+Symmetric encryption employs a single, shared [Secret Key](/wiki/secret_key) to both encrypt and decrypt data. This swift process is fundamental for ensuring [Confidentiality](/wiki/confidentiality) in digital exchanges, provided the key is kept secure.
+## See also
+- [Asymmetric Encryption](/wiki/asymmetric_encryption)
+- [Key Exchange](/wiki/key_exchange)
+- [Cryptography](/wiki/cryptography)
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