spring security SignatureAlgorithm 源码
spring security SignatureAlgorithm 代码
文件路径：/oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jose/jws/SignatureAlgorithm.java
/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.oauth2.jose.jws;
/**
* An enumeration of the cryptographic algorithms defined by the JSON Web Algorithms (JWA)
* specification and used by JSON Web Signature (JWS) to digitally sign the contents of
* the JWS Protected Header and JWS Payload.
*
* @author Joe Grandja
* @since 5.2
* @see JwsAlgorithm
* @see <a target="_blank" href="https://tools.ietf.org/html/rfc7518">JSON Web Algorithms
* (JWA)</a>
* @see <a target="_blank" href="https://tools.ietf.org/html/rfc7515">JSON Web Signature
* (JWS)</a>
* @see <a target="_blank" href=
* "https://tools.ietf.org/html/rfc7518#section-3">Cryptographic Algorithms for Digital
* Signatures and MACs</a>
*/
public enum SignatureAlgorithm implements JwsAlgorithm {
/**
* RSASSA-PKCS1-v1_5 using SHA-256 (Recommended)
*/
RS256(JwsAlgorithms.RS256),
/**
* RSASSA-PKCS1-v1_5 using SHA-384 (Optional)
*/
RS384(JwsAlgorithms.RS384),
/**
* RSASSA-PKCS1-v1_5 using SHA-512 (Optional)
*/
RS512(JwsAlgorithms.RS512),
/**
* ECDSA using P-256 and SHA-256 (Recommended+)
*/
ES256(JwsAlgorithms.ES256),
/**
* ECDSA using P-384 and SHA-384 (Optional)
*/
ES384(JwsAlgorithms.ES384),
/**
* ECDSA using P-521 and SHA-512 (Optional)
*/
ES512(JwsAlgorithms.ES512),
/**
* RSASSA-PSS using SHA-256 and MGF1 with SHA-256 (Optional)
*/
PS256(JwsAlgorithms.PS256),
/**
* RSASSA-PSS using SHA-384 and MGF1 with SHA-384 (Optional)
*/
PS384(JwsAlgorithms.PS384),
/**
* RSASSA-PSS using SHA-512 and MGF1 with SHA-512 (Optional)
*/
PS512(JwsAlgorithms.PS512);
private final String name;
SignatureAlgorithm(String name) {
this.name = name;
}
/**
* Returns the algorithm name.
* @return the algorithm name
*/
@Override
public String getName() {
return this.name;
}
/**
* Attempt to resolve the provided algorithm name to a {@code SignatureAlgorithm}.
* @param name the algorithm name
* @return the resolved {@code SignatureAlgorithm}, or {@code null} if not found
*/
public static SignatureAlgorithm from(String name) {
for (SignatureAlgorithm value : values()) {
if (value.getName().equals(name)) {
return value;
}
}
return null;
}
}
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spring security JwsAlgorithm 源码
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