Package com.nimbusds.jose.crypto.impl

Class RSACryptoProvider

java.lang.Object

com.nimbusds.jose.crypto.impl.BaseJWEProvider

com.nimbusds.jose.crypto.impl.RSACryptoProvider

All Implemented Interfaces:

JCAAware<JWEJCAContext>, JOSEProvider, JWEProvider

Direct Known Subclasses:

RSADecrypter, RSAEncrypter

public abstract class RSACryptoProvider
extends BaseJWEProvider

The base abstract class for RSA encrypters and decrypters of JWE objects.

Supports the following key management algorithms:

• JWEAlgorithm.RSA1_5
• JWEAlgorithm.RSA_OAEP
• JWEAlgorithm.RSA_OAEP_256

Supports the following content encryption algorithms:

• EncryptionMethod.A128CBC_HS256
• EncryptionMethod.A192CBC_HS384
• EncryptionMethod.A256CBC_HS512
• EncryptionMethod.A128GCM
• EncryptionMethod.A192GCM
• EncryptionMethod.A256GCM
• EncryptionMethod.A128CBC_HS256_DEPRECATED
• EncryptionMethod.A256CBC_HS512_DEPRECATED
• EncryptionMethod.XC20P

Version:

2023-03-26

Author:

David Ortiz, Vladimir Dzhuvinov, Egor Puzanov

Field Summary

Fields

Modifier and Type	Field	Description
static final Set<JWEAlgorithm>	SUPPORTED_ALGORITHMS	The supported JWE algorithms by the RSA crypto provider class.
static final Set<EncryptionMethod>	SUPPORTED_ENCRYPTION_METHODS	The supported encryption methods by the RSA crypto provider class.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RSACryptoProvider(SecretKey cek)	Creates a new RSA encryption / decryption provider.

Method Summary

Methods inherited from class com.nimbusds.jose.crypto.impl.BaseJWEProvider

getCEK, getJCAContext, isCEKProvided, supportedEncryptionMethods, supportedJWEAlgorithms

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SUPPORTED_ALGORITHMS

public static final Set<JWEAlgorithm> SUPPORTED_ALGORITHMS

The supported JWE algorithms by the RSA crypto provider class.

SUPPORTED_ENCRYPTION_METHODS

public static final Set<EncryptionMethod> SUPPORTED_ENCRYPTION_METHODS

The supported encryption methods by the RSA crypto provider class.

Constructor Details

RSACryptoProvider

protected RSACryptoProvider(SecretKey cek)

Creates a new RSA encryption / decryption provider.

Parameters:

cek - The Content Encryption Key (CEK). Must be 128 bits (16 bytes), 192 bits (24 bytes), 256 bits (32 bytes), 384 bits (48 bytes) or 512 bits (64 bytes) long. Must not be null.