我需要将RSA PublicKey转换为有效的JWK。特别是JWK的“n”和“e”值是我遇到困难的地方。当查看示例JWK时,编码似乎不正确,请参考https://www.rfc-editor.org/rfc/rfc7517#page-25
目前,我的代码基本上看起来是这样的:
private Map<String, Object> generateJWK(PublicKey publicKey){
RSAPublicKey rsa = (RSAPublicKey) publicKey;
Map<String, Object> values = new HashMap<>();
values.put("kty", rsa.getAlgorithm()); // getAlgorithm() returns kty not algorithm
values.put("kid", "someuniqueid");
values.put("n", Base64.encode(rsa.getModulus().toString()));
values.put("e", Base64.encode(rsa.getPublicExponent().toString()));
values.put("alg", "RS256");
values.put("use", "sig");
return values;
}
然而,输出似乎没有正确编码或其他原因,例如 e
看起来像这样:NjU1Mzc=
n
不包含像 -
、_
和 +
这样的特殊字符。
jMzk1MNT0xTk2NED1xzzgNyQ00IykADzMAM0c0wz0M0MONj2z5TgNzI3yAM0OONYzzMjzwNzDxgAzxDxzMMAjTwNNDYMINMgNQDOEAkIM2jMQzkjUTDUYONNg1A00Tw1Nx4YEzAzjUT1MTNMjDjMM1MNNAjyTMIzxNADDINQANwT5yTDEMjEzNz2z2gOgjDDDNyNDjTzz43ETOYMI35gDjE00MYYM2DzDjDgww53Mwz0ME1NMgOM3MIzYTzMwzOMIQU5MjOzUjMNQNNg50U5NIDNzw2DMMOggNcQQM21TI5NMzDTN5Mj123O33MNNMkyNTNONxMM5wMMc04jTgAUE3MM1zMg4NNMT4MNDMM5yTO2j4jNDEMy1yNANNAzOIEUDzNwzExwTIkNjUjkN54Uz0DT5x0zM51k2MxYkx0zMNzxMkDUDTTQN3gAYODATQDDwMDMjMMcONjxMNTYMT5kgxNkMjNMQU0jzMEwIIMzTzUD4MgYDkDNzcAzN0TN4yNTz11DMxDUjDM2MyDMy4DEINMwT22QxjNNEzNDATy1OM1NNDxYgz5TxDkj3gQ32kIwNNkDO3xczDAENcTMNO0MOjTDwE3g11wNUcgNTwQk30kjjNNzTz4jTj4OOjQNYzMzcMjTQMkyzNNNUQOTOMMkMMMNzwNxDOEkg4xADIT4DNxMz2TENT4yN4z2I2zjyMU3DTOEQN4MIQjNDMU5Y11QkccwMNI0kNzyNjMMN4NMTTNMzMwxMjjDzgAANO1zwjYIEUjM1ADgDNjxTITMNNkIYxzyzzEEDMzDzNjzM4NjNNjc3ITTD0T5jzN=
我是否正确地假设了值n和e都没有得到适当的编码? 我应该如何将PublicKey转换为JWK?(不能使用第三方库)