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Diffstat (limited to 'doc/api/crypto.markdown')
| -rw-r--r-- | doc/api/crypto.markdown | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/api/crypto.markdown b/doc/api/crypto.markdown index fd516acd6a..cbc3955f9a 100644 --- a/doc/api/crypto.markdown +++ b/doc/api/crypto.markdown @@ -123,6 +123,12 @@ Returns any remaining enciphered contents, with `output_encoding` being one of: Note: `cipher` object can not be used after `final()` method been called. +### cipher.setAutoPadding(auto_padding=true) + +You can disable automatic padding of the input data to block size. If `auto_padding` is false, +the length of the entire input data must be a multiple of the cipher's block size or `final` will fail. +Useful for non-standard padding, e.g. using `0x0` instead of PKCS padding. You must call this before `cipher.final`. + ### crypto.createDecipher(algorithm, password) @@ -150,6 +156,12 @@ Defaults to `'binary'`. Note: `decipher` object can not be used after `final()` method been called. +### decipher.setAutoPadding(auto_padding=true) + +You can disable auto padding if the data has been encrypted without standard block padding to prevent +`decipher.final` from checking and removing it. Can only work if the input data's length is a multiple of the +ciphers block size. You must call this before streaming data to `decipher.update`. + ### crypto.createSign(algorithm) |