http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.operator.jcajce.JcaContentSignerBuilder
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.operator.jcajce.JcaContentSignerBuilder
  super_class: java.lang.Object
{
  private org.bouncycastle.operator.jcajce.OperatorHelper helper;
    descriptor: Lorg/bouncycastle/operator/jcajce/OperatorHelper;
    flags: (0x0002) ACC_PRIVATE

  private java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String signatureAlgorithm;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId;
    descriptor: Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0002) ACC_PRIVATE

  private java.security.spec.AlgorithmParameterSpec sigAlgSpec;
    descriptor: Ljava/security/spec/AlgorithmParameterSpec;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
        start local 1 // java.lang.String signatureAlgorithm
         0: .line 37
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 31
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            dup
            new org.bouncycastle.jcajce.util.DefaultJcaJceHelper
            dup
            invokespecial org.bouncycastle.jcajce.util.DefaultJcaJceHelper.<init>:()V
            invokespecial org.bouncycastle.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         2: .line 39
            aload 0 /* this */
            aload 1 /* signatureAlgorithm */
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.signatureAlgorithm:Ljava/lang/String;
         3: .line 40
            aload 0 /* this */
            new org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder
            dup
            invokespecial org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder.<init>:()V
            aload 1 /* signatureAlgorithm */
            invokevirtual org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder.find:(Ljava/lang/String;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.sigAlgId:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
         4: .line 41
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.sigAlgSpec:Ljava/security/spec/AlgorithmParameterSpec;
         5: .line 42
            return
        end local 1 // java.lang.String signatureAlgorithm
        end local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    6     0                this  Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
            0    6     1  signatureAlgorithm  Ljava/lang/String;
    MethodParameters:
                    Name  Flags
      signatureAlgorithm  

  public void <init>(java.lang.String, java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
        start local 1 // java.lang.String signatureAlgorithm
        start local 2 // java.security.spec.AlgorithmParameterSpec sigParamSpec
         0: .line 44
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 31
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            dup
            new org.bouncycastle.jcajce.util.DefaultJcaJceHelper
            dup
            invokespecial org.bouncycastle.jcajce.util.DefaultJcaJceHelper.<init>:()V
            invokespecial org.bouncycastle.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         2: .line 46
            aload 0 /* this */
            aload 1 /* signatureAlgorithm */
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.signatureAlgorithm:Ljava/lang/String;
         3: .line 48
            aload 2 /* sigParamSpec */
            instanceof java.security.spec.PSSParameterSpec
            ifeq 10
         4: .line 50
            aload 2 /* sigParamSpec */
            checkcast java.security.spec.PSSParameterSpec
            astore 3 /* pssSpec */
        start local 3 // java.security.spec.PSSParameterSpec pssSpec
         5: .line 52
            aload 0 /* this */
            aload 3 /* pssSpec */
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.sigAlgSpec:Ljava/security/spec/AlgorithmParameterSpec;
         6: .line 53
            aload 0 /* this */
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
         7: .line 54
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_RSASSA_PSS:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            aload 3 /* pssSpec */
            invokestatic org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.createPSSParams:(Ljava/security/spec/PSSParameterSpec;)Lorg/bouncycastle/asn1/pkcs/RSASSAPSSparams;
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
         8: .line 53
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.sigAlgId:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
        end local 3 // java.security.spec.PSSParameterSpec pssSpec
         9: .line 55
            goto 15
        10: .line 58
      StackMap locals: org.bouncycastle.operator.jcajce.JcaContentSignerBuilder java.lang.String java.security.spec.AlgorithmParameterSpec
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unknown sigParamSpec: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        11: .line 59
            aload 2 /* sigParamSpec */
            ifnonnull 12
            ldc "null"
            goto 13
      StackMap locals: org.bouncycastle.operator.jcajce.JcaContentSignerBuilder java.lang.String java.security.spec.AlgorithmParameterSpec
      StackMap stack: new 10 new 10 java.lang.StringBuilder
        12: aload 2 /* sigParamSpec */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
      StackMap locals: org.bouncycastle.operator.jcajce.JcaContentSignerBuilder java.lang.String java.security.spec.AlgorithmParameterSpec
      StackMap stack: new 10 new 10 java.lang.StringBuilder java.lang.String
        13: invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        14: .line 58
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        15: .line 61
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.security.spec.AlgorithmParameterSpec sigParamSpec
        end local 1 // java.lang.String signatureAlgorithm
        end local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   16     0                this  Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
            0   16     1  signatureAlgorithm  Ljava/lang/String;
            0   16     2        sigParamSpec  Ljava/security/spec/AlgorithmParameterSpec;
            5    9     3             pssSpec  Ljava/security/spec/PSSParameterSpec;
    MethodParameters:
                    Name  Flags
      signatureAlgorithm  
      sigParamSpec        

