yuzu-emu/mbedtls
1
0
Fork 0
mirror of https://github.com/yuzu-emu/mbedtls.git synced 2024-11-22 11:35:44 +01:00
Code Issues Packages Projects Releases Wiki Activity

- Clarified use of AES and Camellia in CFB and CTR modes

Browse Source
This commit is contained in:
Paul Bakker 2011-10-06 13:11:08 +00:00
parent 490ecc8c3e
commit ca6f3e24a4
3 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ChangeLog
View File

@ -9,6 +9,9 @@ Features
supported version to a server to help buggy server implementations.
(Closes ticket #36)
Changes
* Documentation for AES and Camellia in modes CTR and CFB128 clarified.
= Version 1.0.0 released on 2011-07-27
Features
* Expanded cipher layer with support for CFB128 and CTR mode

9
include/polarssl/aes.h
View File

@ -111,6 +111,11 @@ int aes_crypt_cbc( aes_context *ctx,
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
*
* both
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param length length of the input data
@ -134,6 +139,10 @@ int aes_crypt_cfb128( aes_context *ctx,
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
*
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to

8
include/polarssl/camellia.h
View File

@ -117,6 +117,10 @@ int camellia_crypt_cbc( camellia_context *ctx,
/**
* \brief CAMELLIA-CFB128 buffer encryption/decryption
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* camellia_setkey_enc() for both CAMELLIA_ENCRYPT and CAMELLIE_DECRYPT.
*
* \param ctx CAMELLIA context
* \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
* \param length length of the input data
@ -140,6 +144,10 @@ int camellia_crypt_cfb128( camellia_context *ctx,
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* camellia_setkey_enc() for both CAMELLIA_ENCRYPT and CAMELLIA_DECRYPT.
*
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to