# Enum PublicKeyFormat (2.93.0)

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    public enum PublicKeyFormat extends Enum<PublicKeyFormat> implements ProtocolMessageEnum

The supported formats for the public key.

Protobuf enum `google.cloud.iot.v1.PublicKeyFormat`

## Implements

[ProtocolMessageEnum](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.ProtocolMessageEnum.html)

## Inherited Members

[Enum.\<T\>valueOf(Class\<T\>,String)](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#valueOf-java.lang.Class-java.lang.String-) [Enum.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#clone--) [Enum.compareTo(E)](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#compareTo-E-) [Enum.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#equals-java.lang.Object-) [Enum.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#finalize--) [Enum.getDeclaringClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#getDeclaringClass--) [Enum.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#hashCode--) [Enum.name()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#name--) [Enum.ordinal()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#ordinal--) [Enum.toString()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#toString--) [Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) [Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) [Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) [Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) [Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) [Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-)

| ## Static Fields ||
|---|---|
| **Name** | **Description** |
| `ES256_PEM` | Public key for the ECDSA algorithm using P-256 and SHA-256, encoded in base64, and wrapped by `---BEGIN PUBLIC KEY---` and `---END PUBLIC KEY---`. This can be used to verify JWT tokens with the `ES256` algorithm ([RFC7518](https://www.ietf.org/rfc/rfc7518.txt)). This curve is defined in [OpenSSL](https://www.openssl.org/) as the `prime256v1` curve. `ES256_PEM = 2;` |
| `ES256_PEM_VALUE` | Public key for the ECDSA algorithm using P-256 and SHA-256, encoded in base64, and wrapped by `---BEGIN PUBLIC KEY---` and `---END PUBLIC KEY---`. This can be used to verify JWT tokens with the `ES256` algorithm ([RFC7518](https://www.ietf.org/rfc/rfc7518.txt)). This curve is defined in [OpenSSL](https://www.openssl.org/) as the `prime256v1` curve. `ES256_PEM = 2;` |
| `ES256_X509_PEM` | As ES256_PEM, but wrapped in an X.509v3 certificate ([RFC5280](https://www.ietf.org/rfc/rfc5280.txt)), encoded in base64, and wrapped by `---BEGIN CERTIFICATE---` and `---END CERTIFICATE---`. `ES256_X509_PEM = 4;` |
| `ES256_X509_PEM_VALUE` | As ES256_PEM, but wrapped in an X.509v3 certificate ([RFC5280](https://www.ietf.org/rfc/rfc5280.txt)), encoded in base64, and wrapped by `---BEGIN CERTIFICATE---` and `---END CERTIFICATE---`. `ES256_X509_PEM = 4;` |
| `RSA_PEM` | An RSA public key encoded in base64, and wrapped by `---BEGIN PUBLIC KEY---` and `---END PUBLIC KEY---`. This can be used to verify `RS256` signatures in JWT tokens ([RFC7518](https://www.ietf.org/rfc/rfc7518.txt)). `RSA_PEM = 3;` |
| `RSA_PEM_VALUE` | An RSA public key encoded in base64, and wrapped by `---BEGIN PUBLIC KEY---` and `---END PUBLIC KEY---`. This can be used to verify `RS256` signatures in JWT tokens ([RFC7518](https://www.ietf.org/rfc/rfc7518.txt)). `RSA_PEM = 3;` |
| `RSA_X509_PEM` | As RSA_PEM, but wrapped in an X.509v3 certificate ([RFC5280](https://www.ietf.org/rfc/rfc5280.txt)), encoded in base64, and wrapped by `---BEGIN CERTIFICATE---` and `---END CERTIFICATE---`. `RSA_X509_PEM = 1;` |
| `RSA_X509_PEM_VALUE` | As RSA_PEM, but wrapped in an X.509v3 certificate ([RFC5280](https://www.ietf.org/rfc/rfc5280.txt)), encoded in base64, and wrapped by `---BEGIN CERTIFICATE---` and `---END CERTIFICATE---`. `RSA_X509_PEM = 1;` |
| `UNRECOGNIZED` |   |
| `UNSPECIFIED_PUBLIC_KEY_FORMAT` | The format has not been specified. This is an invalid default value and must not be used. `UNSPECIFIED_PUBLIC_KEY_FORMAT = 0;` |
| `UNSPECIFIED_PUBLIC_KEY_FORMAT_VALUE` | The format has not been specified. This is an invalid default value and must not be used. `UNSPECIFIED_PUBLIC_KEY_FORMAT = 0;` |

| ## Static Methods ||
|---|---|
| **Name** | **Description** |
| `forNumber(int value)` |   |
| `getDescriptor()` |   |
| `internalGetValueMap()` |   |
| `valueOf(Descriptors.EnumValueDescriptor desc)` |   |
| `valueOf(int value)` | **Deprecated.** *Use [#forNumber(int)](https://docs.cloud.google.com/java/docs/reference/google-cloud-iot/latest/com.google.cloud.iot.v1.PublicKeyFormat#com_google_cloud_iot_v1_PublicKeyFormat_forNumber_int_) instead.* |
| `valueOf(String name)` |   |
| `values()` |   |

| ## Methods ||
|---|---|
| **Name** | **Description** |
| `getDescriptorForType()` |   |
| `getNumber()` |   |
| `getValueDescriptor()` |   |