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crypto: implement md5, which now used by sprof

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This commit is contained in:
Michael Scire 2021-10-25 23:15:50 -07:00
parent 9cc6be4d57
commit a14dc6ed89
9 changed files with 431 additions and 5 deletions
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18
libraries/libvapours/include/vapours/util/util_bitutil.hpp
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@ -256,7 +256,7 @@ namespace ams::util {
}
template<typename T, T N, T D>
constexpr ALWAYS_INLINE T ScaleByConstantFactor(const T V) {
constexpr ALWAYS_INLINE T ScaleByConstantFactorUp(const T V) {
/* Multiplying and dividing by large numerator/denominator can cause error to be introduced. */
/* This algorithm multiples/divides in stages, so as to mitigate this (particularly with large denominator). */
@ -279,4 +279,20 @@ namespace ams::util {
return (D * Quot_N * Quot_V) + (Quot_V * Rem_N) + (Rem_V * Quot_N) + rem_mult;
}
template<std::integral T>
constexpr ALWAYS_INLINE T RotateLeft(T v, int n) {
using Unsigned = typename std::make_unsigned<T>::type;
static_assert(sizeof(Unsigned) == sizeof(T));
return static_cast<T>(std::rotl<Unsigned>(static_cast<Unsigned>(v), n));
}
template<std::integral T>
constexpr ALWAYS_INLINE T RotateRight(T v, int n) {
using Unsigned = typename std::make_unsigned<T>::type;
static_assert(sizeof(Unsigned) == sizeof(T));
return static_cast<T>(std::rotr<Unsigned>(static_cast<Unsigned>(v), n));
}
}