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forgejo/models/migrations/base/hash.go
Jason Song 9607750b5e
Replace fmt.Sprintf with hex.EncodeToString (#21960)
`hex.EncodeToString` has better performance than `fmt.Sprintf("%x",
[]byte)`, we should use it as much as possible.

I'm not an extreme fan of performance, so I think there are some
exceptions:

- `fmt.Sprintf("%x", func(...)[N]byte())`
- We can't slice the function return value directly, and it's not worth
adding lines.
    ```diff
    func A()[20]byte { ... }
    - a := fmt.Sprintf("%x", A())
    - a := hex.EncodeToString(A()[:]) // invalid
    + tmp := A()
    + a := hex.EncodeToString(tmp[:])
    ```
- `fmt.Sprintf("%X", []byte)`
- `strings.ToUpper(hex.EncodeToString(bytes))` has even worse
performance.
2022-11-28 11:19:18 +00:00

16 lines
340 B
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"crypto/sha256"
"encoding/hex"
"golang.org/x/crypto/pbkdf2"
)
func HashToken(token, salt string) string {
tempHash := pbkdf2.Key([]byte(token), []byte(salt), 10000, 50, sha256.New)
return hex.EncodeToString(tempHash)
}