|
QuickCrypt Library |
API |
|
OFB Mode API Overview
OFB Mode API assists you in performing
encryption/decryption in
OFB mode
of operation.
To encrypt/decrypt a memory buffer,
perform the following:
-
Allocate at least
CONTEXTSIZE bytes
for the
context.
For example, to perform DES encryption/decryption allocate at least
SLC_DES_CONTEXTSIZE bytes for the context.
-
Call the Init function of the
encryption algorithm you need to use, passing to it the secret key and the
cipher direction (SLC_ENCRYPT
only). For example, to perform DES encryption/decryption call
SL_DES_Init function.
-
Call the
SL_OFB_Init function to initialize the
context
with the initialization vector.
-
Call the
SL_OFB_Process function
to encrypt/decrypt the memory buffer.
OFB Mode API Functions
|
Useful Links
|
