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ShreeHarishShreeHarish
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modified comments for tables
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‎hashing/ripemd_160.cpp‎

Lines changed: 27 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -57,45 +57,38 @@ namespace hashing {
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*/
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class RIPEMD160 {
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private:
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/**
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* @brief Implements the r table
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*/
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static constexpr int r[80] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
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3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
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1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
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4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13};
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7,
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4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, 3, 10,
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14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, 1, 9, 11,
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10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, 4, 0, 5, 9,
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7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13}; /// Implements the r
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/// table
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/**
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* @brief Implements the r' table
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*/
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static constexpr int r_dash[80] = {
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5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
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6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
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15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
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8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
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12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11};
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5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, 6,
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11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, 15, 5,
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1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, 8, 6, 4,
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1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, 12, 15, 10, 4,
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1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11}; /// Implements the r'
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/// table
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static constexpr int s[80] = {11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14,
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15, 6, 7, 9, 8, 7, 6, 8, 13, 11, 9,
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7, 15, 7, 12, 15, 9, 11, 7, 13, 12, 11,
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13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6,
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5, 12, 7, 5, 11, 12, 14, 15, 14, 15, 9,
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8, 9, 14, 5, 6, 8, 6, 5, 12, 9, 15,
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5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11,
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8, 5, 6}; /// Implements the s table
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/**
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* @brief Implements the s table
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*/
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static constexpr int s[80] = {
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11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
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7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
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11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
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11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
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9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6};
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/**
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* @brief Implements the s' table
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*/
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static constexpr int s_dash[80] = {
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8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
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9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
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9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
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15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
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8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11};
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8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, 9,
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13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, 9, 7,
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15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, 15, 5, 8,
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11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, 8, 5, 12, 9,
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12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11}; /// Implements the s'
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/// table
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/**
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* @brief Implements f(j,B,C,D)

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