diff options
Diffstat (limited to 'src/common/des.c')
| -rw-r--r-- | src/common/des.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/common/des.c b/src/common/des.c index c811dd96c..706aafbdd 100644 --- a/src/common/des.c +++ b/src/common/des.c @@ -40,9 +40,9 @@ static const uint8_t mask[8] = { /// Initial permutation (IP). -static void IP(BIT64* src) +static void IP(struct BIT64 *src) { - BIT64 tmp = {{0}}; + struct BIT64 tmp = {{0}}; static const uint8_t ip_table[64] = { 58, 50, 42, 34, 26, 18, 10, 2, @@ -68,9 +68,9 @@ static void IP(BIT64* src) /// Final permutation (IP^-1). -static void FP(BIT64* src) +static void FP(struct BIT64 *src) { - BIT64 tmp = {{0}}; + struct BIT64 tmp = {{0}}; static const uint8_t fp_table[64] = { 40, 8, 48, 16, 56, 24, 64, 32, @@ -97,9 +97,9 @@ static void FP(BIT64* src) /// Expansion (E). /// Expands upper four 8-bits (32b) into eight 6-bits (48b). -static void E(BIT64* src) +static void E(struct BIT64 *src) { - BIT64 tmp = {{0}}; + struct BIT64 tmp = {{0}}; #if 0 // original @@ -137,9 +137,9 @@ static void E(BIT64* src) /// Transposition (P-BOX). -static void TP(BIT64* src) +static void TP(struct BIT64 *src) { - BIT64 tmp = {{0}}; + struct BIT64 tmp = {{0}}; static const uint8_t tp_table[32] = { 16, 7, 20, 21, @@ -166,9 +166,9 @@ static void TP(BIT64* src) /// Substitution boxes (S-boxes). /// NOTE: This implementation was optimized to process two nibbles in one step (twice as fast). -static void SBOX(BIT64* src) +static void SBOX(struct BIT64 *src) { - BIT64 tmp = {{0}}; + struct BIT64 tmp = {{0}}; static const uint8_t s_table[4][64] = { { @@ -207,9 +207,9 @@ static void SBOX(BIT64* src) /// DES round function. /// XORs src[0..3] with TP(SBOX(E(src[4..7]))). -static void RoundFunction(BIT64* src) +static void RoundFunction(struct BIT64 *src) { - BIT64 tmp = *src; + struct BIT64 tmp = *src; E(&tmp); SBOX(&tmp); TP(&tmp); @@ -221,7 +221,7 @@ static void RoundFunction(BIT64* src) } -void des_decrypt_block(BIT64* block) +void des_decrypt_block(struct BIT64 *block) { IP(block); RoundFunction(block); @@ -231,7 +231,7 @@ void des_decrypt_block(BIT64* block) void des_decrypt(unsigned char* data, size_t size) { - BIT64* p = (BIT64*)data; + struct BIT64 *p = (struct BIT64 *)data; size_t i; for( i = 0; i*8 < size; i += 8 ) |