From df9bd8d82f9e2ce8732302136f775b4c7783c7b8 Mon Sep 17 00:00:00 2001 From: Shree Harish S Date: Tue, 22 Oct 2024 19:42:09 +0530 Subject: [PATCH] modified comments for tables --- hashing/ripemd_160.cpp | 61 +++++++++++++++++++----------------------- 1 file changed, 27 insertions(+), 34 deletions(-) diff --git a/hashing/ripemd_160.cpp b/hashing/ripemd_160.cpp index 70a8f0b0d6..d8a46d0e22 100644 --- a/hashing/ripemd_160.cpp +++ b/hashing/ripemd_160.cpp @@ -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)