mirror of https://github.com/elunez/eladmin
parent
19214fd592
commit
f207d003c2
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@ -81,7 +81,7 @@ public class RsaUtils {
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PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.DECRYPT_MODE, publicKey);
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byte[] result = doLongerCipherFinal(cipher, Base64.decodeBase64(text));
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byte[] result = doLongerCipherFinal(Cipher.DECRYPT_MODE, cipher, Base64.decodeBase64(text));
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return new String(result);
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}
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@ -99,7 +99,7 @@ public class RsaUtils {
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PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.ENCRYPT_MODE, privateKey);
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byte[] result = doLongerCipherFinal(cipher, text.getBytes());
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byte[] result = doLongerCipherFinal(Cipher.ENCRYPT_MODE, cipher, text.getBytes());
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return Base64.encodeBase64String(result);
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}
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@ -117,7 +117,7 @@ public class RsaUtils {
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PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec5);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.DECRYPT_MODE, privateKey);
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byte[] result = doLongerCipherFinal(cipher, Base64.decodeBase64(text));
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byte[] result = doLongerCipherFinal(Cipher.DECRYPT_MODE, cipher, Base64.decodeBase64(text));
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return new String(result);
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}
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@ -134,18 +134,22 @@ public class RsaUtils {
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PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec2);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.ENCRYPT_MODE, publicKey);
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byte[] result = doLongerCipherFinal(cipher, text.getBytes());
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byte[] result = doLongerCipherFinal(Cipher.ENCRYPT_MODE, cipher, text.getBytes());
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return Base64.encodeBase64String(result);
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}
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private static byte[] doLongerCipherFinal(Cipher cipher, byte[] source) throws Exception {
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int offset = 0;
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int totalSize = source.length;
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private static byte[] doLongerCipherFinal(int opMode,Cipher cipher, byte[] source) throws Exception {
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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while (totalSize - offset > 0) {
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int size = Math.min(1024 / 8 - 11, totalSize - offset);
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out.write(cipher.doFinal(source, offset, size));
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offset += size;
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if (opMode == Cipher.DECRYPT_MODE) {
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out.write(cipher.doFinal(source));
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} else {
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int offset = 0;
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int totalSize = source.length;
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while (totalSize - offset > 0) {
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int size = Math.min(cipher.getOutputSize(0) - 11, totalSize - offset);
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out.write(cipher.doFinal(source, offset, size));
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offset += size;
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}
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}
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out.close();
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return out.toByteArray();
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