public class org.bouncycastle.crypto.signers.GOST3410Signer implements org.bouncycastle.crypto.DSA
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.bouncycastle.crypto.signers.GOST3410Signer
super_class: java.lang.Object
{
org.bouncycastle.crypto.params.GOST3410KeyParameters key;
descriptor: Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
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 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/bouncycastle/crypto/signers/GOST3410Signer;
public void init(boolean, org.bouncycastle.crypto.CipherParameters);
descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=4, args_size=3
start local 0 start local 1 start local 2 0: iload 1
ifeq 9
1: aload 2
instanceof org.bouncycastle.crypto.params.ParametersWithRandom
ifeq 6
2: aload 2
checkcast org.bouncycastle.crypto.params.ParametersWithRandom
astore 3
start local 3 3: aload 0
aload 3
invokevirtual org.bouncycastle.crypto.params.ParametersWithRandom.getRandom:()Ljava/security/SecureRandom;
putfield org.bouncycastle.crypto.signers.GOST3410Signer.random:Ljava/security/SecureRandom;
4: aload 0
aload 3
invokevirtual org.bouncycastle.crypto.params.ParametersWithRandom.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
checkcast org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters
putfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
end local 3 5: goto 10
6: StackMap locals:
StackMap stack:
aload 0
new java.security.SecureRandom
dup
invokespecial java.security.SecureRandom.<init>:()V
putfield org.bouncycastle.crypto.signers.GOST3410Signer.random:Ljava/security/SecureRandom;
7: aload 0
aload 2
checkcast org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters
putfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
8: goto 10
9: StackMap locals:
StackMap stack:
aload 0
aload 2
checkcast org.bouncycastle.crypto.params.GOST3410PublicKeyParameters
putfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
10: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lorg/bouncycastle/crypto/signers/GOST3410Signer;
0 11 1 forSigning Z
0 11 2 param Lorg/bouncycastle/crypto/CipherParameters;
3 5 3 rParam Lorg/bouncycastle/crypto/params/ParametersWithRandom;
MethodParameters:
Name Flags
forSigning
param
public java.math.BigInteger[] generateSignature(byte[]);
descriptor: ([B)[Ljava/math/BigInteger;
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=9, args_size=2
start local 0 start local 1 0: aload 1
arraylength
newarray 8
astore 2
start local 2 1: iconst_0
istore 3
start local 3 2: goto 5
3: StackMap locals: byte[] int
StackMap stack:
aload 2
iload 3
aload 1
aload 2
arraylength
iconst_1
isub
iload 3
isub
baload
bastore
4: iinc 3 1
StackMap locals:
StackMap stack:
5: iload 3
aload 2
arraylength
if_icmpne 3
end local 3 6: new java.math.BigInteger
dup
iconst_1
aload 2
invokespecial java.math.BigInteger.<init>:(I[B)V
astore 3
start local 3 7: aload 0
getfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
invokevirtual org.bouncycastle.crypto.params.GOST3410KeyParameters.getParameters:()Lorg/bouncycastle/crypto/params/GOST3410Parameters;
astore 4
start local 4 8: StackMap locals: org.bouncycastle.crypto.signers.GOST3410Signer byte[] byte[] java.math.BigInteger org.bouncycastle.crypto.params.GOST3410Parameters
StackMap stack:
new java.math.BigInteger
dup
aload 4
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.bitLength:()I
aload 0
getfield org.bouncycastle.crypto.signers.GOST3410Signer.random:Ljava/security/SecureRandom;
invokespecial java.math.BigInteger.<init>:(ILjava/util/Random;)V
astore 5
start local 5 9: aload 5
aload 4
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
10: ifge 8
11: aload 4
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getA:()Ljava/math/BigInteger;
aload 5
aload 4
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getP:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 4
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 6
start local 6 12: aload 5
aload 3
invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
13: aload 0
getfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
checkcast org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters
invokevirtual org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters.getX:()Ljava/math/BigInteger;
aload 6
invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.add:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
14: aload 4
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
15: astore 7
start local 7 16: iconst_2
anewarray java.math.BigInteger
astore 8
start local 8 17: aload 8
