http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
public final class org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters extends org.bouncycastle.crypto.params.AsymmetricKeyParameter
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters
  super_class: org.bouncycastle.crypto.params.AsymmetricKeyParameter
{
  public static final int KEY_SIZE;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 32

  public static final int SIGNATURE_SIZE;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 64

  private final byte[] data;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
        start local 1 // java.security.SecureRandom random
         0: .line 22
            aload 0 /* this */
            iconst_1
            invokespecial org.bouncycastle.crypto.params.AsymmetricKeyParameter.<init>:(Z)V
         1: .line 18
            aload 0 /* this */
            bipush 32
            newarray 8
            putfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
         2: .line 24
            aload 1 /* random */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            invokestatic org.bouncycastle.math.ec.rfc8032.Ed25519.generatePrivateKey:(Ljava/security/SecureRandom;[B)V
         3: .line 25
            return
        end local 1 // java.security.SecureRandom random
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;
            0    4     1  random  Ljava/security/SecureRandom;
    MethodParameters:
        Name  Flags
      random  

  public void <init>(byte[], int);
    descriptor: ([BI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
        start local 1 // byte[] buf
        start local 2 // int off
         0: .line 29
            aload 0 /* this */
            iconst_1
            invokespecial org.bouncycastle.crypto.params.AsymmetricKeyParameter.<init>:(Z)V
         1: .line 18
            aload 0 /* this */
            bipush 32
            newarray 8
            putfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
         2: .line 31
            aload 1 /* buf */
            iload 2 /* off */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            bipush 32
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         3: .line 32
            return
        end local 2 // int off
        end local 1 // byte[] buf
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;
            0    4     1   buf  [B
            0    4     2   off  I
    MethodParameters:
      Name  Flags
      buf   
      off   

  public void <init>(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
        start local 1 // java.io.InputStream input
         0: .line 36
            aload 0 /* this */
            iconst_1
            invokespecial org.bouncycastle.crypto.params.AsymmetricKeyParameter.<init>:(Z)V
         1: .line 18
            aload 0 /* this */
            bipush 32
            newarray 8
            putfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
         2: .line 38
            bipush 32
            aload 1 /* input */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            invokestatic org.bouncycastle.util.io.Streams.readFully:(Ljava/io/InputStream;[B)I
            if_icmpeq 4
         3: .line 40
            new java.io.EOFException
            dup
            ldc "EOF encountered in middle of Ed25519 private key"
            invokespecial java.io.EOFException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 42
      StackMap locals: org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters java.io.InputStream
      StackMap stack:
            return
        end local 1 // java.io.InputStream input
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;
            0    5     1  input  Ljava/io/InputStream;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      input  

  public void encode(byte[], int);
    descriptor: ([BI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
        start local 1 // byte[] buf
        start local 2 // int off
         0: .line 46
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            aload 1 /* buf */
            iload 2 /* off */
            bipush 32
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         1: .line 47
            return
        end local 2 // int off
        end local 1 // byte[] buf
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;
            0    2     1   buf  [B
            0    2     2   off  I
    MethodParameters:
      Name  Flags
      buf   
      off   

  public byte[] getEncoded();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
         0: .line 51
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            areturn
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;

  public org.bouncycastle.crypto.params.Ed25519PublicKeyParameters generatePublicKey();
    descriptor: ()Lorg/bouncycastle/crypto/params/Ed25519PublicKeyParameters;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
         0: .line 56
            bipush 32
            newarray 8
            astore 1 /* publicKey */
        start local 1 // byte[] publicKey
         1: .line 57
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            aload 1 /* publicKey */
            iconst_0
            invokestatic org.bouncycastle.math.ec.rfc8032.Ed25519.generatePublicKey:([BI[BI)V
         2: .line 58
            new org.bouncycastle.crypto.params.Ed25519PublicKeyParameters
            dup
            aload 1 /* publicKey */
            iconst_0
            invokespecial org.bouncycastle.crypto.params.Ed25519PublicKeyParameters.<init>:([BI)V
            areturn
        end local 1 // byte[] publicKey
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;
            1    3     1  publicKey  [B

