[Function]: Create the encrypte functions DES #3
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lpieri
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the
🚧 WIP
added 6 commits
April 22, 2020 10:44
- Create cbc.c & cbc.h - Create ecb.c & ecb.h
- Create file des_key_schedule.c - Create functions "permute_block" & "des_key_schedule" - Create global tab "g_permute_tab" in des file Next Change: - Continue des try... - Continue the read of doc
- Create printer for the permutation of bits - Update & testing the function permute_block (ok) Next Change: - Slip block in 2 blocks of 32 bits - Create function for the cycle
- Change function block-permute in des-permute - Slip the block of 64 bits in two block of 32 bits - Permute the second part of block 32 bits in 48 bits Next Change: - Slip the 48 part of block in tiny blocks of 4 bits - Permute the key of 64 bits in 56 bits and 48 bits...
- Re-write the function des_key_schedule - Create structure for the des_key - Progress in the blocks cycle [Next Change]: - Continue the des_key_schedule - Continue the blocks cycle
- Duplicate the function des_key_schedule:
- One return struct t_des_keys
- Other one return pointer of uint32_t
- Create while i < 16 for the cycle
[Next Change]:
- Writing the xor of key and blocks
- Inverse the left block with the right block
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