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Encryption converts plaintext into ciphertext to protect confidentiality.
Encryption is the process of transforming plaintext (the original, readable information) into ciphertext (an alternative form) so that, ideally, only authorized parties can decode it. The goal is confidentiality: even if an interceptor can access the transmitted data, the ciphertext should not be intelligible without the proper decryption key. In practice, encryption schemes use a pseudo-random encryption key generated by an algorithm. Decryption may be possible only with the correct key, and for well-designed schemes it should require substantial computational effort to break. Authorized recipients can decrypt easily when they have the key provided by the originator, while unauthorized users should not be able to recover the plaintext.
Encryption converts plaintext into ciphertext to protect confidentiality.
Only authorized parties with the correct decryption key should be able to recover plaintext.
Well-designed encryption relies on computational difficulty to prevent cracking without the key.
The original, readable information before it is encrypted.
The transformed, non-readable output produced by encryption.
A (typically pseudo-random) secret value used by an encryption algorithm to produce ciphertext.
The secret value required to convert ciphertext back into plaintext.
The security property that ensures sensitive information is not intelligible to unauthorized parties.
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