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modified comments for tables
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@ShreeHarish
ShreeHarish committed Oct 22, 2024
1 parent 10dd7ad commit df9bd8d
Showing 1 changed file with 27 additions and 34 deletions.
61 changes: 27 additions & 34 deletions hashing/ripemd_160.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -57,45 +57,38 @@ namespace hashing {
*/
class RIPEMD160 {
private:
/**
* @brief Implements the r table
*/
static constexpr int r[80] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13};
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7,
4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, 3, 10,
14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, 1, 9, 11,
10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, 4, 0, 5, 9,
7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13}; /// Implements the r
/// table

/**
* @brief Implements the r' table
*/
static constexpr int r_dash[80] = {
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11};
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, 6,
11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, 15, 5,
1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, 8, 6, 4,
1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, 12, 15, 10, 4,
1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11}; /// Implements the r'
/// table

static constexpr int s[80] = {11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14,
15, 6, 7, 9, 8, 7, 6, 8, 13, 11, 9,
7, 15, 7, 12, 15, 9, 11, 7, 13, 12, 11,
13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6,
5, 12, 7, 5, 11, 12, 14, 15, 14, 15, 9,
8, 9, 14, 5, 6, 8, 6, 5, 12, 9, 15,
5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11,
8, 5, 6}; /// Implements the s table

/**
* @brief Implements the s table
*/
static constexpr int s[80] = {
11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6};

/**
* @brief Implements the s' table
*/
static constexpr int s_dash[80] = {
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11};
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, 9,
13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, 9, 7,
15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, 15, 5, 8,
11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, 8, 5, 12, 9,
12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11}; /// Implements the s'
/// table

/**
* @brief Implements f(j,B,C,D)
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