// BucketSSEConfig - represents default bucket encryption configuration
type BucketSSEConfig struct {
	XMLNS   string   `xml:"xmlns,attr,omitempty"`
	XMLName xml.Name `xml:"ServerSideEncryptionConfiguration"`
	Rules   []Rule   `xml:"Rule"`
}

// ParseBucketSSEConfig - Decodes given XML to a valid default bucket encryption config
func ParseBucketSSEConfig(r io.Reader) (*BucketSSEConfig, error) {

* Certificates have a **lifetime**.
    * They **expire**.
    * And then they need to be **renewed**, **acquired again** from the third party.
* The encryption of the connection happens at the **TCP level**.
    * That's one layer **below HTTP**.
    * So, the **certificate and encryption** handling is done **before HTTP**.
* **TCP doesn't know about "domains"**. Only about IP addresses.

//
//	For example: ceb8853ddc5086cc4ab9e149f8f09c88-5
//
// However, this scheme is only used for multipart objects that are
// not encrypted.
//
// # Server-side Encryption
//
// S3 specifies three types of server-side-encryption - SSE-C, SSE-S3
// and SSE-KMS - with different semantics w.r.t. ETags.
// In case of SSE-S3, the ETag of an object is computed the same as

         "Principal":"*",
         "Action":"s3:PutObject",
         "Resource":"arn:aws:s3:::multi-key-poc/*",
         "Condition":{
            "StringNotEquals":{
               "s3:x-amz-server-side-encryption-aws-kms-key-id":"minio-default-key"
            }
         }
      }
   ]

    /** Authorization data type: Relevant */
    int AUTH_DATA_RELEVANT = 1;
    /** Authorization data type: PAC */
    int AUTH_DATA_PAC = 128;

    /** DES encryption type identifier */
    int DES_ENC_TYPE = 3;
    /** RC4 encryption type identifier */
    int RC4_ENC_TYPE = 23;
    /** RC4 algorithm name */
    String RC4_ALGORITHM = "ARCFOUR";
    /** HMAC algorithm name */
    String HMAC_ALGORITHM = "HmacMD5";

    int NTLMSSP_NEGOTIATE_VERSION = 0x2000000;

    /**
     * Indicates that 128-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    /**
     * Request explicit key exchange
     */
    int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**
     * Indicates that 56-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_56 = 0x80000000;

    /**
     * @return the selectedDialect
     */
    @Override
    public DialectVersion getSelectedDialect() {
        return this.selectedDialect;
    }

    /**
     * Gets the encryption cipher selected for SMB3 encryption.
     *
     * @return the selectedCipher
     */
    public int getSelectedCipher() {
        return this.selectedCipher;
    }

    /**

    }

    /**
     * Test encryption context performance without synchronization bottlenecks
     */
    @Test
    public void testEncryptionContextPerformance() throws Exception {
        // Create mock encryption context for testing (simplified)
        // Note: This tests the atomic operations without actual encryption

        int threadCount = 8;
        int operationsPerThread = 500;

         "Effect":"Deny",
         "Principal":"*",
         "Action":"s3:PutObject",
         "Resource":"arn:aws:s3:::multi-key-poc/*",
         "Condition":{
            "Null":{
               "s3:x-amz-server-side-encryption-aws-kms-key-id":"true"
            }
         }
      }
   ]

> ```bash
> export MINIO_COMPRESSION_ENABLE="on"
> export MINIO_COMPRESSION_EXTENSIONS="*"
> export MINIO_COMPRESSION_MIME_TYPES="*"
> ```

### 3. Compression + Encryption

Combining encryption and compression is not safe in all setups.
This is particularly so if the compression ratio of your content reveals information about it.
See [CRIME TLS](https://en.wikipedia.org/wiki/CRIME) as an example of this.