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package jwt
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import (
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"crypto/rand"
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"encoding/hex"
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)
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// ============================== 令牌标识 ==============================
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// newJTI 生成令牌唯一标识
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//
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// 生成 16 字节随机数并转为 32 位十六进制字符串,用作黑名单键;
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// 随机源读取失败时返回固定兜底值
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func newJTI() string {
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b := make([]byte, 16)
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if _, err := rand.Read(b); err != nil {
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return "jti-fallback"
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}
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return hex.EncodeToString(b)
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}
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