// MetaKeyID is the KMS master key ID used to generate/encrypt the data
	// encryption key (DEK).
	MetaKeyID = "X-Minio-Internal-Server-Side-Encryption-S3-Kms-Key-Id"
	// MetaDataEncryptionKey is the sealed data encryption key (DEK) received from
	// the KMS.
	MetaDataEncryptionKey = "X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key"

	// MetaSsecCRC is the encrypted checksum of the SSE-C encrypted object.
	MetaSsecCRC = "X-Minio-Replication-Ssec-Crc"

multipart-debug --endpoint 127.0.0.1:9002 --accesskey minio --secretkey minio123 multipart complete --bucket bucket --object new-test-encrypted-object --uploadid ${upload_id} 1.${etag_1} 2.${etag_2}

sleep 10

./mc stat --no-list sitea/bucket/new-test-encrypted-object

}
```

Optionally `--encrypt` can be specified. This will output an encrypted file and a decryption key:

```
$ mc support inspect --encrypt play/test123/test*/*/part.*
mc: Encrypted file data successfully downloaded as inspect.ad2b43d8.enc
mc: Decryption key: ad2b43d847fdb14e54c5836200177f7158b3f745433525f5d23c0e0208e50c9948540b54

    }

    /**
     * Gets the signature or authentication tag for the encrypted message
     *
     * @return the signature/authentication tag
     */
    public byte[] getSignature() {
        return this.signature;
    }

    /**
     * Sets the signature or authentication tag for the encrypted message
     *
     * @param signature
     *            the signature/authentication tag to set

}

// IsEncrypted reports whether the ETag is encrypted.
func (e ETag) IsEncrypted() bool {
	// An encrypted ETag must be at least 32 bytes long.
	// It contains the encrypted ETag value + an authentication
	// code generated by the AEAD cipher.
	//
	// Here is an incorrect implementation of IsEncrypted:
	//
	//   return len(e) > 16 && !bytes.ContainsRune(e, '-')
	//
	// An encrypted ETag may contain some random bytes - e.g.

// Package crypto implements AWS S3 related cryptographic building blocks
// for implementing Server-Side-Encryption (SSE-S3) and Server-Side-Encryption
// with customer provided keys (SSE-C).
//
// All objects are encrypted with an unique and randomly generated 'ObjectKey'.
// The ObjectKey itself is never stored in plaintext. Instead it is only stored
// in a sealed from. The sealed 'ObjectKey' is created by encrypting the 'ObjectKey'

        deleteUserCodeFromCookie(request);
        return userCode;
    }

    /**
     * Creates an encrypted user code from a user ID.
     * 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) {

        outInts[1] = leftt;
    }

    /// Encrypt a block of bytes.
    /**
     * Encrypts an 8-byte block using DES
     * @param clearText the 8-byte plaintext block
     * @param cipherText the output 8-byte ciphertext block
     */
    public void encrypt(final byte[] clearText, final byte[] cipherText) {
        encrypt(clearText, 0, cipherText, 0);
    }

    /// Decrypt a block of bytes.

            log.debug("Digest " + Hexdump.toHexString(dgst));
            log.debug("Truncated " + Hexdump.toHexString(trunc));
        }

        final boolean encrypted = (this.ntlmsspFlags & NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH) != 0;
        if (encrypted) {
            try {
                trunc = this.sealServerHandle.doFinal(trunc);
                if (log.isDebugEnabled()) {

MINIO_STORAGE_CLASS_COMMENT   (sentence)  optionally add a comment to this setting
```

#### Etcd

MinIO supports storing encrypted IAM assets in etcd, if KMS is configured. Please refer to how to encrypt your config and IAM credentials [here](https://github.com/minio/minio/blob/master/docs/kms/IAM.md).