  public org.bouncycastle.operator.jcajce.JcaContentSignerBuilder setProvider(java.security.Provider);
    descriptor: (Ljava/security/Provider;)Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
        start local 1 // java.security.Provider provider
         0: .line 65
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            dup
            new org.bouncycastle.jcajce.util.ProviderJcaJceHelper
            dup
            aload 1 /* provider */
            invokespecial org.bouncycastle.jcajce.util.ProviderJcaJceHelper.<init>:(Ljava/security/Provider;)V
            invokespecial org.bouncycastle.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         1: .line 67
            aload 0 /* this */
            areturn
        end local 1 // java.security.Provider provider
        end local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
            0    2     1  provider  Ljava/security/Provider;
    MethodParameters:
          Name  Flags
      provider  

  public org.bouncycastle.operator.jcajce.JcaContentSignerBuilder setProvider(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
        start local 1 // java.lang.String providerName
         0: .line 72
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            dup
            new org.bouncycastle.jcajce.util.NamedJcaJceHelper
            dup
            aload 1 /* providerName */
            invokespecial org.bouncycastle.jcajce.util.NamedJcaJceHelper.<init>:(Ljava/lang/String;)V
            invokespecial org.bouncycastle.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         1: .line 74
            aload 0 /* this */
            areturn
        end local 1 // java.lang.String providerName
        end local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
            0    2     1  providerName  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      providerName  

  public org.bouncycastle.operator.jcajce.JcaContentSignerBuilder setSecureRandom(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
        start local 1 // java.security.SecureRandom random
         0: .line 79
            aload 0 /* this */
            aload 1 /* random */
            putfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.random:Ljava/security/SecureRandom;
         1: .line 81
            aload 0 /* this */
            areturn
        end local 1 // java.security.SecureRandom random
        end local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
            0    2     1  random  Ljava/security/SecureRandom;
    MethodParameters:
        Name  Flags
      random  

  public org.bouncycastle.operator.ContentSigner build(java.security.PrivateKey);
    descriptor: (Ljava/security/PrivateKey;)Lorg/bouncycastle/operator/ContentSigner;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
        start local 1 // java.security.PrivateKey privateKey
         0: .line 89
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.sigAlgId:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.operator.jcajce.OperatorHelper.createSignature:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljava/security/Signature;
            astore 2 /* sig */
        start local 2 // java.security.Signature sig
         1: .line 90
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.sigAlgId:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            astore 3 /* signatureAlgId */
        start local 3 // org.bouncycastle.asn1.x509.AlgorithmIdentifier signatureAlgId
         2: .line 92
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.random:Ljava/security/SecureRandom;
            ifnull 5
         3: .line 94
            aload 2 /* sig */
            aload 1 /* privateKey */
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaContentSignerBuilder.random:Ljava/security/SecureRandom;
            invokevirtual java.security.Signature.initSign:(Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
         4: .line 95
            goto 6
         5: .line 98
      StackMap locals: java.security.Signature org.bouncycastle.asn1.x509.AlgorithmIdentifier
      StackMap stack:
            aload 2 /* sig */
            aload 1 /* privateKey */
            invokevirtual java.security.Signature.initSign:(Ljava/security/PrivateKey;)V
         6: .line 101
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.operator.jcajce.JcaContentSignerBuilder$1
            dup
            aload 0 /* this */
            aload 2 /* sig */
            aload 3 /* signatureAlgId */
            invokespecial org.bouncycastle.operator.jcajce.JcaContentSignerBuilder$1.<init>:(Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;Ljava/security/Signature;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)V
         7: areturn
        end local 3 // org.bouncycastle.asn1.x509.AlgorithmIdentifier signatureAlgId
        end local 2 // java.security.Signature sig
         8: .line 128
      StackMap locals: org.bouncycastle.operator.jcajce.JcaContentSignerBuilder java.security.PrivateKey
      StackMap stack: java.security.GeneralSecurityException
            astore 2 /* e */
        start local 2 // java.security.GeneralSecurityException e
         9: .line 130
            new org.bouncycastle.operator.OperatorCreationException
            dup
            new java.lang.StringBuilder
            dup
            ldc "cannot create signer: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* e */
            invokevirtual java.security.GeneralSecurityException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokespecial org.bouncycastle.operator.OperatorCreationException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.security.GeneralSecurityException e
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // org.bouncycastle.operator.jcajce.JcaContentSignerBuilder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   10     0            this  Lorg/bouncycastle/operator/jcajce/JcaContentSignerBuilder;
            0   10     1      privateKey  Ljava/security/PrivateKey;
            1    8     2             sig  Ljava/security/Signature;
            2    8     3  signatureAlgId  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            9   10     2               e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           0     7       8  Class java.security.GeneralSecurityException
    Exceptions:
      throws org.bouncycastle.operator.OperatorCreationException
    MethodParameters:
            Name  Flags
      privateKey  

