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54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
/*
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Copyright (C) 2024 Pagefault Games
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package account
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import (
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"regexp"
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"golang.org/x/crypto/argon2"
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)
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type GenericAuthResponse struct {
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Token string `json:"token"`
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}
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const (
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ArgonTime = 1
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ArgonMemory = 256 * 1024
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ArgonThreads = 4
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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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semaphore = make(chan bool, ArgonMaxInstances)
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)
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func deriveArgon2IDKey(password, salt []byte) []byte {
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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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