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Diffstat (limited to 'Docs/manual.texi')
| -rw-r--r-- | Docs/manual.texi | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi index 0db844a6f9f..d658f20ea67 100644 --- a/Docs/manual.texi +++ b/Docs/manual.texi @@ -33003,11 +33003,10 @@ As AES is a block level algorithm, padding is used to encode uneven length strings and so the result string length may be calculated as 16*(trunc(string_length/16)+1). -@c FIX arjen 2002-06-21 Peter: this sentence makes no sense at all! -If the string has an incorrect length or contains invalid data for this -key, @code{AES_DECRYPT()} will return @code{NULL}, therefore you can't -rely on this to much, @code{AES_DECRYPT()} has some change to return -a non-@code{NULL} value even for an invalid key. +If @code{AES_DECRYPT()} detects invalid data or incorrect padding, it +will return @code{NULL}. However, it is possible for @code{AES_DECRYPT()} +to return a non-@code{NULL} value (possibly garbage) if the input data or +the key was invalid. You can use the AES functions to store data in an encrypted form by modifying your queries: |