  private static org.bouncycastle.asn1.pkcs.RSASSAPSSparams createPSSParams(java.security.spec.PSSParameterSpec);
    descriptor: (Ljava/security/spec/PSSParameterSpec;)Lorg/bouncycastle/asn1/pkcs/RSASSAPSSparams;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=9, locals=4, args_size=1
        start local 0 // java.security.spec.PSSParameterSpec pssSpec
         0: .line 136
            new org.bouncycastle.operator.DefaultDigestAlgorithmIdentifierFinder
            dup
            invokespecial org.bouncycastle.operator.DefaultDigestAlgorithmIdentifierFinder.<init>:()V
            astore 1 /* digFinder */
        start local 1 // org.bouncycastle.operator.DigestAlgorithmIdentifierFinder digFinder
         1: .line 137
            aload 1 /* digFinder */
            aload 0 /* pssSpec */
            invokevirtual java.security.spec.PSSParameterSpec.getDigestAlgorithm:()Ljava/lang/String;
            invokeinterface org.bouncycastle.operator.DigestAlgorithmIdentifierFinder.find:(Ljava/lang/String;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            astore 2 /* digId */
        start local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier digId
         2: .line 138
            aload 1 /* digFinder */
            aload 0 /* pssSpec */
            invokevirtual java.security.spec.PSSParameterSpec.getMGFParameters:()Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.MGF1ParameterSpec
            invokevirtual java.security.spec.MGF1ParameterSpec.getDigestAlgorithm:()Ljava/lang/String;
            invokeinterface org.bouncycastle.operator.DigestAlgorithmIdentifierFinder.find:(Ljava/lang/String;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            astore 3 /* mgfDig */
        start local 3 // org.bouncycastle.asn1.x509.AlgorithmIdentifier mgfDig
         3: .line 140
            new org.bouncycastle.asn1.pkcs.RSASSAPSSparams
            dup
         4: .line 141
            aload 2 /* digId */
         5: .line 142
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_mgf1:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            aload 3 /* mgfDig */
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
         6: .line 143
            new org.bouncycastle.asn1.ASN1Integer
            dup
            aload 0 /* pssSpec */
            invokevirtual java.security.spec.PSSParameterSpec.getSaltLength:()I
            i2l
            invokespecial org.bouncycastle.asn1.ASN1Integer.<init>:(J)V
         7: .line 144
            new org.bouncycastle.asn1.ASN1Integer
            dup
            aload 0 /* pssSpec */
            invokevirtual java.security.spec.PSSParameterSpec.getTrailerField:()I
            i2l
            invokespecial org.bouncycastle.asn1.ASN1Integer.<init>:(J)V
         8: .line 140
            invokespecial org.bouncycastle.asn1.pkcs.RSASSAPSSparams.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/ASN1Integer;Lorg/bouncycastle/asn1/ASN1Integer;)V
            areturn
        end local 3 // org.bouncycastle.asn1.x509.AlgorithmIdentifier mgfDig
        end local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier digId
        end local 1 // org.bouncycastle.operator.DigestAlgorithmIdentifierFinder digFinder
        end local 0 // java.security.spec.PSSParameterSpec pssSpec
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0    pssSpec  Ljava/security/spec/PSSParameterSpec;
            1    9     1  digFinder  Lorg/bouncycastle/operator/DigestAlgorithmIdentifierFinder;
            2    9     2      digId  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            3    9     3     mgfDig  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    MethodParameters:
         Name  Flags
      pssSpec  
}
SourceFile: "JcaContentSignerBuilder.java"
NestMembers:
  org.bouncycastle.operator.jcajce.JcaContentSignerBuilder$1
InnerClasses:
  org.bouncycastle.operator.jcajce.JcaContentSignerBuilder$1