* The user ID is encrypted using the primary cipher and validated against the configuration.
     *
     * @param userCode the raw user ID to encrypt
     * @return the encrypted and validated user code, or null if invalid
     */
    protected String createUserCodeFromUserId(String userCode) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final PrimaryCipher cipher = ComponentUtil.getPrimaryCipher();

    private byte[] type1Bytes;

    private byte[] signKey;
    private byte[] verifyKey;
    private byte[] sealClientKey;
    private byte[] sealServerKey;

    private Cipher sealClientHandle;
    private Cipher sealServerHandle;

    /**
     * Creates a new NTLM security context with the specified parameters.
     * @param tc
     *            context to use
     * @param auth

                assertArrayEquals(ciphers, decoded.getCiphers());
            } catch (SMBProtocolDecodingException e) {
                fail("Should not throw exception: " + e.getMessage());
            }
        }

        @Test
        @DisplayName("Should verify cipher constants")
        void testCipherConstants() {
            // Verify the cipher constants are correctly defined

            return false;
        }

        boolean valid = false;
        for (final int cipher : rec.getCiphers()) {
            if (cipher == ec.getCiphers()[0]) {
                valid = true;
            }
        }
        if (!valid) {
            log.error("Server returned invalid cipher selection");
            return false;
        }
        return true;
    }

    /**

ecdh-sha2-nistp256
ecdh-sha2-nistp384
ecdh-sha2-nistp521
diffie-hellman-group14-sha256
diffie-hellman-group16-sha512
diffie-hellman-group14-sha1
diffie-hellman-group1-sha1
```

`--sftp=cipher-algos=...` specifies the allowed cipher algorithms. 
If unspecified then a sensible default is used.

Valid values: 
```
aes128-ctr
aes192-ctr
aes256-ctr
******@****.***
******@****.***

    cipher suite. We accidentally specified a key size of 256, preventing that cipher suite from
    being selected for any TLS handshakes. We didn't notice because this cipher suite isn't
    supported on Android, Java, or Conscrypt.

    We removed this cipher suite and `TLS_AES_128_CCM_SHA256` from the restricted, modern, and

pkg bytes, func SplitSeq([]uint8, []uint8) iter.Seq[[]uint8] #61901
pkg crypto/cipher, func NewCFBDecrypter //deprecated #69445
pkg crypto/cipher, func NewCFBEncrypter //deprecated #69445
pkg crypto/cipher, func NewGCMWithRandomNonce(Block) (AEAD, error) #69981
pkg crypto/cipher, func NewOFB //deprecated #69445
pkg crypto/fips140, func Enabled() bool #70123

    @Test
    @DisplayName("Should return selected cipher")
    void testGetSelectedCipher() throws Exception {
        // Given
        setPrivateField(response, "selectedCipher", EncryptionNegotiateContext.CIPHER_AES128_GCM);

        // When
        int cipher = response.getSelectedCipher();

        // Then
        assertEquals(EncryptionNegotiateContext.CIPHER_AES128_GCM, cipher);
    }

    @Test

        try {
            initProcesses.forEach(action);
        } finally {
            initProcesses.clear();
        }
    }

    /**
     * Gets a cached cipher by name.
     * @param cipherName The cipher name.
     * @return The cached cipher.
     */
    public static CachedCipher getCipher(final String cipherName) {
        return getComponent(cipherName);
    }

    /**

            "trustStore is",
            "Reload the trust store",
            "Reload trust certs",
            "Reloaded",
            "adding as trusted certificates",
            "Ignore disabled cipher suite",
            "Ignore unsupported cipher suite",
          ).joinToString(separator = "|"),
        )
        append(").*")
      },
    )

  private val testLogHandler =
    object : Handler() {