15 lines
259 B
Go
15 lines
259 B
Go
package captcha
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import (
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"crypto/hmac"
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"crypto/sha256"
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"encoding/hex"
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)
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// hmac-sha256 加密
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func hmacEncode(key string, data string) string {
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mac := hmac.New(sha256.New, []byte(key))
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mac.Write([]byte(data))
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return hex.EncodeToString(mac.Sum(nil))
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}
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