainParameters:()Lorg/bouncycastle/crypto/params/ECDomainParameters;
putfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.params:Lorg/bouncycastle/crypto/params/ECDomainParameters;
3: .line 29
return
end local 2 // org.bouncycastle.crypto.params.ECKeyGenerationParameters ecP
end local 1 // org.bouncycastle.crypto.KeyGenerationParameters param
end local 0 // org.bouncycastle.crypto.generators.ECKeyPairGenerator this
LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/bouncycastle/crypto/generators/ECKeyPairGenerator;
0 4 1 param Lorg/bouncycastle/crypto/KeyGenerationParameters;
1 4 2 ecP Lorg/bouncycastle/crypto/params/ECKeyGenerationParameters;
MethodParameters:
Name Flags
param
public org.bouncycastle.crypto.AsymmetricCipherKeyPair generateKeyPair();
descriptor: ()Lorg/bouncycastle/crypto/AsymmetricCipherKeyPair;
flags: (0x0001) ACC_PUBLIC
Code:
stack=7, locals=5, args_size=1
start local 0 // org.bouncycastle.crypto.generators.ECKeyPairGenerator this
0: .line 37
aload 0 /* this */
getfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.params:Lorg/bouncycastle/crypto/params/ECDomainParameters;
invokevirtual org.bouncycastle.crypto.params.ECDomainParameters.getN:()Ljava/math/BigInteger;
astore 1 /* n */
start local 1 // java.math.BigInteger n
1: .line 38
aload 1 /* n */
invokevirtual java.math.BigInteger.bitLength:()I
istore 2 /* nBitLength */
start local 2 // int nBitLength
2: .line 43
StackMap locals: java.math.BigInteger int
StackMap stack:
new java.math.BigInteger
dup
iload 2 /* nBitLength */
aload 0 /* this */
getfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
invokespecial java.math.BigInteger.<init>:(ILjava/util/Random;)V
astore 3 /* d */
start local 3 // java.math.BigInteger d
3: .line 45
aload 3 /* d */
getstatic org.bouncycastle.crypto.generators.ECKeyPairGenerator.ZERO:Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
ifne 2
aload 3 /* d */
aload 1 /* n */
invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
4: .line 41
ifge 2
5: .line 47
aload 0 /* this */
getfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.params:Lorg/bouncycastle/crypto/params/ECDomainParameters;
invokevirtual org.bouncycastle.crypto.params.ECDomainParameters.getG:()Lorg/bouncycastle/math/ec/ECPoint;
aload 3 /* d */
invokevirtual org.bouncycastle.math.ec.ECPoint.multiply:(Ljava/math/BigInteger;)Lorg/bouncycastle/math/ec/ECPoint;
astore 4 /* Q */
start local 4 // org.bouncycastle.math.ec.ECPoint Q
6: .line 49
new org.bouncycastle.crypto.AsymmetricCipherKeyPair
dup
7: .line 50
new org.bouncycastle.crypto.params.ECPublicKeyParameters
dup
aload 4 /* Q */
aload 0 /* this */
getfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.params:Lorg/bouncycastle/crypto/params/ECDomainParameters;
invokespecial org.bouncycastle.crypto.params.ECPublicKeyParameters.<init>:(Lorg/bouncycastle/math/ec/ECPoint;Lorg/bouncycastle/crypto/params/ECDomainParameters;)V
8: .line 51
new org.bouncycastle.crypto.params.ECPrivateKeyParameters
dup
aload 3 /* d */
aload 0 /* this */
getfield org.bouncycastle.crypto.generators.ECKeyPairGenerator.params:Lorg/bouncycastle/crypto/params/ECDomainParameters;
invokespecial org.bouncycastle.crypto.params.ECPrivateKeyParameters.<init>:(Ljava/math/BigInteger;Lorg/bouncycastle/crypto/params/ECDomainParameters;)V
9: .line 49
invokespecial org.bouncycastle.crypto.AsymmetricCipherKeyPair.<init>:(Lorg/bouncycastle/crypto/CipherParameters;Lorg/bouncycastle/crypto/CipherParameters;)V
areturn
end local 4 // org.bouncycastle.math.ec.ECPoint Q
end local 3 // java.math.BigInteger d
end local 2 // int nBitLength
end local 1 // java.math.BigInteger n
end local 0 // org.bouncycastle.crypto.generators.ECKeyPairGenerator this
LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Lorg/bouncycastle/crypto/generators/ECKeyPairGenerator;
1 10 1 n Ljava/math/BigInteger;
2 10 2 nBitLength I
3 10 3 d Ljava/math/BigInteger;
6 10 4 Q Lorg/bouncycastle/math/ec/ECPoint;
}
SourceFile: "ECKeyPairGenerator.java"