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@ -2,7 +2,6 @@ package account
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import (
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"regexp"
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"sync"
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"golang.org/x/crypto/argon2"
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)
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@ -18,18 +17,20 @@ const (
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ArgonKeySize = 32
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ArgonSaltSize = 16
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ArgonMaxInstances = 16
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UUIDSize = 16
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TokenSize = 32
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)
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var (
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isValidUsername = regexp.MustCompile(`^\w{1,16}$`).MatchString
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argonMtx sync.Mutex
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semaphore = make(chan bool, ArgonMaxInstances)
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)
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func deriveArgon2IDKey(password, salt []byte) []byte {
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argonMtx.Lock()
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defer argonMtx.Unlock()
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semaphore <- true
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defer func() { <-semaphore }()
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return argon2.IDKey(password, salt, ArgonTime, ArgonMemory, ArgonThreads, ArgonKeySize)
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}
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