  public void sign(int, org.bouncycastle.crypto.params.Ed25519PublicKeyParameters, byte[], byte[], int, int, byte[], int);
    descriptor: (ILorg/bouncycastle/crypto/params/Ed25519PublicKeyParameters;[B[BII[BI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=10, locals=10, args_size=9
        start local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
        start local 1 // int algorithm
        start local 2 // org.bouncycastle.crypto.params.Ed25519PublicKeyParameters publicKey
        start local 3 // byte[] ctx
        start local 4 // byte[] msg
        start local 5 // int msgOff
        start local 6 // int msgLen
        start local 7 // byte[] sig
        start local 8 // int sigOff
         0: .line 63
            bipush 32
            newarray 8
            astore 9 /* pk */
        start local 9 // byte[] pk
         1: .line 64
            aload 2 /* publicKey */
            ifnonnull 4
         2: .line 66
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            aload 9 /* pk */
            iconst_0
            invokestatic org.bouncycastle.math.ec.rfc8032.Ed25519.generatePublicKey:([BI[BI)V
         3: .line 67
            goto 5
         4: .line 70
      StackMap locals: byte[]
      StackMap stack:
            aload 2 /* publicKey */
            aload 9 /* pk */
            iconst_0
            invokevirtual org.bouncycastle.crypto.params.Ed25519PublicKeyParameters.encode:([BI)V
         5: .line 73
      StackMap locals:
      StackMap stack:
            iload 1 /* algorithm */
            tableswitch { // 0 - 2
                    0: 6
                    1: 10
                    2: 12
              default: 16
          }
         6: .line 77
      StackMap locals:
      StackMap stack:
            aload 3 /* ctx */
            ifnull 8
         7: .line 79
            new java.lang.IllegalArgumentException
            dup
            ldc "ctx"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 82
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            aload 9 /* pk */
            iconst_0
            aload 4 /* msg */
            iload 5 /* msgOff */
            iload 6 /* msgLen */
            aload 7 /* sig */
            iload 8 /* sigOff */
            invokestatic org.bouncycastle.math.ec.rfc8032.Ed25519.sign:([BI[BI[BII[BI)V
         9: .line 83
            goto 17
        10: .line 87
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            aload 9 /* pk */
            iconst_0
            aload 3 /* ctx */
            aload 4 /* msg */
            iload 5 /* msgOff */
            iload 6 /* msgLen */
            aload 7 /* sig */
            iload 8 /* sigOff */
            invokestatic org.bouncycastle.math.ec.rfc8032.Ed25519.sign:([BI[BI[B[BII[BI)V
        11: .line 88
            goto 17
        12: .line 92
      StackMap locals:
      StackMap stack:
            bipush 64
            iload 6 /* msgLen */
            if_icmpeq 14
        13: .line 94
            new java.lang.IllegalArgumentException
            dup
            ldc "msgLen"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        14: .line 97
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters.data:[B
            iconst_0
            aload 9 /* pk */
            iconst_0
            aload 3 /* ctx */
            aload 4 /* msg */
            iload 5 /* msgOff */
            aload 7 /* sig */
            iload 8 /* sigOff */
            invokestatic org.bouncycastle.math.ec.rfc8032.Ed25519.signPrehash:([BI[BI[B[BI[BI)V
        15: .line 98
            goto 17
        16: .line 102
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "algorithm"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        17: .line 105
      StackMap locals:
      StackMap stack:
            return
        end local 9 // byte[] pk
        end local 8 // int sigOff
        end local 7 // byte[] sig
        end local 6 // int msgLen
        end local 5 // int msgOff
        end local 4 // byte[] msg
        end local 3 // byte[] ctx
        end local 2 // org.bouncycastle.crypto.params.Ed25519PublicKeyParameters publicKey
        end local 1 // int algorithm
        end local 0 // org.bouncycastle.crypto.params.Ed25519PrivateKeyParameters this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   18     0       this  Lorg/bouncycastle/crypto/params/Ed25519PrivateKeyParameters;
            0   18     1  algorithm  I
            0   18     2  publicKey  Lorg/bouncycastle/crypto/params/Ed25519PublicKeyParameters;
            0   18     3        ctx  [B
            0   18     4        msg  [B
            0   18     5     msgOff  I
            0   18     6     msgLen  I
            0   18     7        sig  [B
            0   18     8     sigOff  I
            1   18     9         pk  [B
    MethodParameters:
           Name  Flags
      algorithm  
      publicKey  
      ctx        
      msg        
      msgOff     
      msgLen     
      sig        
      sigOff     
}
SourceFile: "Ed25519PrivateKeyParameters.java"