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-rw-r--r--src/lib/crypto/builtin/aes/aeskeypp.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/src/lib/crypto/builtin/aes/aeskeypp.c b/src/lib/crypto/builtin/aes/aeskeypp.c
index 89fd9006d..589d7a392 100644
--- a/src/lib/crypto/builtin/aes/aeskeypp.c
+++ b/src/lib/crypto/builtin/aes/aeskeypp.c
@@ -5,41 +5,41 @@
LICENSE TERMS
- The free distribution and use of this software in both source and binary
+ The free distribution and use of this software in both source and binary
form is allowed (with or without changes) provided that:
- 1. distributions of this source code include the above copyright
+ 1. distributions of this source code include the above copyright
notice, this list of conditions and the following disclaimer;
2. distributions in binary form include the above copyright
notice, this list of conditions and the following disclaimer
in the documentation and/or other associated materials;
- 3. the copyright holder's name is not used to endorse products
- built using this software without specific written permission.
+ 3. the copyright holder's name is not used to endorse products
+ built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explcit or implied warranties
- in respect of any properties, including, but not limited to, correctness
+ in respect of any properties, including, but not limited to, correctness
and fitness for purpose.
-------------------------------------------------------------------------
Issue Date: 21/01/2002
- This file contains the code for implementing the key schedule for AES
+ This file contains the code for implementing the key schedule for AES
(Rijndael) for block and key sizes of 16, 20, 24, 28 and 32 bytes.
*/
#include "aesopt.h"
/* Subroutine to set the block size (if variable) in bytes, legal
- values being 16, 24 and 32.
+ values being 16, 24 and 32.
*/
#if !defined(BLOCK_SIZE) && defined(SET_BLOCK_LENGTH)
/* Subroutine to set the block size (if variable) in bytes, legal
- values being 16, 24 and 32.
+ values being 16, 24 and 32.
*/
aes_rval aes_blk_len(unsigned int blen, aes_ctx cx[1])
@@ -48,8 +48,8 @@ aes_rval aes_blk_len(unsigned int blen, aes_ctx cx[1])
if(!tab_init) gen_tabs();
#endif
- if((blen & 3) || blen < 16 || blen > 32)
- {
+ if((blen & 3) || blen < 16 || blen > 32)
+ {
cx->n_blk = 0; return aes_bad;
}
@@ -64,10 +64,10 @@ aes_rval aes_blk_len(unsigned int blen, aes_ctx cx[1])
This corresponds to bit lengths of 128, 192 and 256 bits, and
to Nk values of 4, 6 and 8 respectively.
- The following macros implement a single cycle in the key
- schedule generation process. The number of cycles needed
+ The following macros implement a single cycle in the key
+ schedule generation process. The number of cycles needed
for each cx->n_blk and nk value is:
-
+
nk = 4 5 6 7 8
------------------------------
cx->n_blk = 4 10 9 8 7 7
@@ -78,7 +78,7 @@ aes_rval aes_blk_len(unsigned int blen, aes_ctx cx[1])
*/
/* Initialise the key schedule from the user supplied key. The key
- length is now specified in bytes - 16, 20, 24, 28 or 32 as
+ length is now specified in bytes - 16, 20, 24, 28 or 32 as
appropriate. This corresponds to bit lengths of 128, 160, 192,
224 and 256 bits, and to Nk values of 4, 5, 6, 7 & 8 respectively.
