小编pel*_*mon的帖子

我尝试按照本教程创建我的 JWT： https://developer.okta.com/blog/2018/10/31/jwts-with-java 但是当我将 SignatureAlgorithm 从 HS256 更改为 RS 256 时，我收到以下错误：

The signing key's algorithm 'SHA256withRSA' does not equal a valid HmacSHA* algorithm name and cannot be used with HS512.

这是负责 Jwt 的代码部分：

        SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.RS256;
        byte[] apiKeySecretBytes = DatatypeConverter.parseBase64Binary(SECRET_KEY);
        Key signingKey = new SecretKeySpec(apiKeySecretBytes, signatureAlgorithm.getJcaName());

        JwtBuilder builder = Jwts.builder().setId(id)
                .setIssuedAt(now)
                .setSubject(subject)
                .setIssuer(issuer)
                .signWith(signingKey);

我使用的 SECRET_KEY 例如是：

-----BEGIN RSA PRIVATE KEY-----
MIICXgIBAAKBgQCtrKVnwse4anfX+JzM7imShXZUC+QBXQ11A5bOWwHFkXc4nTfE
Or3fJjnRSU5A3IROFU/pVVNiXJNkl7qQZK5mYb8j3NgqX8zZJG7IwLJ/Pm2sRW5Q
j32C/uJum64Q/iEIsCg/mJjDLh1lylEMEuzKgTdWtoeLfxDBL2AJ20qXzQIDAQAB
AoGBAKNXi0GpmjnCOPDxLFg5bvQVfhLSFCGMKQny1DVEtsfgZmbixv5R2R41T4+d
CHJMdEsUFFJ6I7CRLTcg1SDU8IhcAWCBRSNeVuomCHlQG16ti8HxwhiwIcjvDz/z
NC2sL5ZJ2eJnhbtXLdf6pxxO1pA5vLp1AX06IaETO977XvupAkEA+ZgtGZybyUkf
tEA3ekXc5eLoW+zgU0C1fATWcIZ8Iq5YV1BW+3oAzf8HgIbkQh4LM2qa6An3l+vW
NXR4wICHkwJBALIhrcdJqKw36qiyenq+m78klp5SnurQifVt0Sy1GMWyOUqYz5jK
t9sGo9Qn6GDuYe/XGXKWQW25PkEYXxxPPx8CQQCpICyvRidp5VrOURVGjUB5pZ+9
am02/In9V2nXJcnH1kuWHqJSFQGmlEEJHl5dTu5YEMyWnupezzd/UUThbDZxAkAz
TNO5QxNalbf04YG4e9Bq2eSur+iog2pXzkqhb3404UDypNOUkz0jzOO9o8ieschu
xCnGAFPTf7fYE2bAxmnNAkEA0/3bdsvJclquypqP9CQeQnxGwQtWz6+yn07gj3U1
V19mdeKCUZWklRarrcr67u9DdEx+JowyEY/ppzgeQtW01g==
-----END RSA PRIVATE KEY-----

我的猜测是我签署的密钥错误......但我不确定我需要做什么......