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## org.mozilla.jss.pkix.primitive
Class SubjectPublicKeyInfo

    java.lang.Object
      java.security.spec.EncodedKeySpec
          java.security.spec.X509EncodedKeySpec
              org.mozilla.jss.pkix.primitive.SubjectPublicKeyInfo

All Implemented Interfaces:
  java.io.Serializable, java.security.Key, java.security.PublicKey, java.security.spec.KeySpec, ASN1Value

    public class SubjectPublicKeyInfo

extends java.security.spec.X509EncodedKeySpec
implements ASN1Value, java.security.PublicKey

A SubjectPublicKeyInfo, which stores information about a public key. This class implements `java.security.PublicKey`.

See Also:
  Serialized Form

Nested Class Summary
`static class` | `SubjectPublicKeyInfo.Template`

Field Summary
`static Tag` | `TAG`

Fields inherited from interface java.security.PublicKey
`serialVersionUID`

Constructor Summary
`SubjectPublicKeyInfo(AlgorithmIdentifier algorithm, BIT_STRING subjectPublicKey)`
`SubjectPublicKeyInfo(java.security.PublicKey pubk)`

Method Summary
`void` | `encode(java.io.OutputStream ostream)` Write this value's DER encoding to an output stream using its own base tag.
`void` | `encode(Tag implicit, java.io.OutputStream ostream)` Write this value's DER encoding to an output stream using an implicit tag.
`java.lang.String` | `getAlgorithm()`
`AlgorithmIdentifier` | `getAlgorithmIdentifier()`
`byte[]` | `getEncoded()`
`BIT_STRING` | `getSubjectPublicKey()`
`Tag` | `getTag()` Returns the base tag for this type, not counting any tags that may be imposed on it by its context.
`static SubjectPublicKeyInfo.Template` | `getTemplate()`
`java.security.PublicKey` | `toPublicKey()` Creates a PublicKey from the public key information.

Methods inherited from class java.security.spec.X509EncodedKeySpec
`getFormat`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface java.security.Key
`getFormat`

Field Detail

### TAG

    public static final Tag TAG

Constructor Detail

### SubjectPublicKeyInfo

    public SubjectPublicKeyInfo(AlgorithmIdentifier algorithm,
                                BIT_STRING subjectPublicKey)

### SubjectPublicKeyInfo

    public SubjectPublicKeyInfo(java.security.PublicKey pubk)
                         throws InvalidBERException,
                                java.io.IOException

Throws:
  `InvalidBERException`
  `java.io.IOException`

Method Detail

### getAlgorithm

    public java.lang.String getAlgorithm()

  Specified by:
    `getAlgorithm` in interface `java.security.Key`

### getEncoded

    public byte[] getEncoded()

  Specified by:
    `getEncoded` in interface `java.security.Key`
  Overrides:
    `getEncoded` in class `java.security.spec.X509EncodedKeySpec`

### getAlgorithmIdentifier

    public AlgorithmIdentifier getAlgorithmIdentifier()

### getSubjectPublicKey

    public BIT_STRING getSubjectPublicKey()

### getTag

    public Tag getTag()

  Description copied from interface: `ASN1Value`
  Returns the base tag for this type, not counting any tags that may be imposed on it by its context.

  Specified by:
    `getTag` in interface `ASN1Value`

### encode

    public void encode(java.io.OutputStream ostream)
                throws java.io.IOException

  Description copied from interface: `ASN1Value`
  Write this value's DER encoding to an output stream using its own base tag.

  Specified by:
    `encode` in interface `ASN1Value`
  Throws:
    `java.io.IOException`

### encode

    public void encode(Tag implicit,
                       java.io.OutputStream ostream)
                throws java.io.IOException

  Description copied from interface: `ASN1Value`
  Write this value's DER encoding to an output stream using an implicit tag.

  Specified by:
    `encode` in interface `ASN1Value`
  Throws:
    `java.io.IOException`

### getTemplate

    public static SubjectPublicKeyInfo.Template getTemplate()

### toPublicKey

    public java.security.PublicKey toPublicKey()
                                        throws java.security.NoSuchAlgorithmException,
                                               InvalidKeyFormatException

  Creates a PublicKey from the public key information. Currently only RSA and DSA keys can be converted.

  Throws:
    `java.security.NoSuchAlgorithmException` - If the cryptographic provider does not recognize the algorithm for this public key.
    `InvalidKeyFormatException` - If the subjectPublicKey could not be decoded correctly.

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