所以我試圖使用RSA公鑰和私鑰對字符串進行加密/解密。它加密罰款,但每當我試圖解密加密的字符串,我得到一個非常奇怪的輸出。例如, 「你好」,以解密:使用RSA私鑰解密
] T1#Z} - pԏh25〜E'bh〜-I t k > + v ?NA y [@ jp!2p [email protected] oZ $5 @ & v = A e A m ; @d <「&} }r q5U ? J c
�Db�A�!
{ w| IE Ì魈S]�'����88��%������ ��O.N:S
EJ04l3Ύn3{。
我不知道是否有什麼毛病我的解密算法性能。THM或者如果它做轉換的解密字節轉換成字符串(或類似的規定)
這裏的解密方法:
public String decryptString(PrivateKey key, String string) {
try {
pubDecryptCipher.init(Cipher.DECRYPT_MODE, key);
byte[] decodedBytes = Base64.decodeBase64(string.getBytes());
byte[] unencryptedByteArray = pubDecryptCipher.doFinal(decodedBytes);
return new String(unencryptedByteArray, "UTF8");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
加密:
public String encryptString(PublicKey key, String string) {
try {
pubEncryptCipher.init(Cipher.ENCRYPT_MODE, key);
byte[] eba = pubEncryptCipher.doFinal(string.getBytes("UTF8"));
byte[] encodedBytes = Base64.encodeBase64(eba);
return encodedBytes.toString();
} catch (InvalidKeyException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (BadPaddingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
解密的字符串以十六進制表示:
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
而字符串算法的意思是:
pubEncryptCipher = Cipher.getInstance("RSA");
pubDecryptCipher = Cipher.getInstance("RSA");
?
你能告訴我們加密代碼,算法字符串和結果*在十六進制*?看起來你正在使用''RSA/ECB/NoPadding「'這總是不正確的算法字符串;填充模式是RSA加密/解密的重要部分。 –
@owlstead好了更新 –