Package org.bouncycastle.jce.provider

## Class JCERSAPrivateCrtKey

- java.lang.Object
- - org.bouncycastle.jce.provider.JCERSAPrivateKey
  - - org.bouncycastle.jce.provider.JCERSAPrivateCrtKey

- All Implemented Interfaces:
    `java.io.Serializable`, `java.security.interfaces.RSAKey`, `java.security.interfaces.RSAPrivateCrtKey`, `java.security.interfaces.RSAPrivateKey`, `java.security.Key`, `java.security.PrivateKey`, `javax.security.auth.Destroyable`, `PKCS12BagAttributeCarrier`

      public class JCERSAPrivateCrtKey
      extends JCERSAPrivateKey
      implements java.security.interfaces.RSAPrivateCrtKey

  A provider representation for a RSA private key, with CRT factors included.
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from class org.bouncycastle.jce.provider.JCERSAPrivateKey

      `modulus, privateExponent`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `equals​(java.lang.Object o)` |
    `java.math.BigInteger` | `getCrtCoefficient()` | return the CRT coefficient.
    `byte[]` | `getEncoded()` | Return a PKCS8 representation of the key.
    `java.lang.String` | `getFormat()` | return the encoding format we produce in getEncoded().
    `java.math.BigInteger` | `getPrimeExponentP()` | return the prime exponent for P.
    `java.math.BigInteger` | `getPrimeExponentQ()` | return the prime exponent for Q.
    `java.math.BigInteger` | `getPrimeP()` | return the prime P.
    `java.math.BigInteger` | `getPrimeQ()` | return the prime Q.
    `java.math.BigInteger` | `getPublicExponent()` | return the public exponent.
    `int` | `hashCode()` |
    `java.lang.String` | `toString()` |

    - ### Methods inherited from class org.bouncycastle.jce.provider.JCERSAPrivateKey

      `getAlgorithm, getBagAttribute, getBagAttributeKeys, getModulus, getPrivateExponent, setBagAttribute`

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface javax.security.auth.Destroyable

      `destroy, isDestroyed`

    - ### Methods inherited from interface java.security.Key

      `getAlgorithm`

    - ### Methods inherited from interface java.security.interfaces.RSAKey

      `getModulus, getParams`

    - ### Methods inherited from interface java.security.interfaces.RSAPrivateKey

      `getPrivateExponent`

- - ### Method Detail

    - #### getFormat

          public java.lang.String getFormat()

      return the encoding format we produce in getEncoded().
      Specified by:
        `getFormat` in interface `java.security.Key`
      Overrides:
        `getFormat` in class `JCERSAPrivateKey`
      Returns:
        the encoding format we produce in getEncoded().

    - #### getEncoded

          public byte[] getEncoded()

      Return a PKCS8 representation of the key. The sequence returned represents a full PrivateKeyInfo object.
      Specified by:
        `getEncoded` in interface `java.security.Key`
      Overrides:
        `getEncoded` in class `JCERSAPrivateKey`
      Returns:
        a PKCS8 representation of the key.

    - #### getPublicExponent

          public java.math.BigInteger getPublicExponent()

      return the public exponent.
      Specified by:
        `getPublicExponent` in interface `java.security.interfaces.RSAPrivateCrtKey`
      Returns:
        the public exponent.

    - #### getPrimeP

          public java.math.BigInteger getPrimeP()

      return the prime P.
      Specified by:
        `getPrimeP` in interface `java.security.interfaces.RSAPrivateCrtKey`
      Returns:
        the prime P.

    - #### getPrimeQ

          public java.math.BigInteger getPrimeQ()

      return the prime Q.
      Specified by:
        `getPrimeQ` in interface `java.security.interfaces.RSAPrivateCrtKey`
      Returns:
        the prime Q.

    - #### getPrimeExponentP

          public java.math.BigInteger getPrimeExponentP()

      return the prime exponent for P.
      Specified by:
        `getPrimeExponentP` in interface `java.security.interfaces.RSAPrivateCrtKey`
      Returns:
        the prime exponent for P.

    - #### getPrimeExponentQ

          public java.math.BigInteger getPrimeExponentQ()

      return the prime exponent for Q.
      Specified by:
        `getPrimeExponentQ` in interface `java.security.interfaces.RSAPrivateCrtKey`
      Returns:
        the prime exponent for Q.

    - #### getCrtCoefficient

          public java.math.BigInteger getCrtCoefficient()

      return the CRT coefficient.
      Specified by:
        `getCrtCoefficient` in interface `java.security.interfaces.RSAPrivateCrtKey`
      Returns:
        the CRT coefficient.

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `JCERSAPrivateKey`

    - #### equals

          public boolean equals​(java.lang.Object o)

      Overrides:
        `equals` in class `JCERSAPrivateKey`

    - #### toString

          public java.lang.String toString()

      Overrides:
        `toString` in class `java.lang.Object`