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Add Character byte reading macros

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These cast to an unsigned char rather than a uint8_t
like with MBEDTLS_BYTE_x
These save alot of space and will improve maintence by
replacing the appropriate code with MBEDTLS_CHAR_x

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani
2021-07-08 14:59:52 +01:00
parent 6a50631497
commit cd84d76e9b
12 changed files with 328 additions and 330 deletions
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16
library/camellia.c
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@@ -278,14 +278,14 @@ static void camellia_feistel( const uint32_t x[2], const uint32_t k[2],
I0 = x[0] ^ k[0];
I1 = x[1] ^ k[1];
I0 = ((uint32_t) SBOX1((I0 >> 24) & 0xFF) << 24) |
((uint32_t) SBOX2((I0 >> 16) & 0xFF) << 16) |
((uint32_t) SBOX3((I0 >> 8) & 0xFF) << 8) |
((uint32_t) SBOX4((I0 ) & 0xFF) );
I1 = ((uint32_t) SBOX2((I1 >> 24) & 0xFF) << 24) |
((uint32_t) SBOX3((I1 >> 16) & 0xFF) << 16) |
((uint32_t) SBOX4((I1 >> 8) & 0xFF) << 8) |
((uint32_t) SBOX1((I1 ) & 0xFF) );
I0 = ((uint32_t) SBOX1( MBEDTLS_BYTE_3( I0 )) << 24) |
((uint32_t) SBOX2( MBEDTLS_BYTE_2( I0 )) << 16) |
((uint32_t) SBOX3( MBEDTLS_BYTE_1( I0 )) << 8) |
((uint32_t) SBOX4( MBEDTLS_BYTE_0( I0 )) );
I1 = ((uint32_t) SBOX2( MBEDTLS_BYTE_3( I1 )) << 24) |
((uint32_t) SBOX3( MBEDTLS_BYTE_2( I1 )) << 16) |
((uint32_t) SBOX4( MBEDTLS_BYTE_1( I1 )) << 8) |
((uint32_t) SBOX1( MBEDTLS_BYTE_0( I1 )) );
I0 ^= (I1 << 8) | (I1 >> 24);
I1 ^= (I0 << 16) | (I0 >> 16);