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DECRYPT

The DECRYPT command applies a symmetric decryption algorithm to a structured variable or memory area, checking for security checksum present at the end, to prevent data corruption or accidental tampering.

When the command is executed, the destination buffer is filled with the original data decrypted by the encryption operation. A computed value a checksum is recalculated and checked with the one on the end of the buffer, to serve as a trust seal.

Note that the size of the key must be the same as the size of the data.

syntax example abbreviation back to keywords

SYNTAX

 = DECRYPT( data, key TO var )


Legend
  • id : identifier
  • type : datatype
  • v : value
  • "..." : string
  • [...] : optional

EXAMPLE

 DIM params(2) AS INTEGER
 IF DECRYPT( ENCRYPT( params, "OKOK" ), "OKOK" TO params) THEN: PRINT "OK!": ENDIF


ABBREVIATION: DEc

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An interesting competition is held at the beginning of each year: the BASIC 10Liner Contest. It is possible to use ugBASIC to participate in the next "BASIC10Liner" competition, in the following categories:

  • PUR-120 - A game in 10 lines of max 120 characters (w/abbrev.)
  • EXTREME-256 - A game in 10 lines of max 256 characters (w/abbrev.)
  • SCHAU - Any program in 10 lines of max 256 characters (w/abbrev.)
In order to reduce space you can use this abbreviation for this instruction: 

DECRYPT ↔ DEc

Any problem?

If you have found a problem with this keyword, if you think there is a bug or, more simply, you would like it to be improved, open an issue for this example on GitHub.
Thank you!

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