*/
@@ -133,10 +133,10 @@ switch(nc) \
#endif
-/* The following macros implement a single cycle in the key
- schedule generation process. The number of cycles needed
+/* The following macros implement a single cycle in the key
+ schedule generation process. The number of cycles needed
for each cx->n_blk and nk value is:
-
+
nk = 4 5 6 7 8
-----------------------
cx->n_blk = 4 10 9 8 7 7
@@ -229,30 +229,30 @@ aes_rval aes_enc_key(const unsigned char in_key[], unsigned int klen, aes_ctx cx
{
case 4: ks4(0); ks4(1); ks4(2); ks4(3);
ks4(4); ks4(5); ks4(6); ks4(7);
- ks4(8); ks4(9);
+ ks4(8); ks4(9);
cx->n_rnd = 10; break;
case 5: cx->k_sch[4] = t = word_in(in_key + 16);
ks5(0); ks5(1); ks5(2); ks5(3);
- ks5(4); ks5(5); ks5(6); ks5(7);
- ks5(8);
+ ks5(4); ks5(5); ks5(6); ks5(7);
+ ks5(8);
cx->n_rnd = 11; break;
case 6: cx->k_sch[4] = t = word_in(in_key + 16);
cx->k_sch[5] = u = word_in(in_key + 20);
ks6(0); ks6(1); ks6(2); ks6(3);
- ks6(4); ks6(5); ks6(6); ks6(7);
+ ks6(4); ks6(5); ks6(6); ks6(7);
cx->n_rnd = 12; break;
case 7: cx->k_sch[4] = t = word_in(in_key + 16);
cx->k_sch[5] = u = word_in(in_key + 20);
cx->k_sch[6] = v = word_in(in_key + 24);
ks7(0); ks7(1); ks7(2); ks7(3);
- ks7(4); ks7(5); ks7(6);
+ ks7(4); ks7(5); ks7(6);
cx->n_rnd = 13; break;
case 8: cx->k_sch[4] = t = word_in(in_key + 16);
cx->k_sch[5] = u = word_in(in_key + 20);
cx->k_sch[6] = v = word_in(in_key + 24);
cx->k_sch[7] = w = word_in(in_key + 28);
ks8(0); ks8(1); ks8(2); ks8(3);
- ks8(4); ks8(5); ks8(6);
+ ks8(4); ks8(5); ks8(6);
cx->n_rnd = 14; break;
default:cx->n_rnd = 0; return aes_bad;
}
@@ -326,30 +326,30 @@ aes_rval aes_dec_key(const unsigned char in_key[], unsigned int klen, aes_ctx cx
{
case 4: ks4(0); ks4(1); ks4(2); ks4(3);
ks4(4); ks4(5); ks4(6); ks4(7);
- ks4(8); ks4(9);
+ ks4(8); ks4(9);
cx->n_rnd = 10; break;
case 5: cx->k_sch[4] = t = word_in(in_key + 16);
ks5(0); ks5(1); ks5(2); ks5(3);
- ks5(4); ks5(5); ks5(6); ks5(7);
- ks5(8);
+ ks5(4); ks5(5); ks5(6); ks5(7);
+ ks5(8);
cx->n_rnd = 11; break;
case 6: cx->k_sch[4] = t = word_in(in_key + 16);
cx->k_sch[5] = u = word_in(in_key + 20);
ks6(0); ks6(1); ks6(2); ks6(3);
- ks6(4); ks6(5); ks6(6); ks6(7);
+ ks6(4); ks6(5); ks6(6); ks6(7);
cx->n_rnd = 12; break;
case 7: cx->k_sch[4] = t = word_in(in_key + 16);
cx->k_sch[5] = u = word_in(in_key + 20);
cx->k_sch[6] = v = word_in(in_key + 24);
ks7(0); ks7(1); ks7(2); ks7(3);
- ks7(4); ks7(5); ks7(6);
+ ks7(4); ks7(5); ks7(6);
cx->n_rnd = 13; break;
case 8: cx->k_sch[4] = t = word_in(in_key + 16);
cx->k_sch[5] = u = word_in(in_key + 20);
cx->k_sch[6] = v = word_in(in_key + 24);
cx->k_sch[7] = w = word_in(in_key + 28);
ks8(0); ks8(1); ks8(2); ks8(3);
- ks8(4); ks8(5); ks8(6);
+ ks8(4); ks8(5); ks8(6);
cx->n_rnd = 14; break;
default:cx->n_rnd = 0; return aes_bad;
}
generated by cgit (git 2.34.1) at 2024-09-20 01:40:40 +0000