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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/github.com/wagslane/go-password-validator/entropy.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/github.com/wagslane/go-password-validator/entropy.go')
-rw-r--r-- | vendor/github.com/wagslane/go-password-validator/entropy.go | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/vendor/github.com/wagslane/go-password-validator/entropy.go b/vendor/github.com/wagslane/go-password-validator/entropy.go deleted file mode 100644 index 340dac270..000000000 --- a/vendor/github.com/wagslane/go-password-validator/entropy.go +++ /dev/null @@ -1,39 +0,0 @@ -package passwordvalidator - -import ( - "math" -) - -// GetEntropy returns the entropy in bits for the given password -// See the ReadMe for more information -func GetEntropy(password string) float64 { - return getEntropy(password) -} - -func getEntropy(password string) float64 { - base := getBase(password) - length := getLength(password) - - // calculate log2(base^length) - return logPow(float64(base), length, 2) -} - -func logX(base, n float64) float64 { - if base == 0 { - return 0 - } - // change of base formulae - return math.Log2(n) / math.Log2(base) -} - -// logPow calculates log_base(x^y) -// without leaving logspace for each multiplication step -// this makes it take less space in memory -func logPow(expBase float64, pow int, logBase float64) float64 { - // logb (MN) = logb M + logb N - total := 0.0 - for i := 0; i < pow; i++ { - total += logX(logBase, expBase) - } - return total -} |