mirror of
https://github.com/Rain-kl/OpenFlare.git
synced 2026-09-29 22:06:38 +08:00
ryan
30 lines
703 B
Go
30 lines
703 B
Go
// Copyright 2025 linux.do
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// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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package util
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"io"
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"github.com/google/uuid"
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)
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// uniqueIDBytes 生成唯一 ID 所需的随机字节长度
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const uniqueIDBytes = 32
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// GenerateUniqueIDSimple 生成 64 位唯一标识符
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func GenerateUniqueIDSimple() string {
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randomBytes := make([]byte, uniqueIDBytes)
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if _, err := io.ReadFull(rand.Reader, randomBytes); err != nil {
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// 如果随机数生成失败，使用 UUID 作为后备
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uuidBytes := []byte(uuid.NewString())
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hash := sha256.Sum256(uuidBytes)
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copy(randomBytes, hash[:])
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}
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return hex.EncodeToString(randomBytes)
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}
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