iconst_0
aload 6
aastore
18: aload 8
iconst_1
aload 7
aastore
19: aload 8
areturn
end local 8 end local 7 end local 6 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 20 0 this Lorg/bouncycastle/crypto/signers/GOST3410Signer;
0 20 1 message [B
1 20 2 mRev [B
2 6 3 i I
7 20 3 m Ljava/math/BigInteger;
8 20 4 params Lorg/bouncycastle/crypto/params/GOST3410Parameters;
9 20 5 k Ljava/math/BigInteger;
12 20 6 r Ljava/math/BigInteger;
16 20 7 s Ljava/math/BigInteger;
17 20 8 res [Ljava/math/BigInteger;
MethodParameters:
Name Flags
message
public boolean verifySignature(byte[], java.math.BigInteger, java.math.BigInteger);
descriptor: ([BLjava/math/BigInteger;Ljava/math/BigInteger;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=12, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 1
arraylength
newarray 8
astore 4
start local 4 1: iconst_0
istore 5
start local 5 2: goto 5
3: StackMap locals: byte[] int
StackMap stack:
aload 4
iload 5
aload 1
aload 4
arraylength
iconst_1
isub
iload 5
isub
baload
bastore
4: iinc 5 1
StackMap locals:
StackMap stack:
5: iload 5
aload 4
arraylength
if_icmpne 3
end local 5 6: new java.math.BigInteger
dup
iconst_1
aload 4
invokespecial java.math.BigInteger.<init>:(I[B)V
astore 5
start local 5 7: aload 0
getfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
invokevirtual org.bouncycastle.crypto.params.GOST3410KeyParameters.getParameters:()Lorg/bouncycastle/crypto/params/GOST3410Parameters;
astore 6
start local 6 8: lconst_0
invokestatic java.math.BigInteger.valueOf:(J)Ljava/math/BigInteger;
astore 7
start local 7 9: aload 7
aload 2
invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
ifge 10
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
aload 2
invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
ifgt 11
10: StackMap locals: org.bouncycastle.crypto.signers.GOST3410Signer byte[] java.math.BigInteger java.math.BigInteger byte[] java.math.BigInteger org.bouncycastle.crypto.params.GOST3410Parameters java.math.BigInteger
StackMap stack:
iconst_0
ireturn
11: StackMap locals:
StackMap stack:
aload 7
aload 3
invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
ifge 12
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
aload 3
invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
ifgt 13
12: StackMap locals:
StackMap stack:
iconst_0
ireturn
13: StackMap locals:
StackMap stack:
aload 5
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
new java.math.BigInteger
dup
ldc "2"
invokespecial java.math.BigInteger.<init>:(Ljava/lang/String;)V
invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 8
start local 8 14: aload 3
aload 8
invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 9
start local 9 15: aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
aload 2
invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 8
invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 10
start local 10 16: aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getA:()Ljava/math/BigInteger;
aload 9
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getP:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 9
17: aload 0
getfield org.bouncycastle.crypto.signers.GOST3410Signer.key:Lorg/bouncycastle/crypto/params/GOST3410KeyParameters;
checkcast org.bouncycastle.crypto.params.GOST3410PublicKeyParameters
invokevirtual org.bouncycastle.crypto.params.GOST3410PublicKeyParameters.getY:()Ljava/math/BigInteger;
aload 10
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getP:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 10
18: aload 9
aload 10
invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getP:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
aload 6
invokevirtual org.bouncycastle.crypto.params.GOST3410Parameters.getQ:()Ljava/math/BigInteger;
invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
astore 11
start local 11 19: aload 11
aload 2
invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
ireturn
end local 11 end local 10 end local 9 end local 8 end local 7 end local 6 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 20 0 this Lorg/bouncycastle/crypto/signers/GOST3410Signer;
0 20 1 message [B
0 20 2 r Ljava/math/BigInteger;
0 20 3 s Ljava/math/BigInteger;
1 20 4 mRev [B
2 6 5 i I
7 20 5 m Ljava/math/BigInteger;
8 20 6 params Lorg/bouncycastle/crypto/params/GOST3410Parameters;
9 20 7 zero Ljava/math/BigInteger;
14 20 8 v Ljava/math/BigInteger;
15 20 9 z1 Ljava/math/BigInteger;
16 20 10 z2 Ljava/math/BigInteger;
19 20 11 u Ljava/math/BigInteger;
MethodParameters:
Name Flags
message
r
s
}
SourceFile: "GOST3410Signer.java"