DaanSelen
27 lines
516 B
Go
27 lines
516 B
Go
package crypto
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import (
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"crypto/sha512"
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"encoding/hex"
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"io"
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"mime/multipart"
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)
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func CalculateHashFromRequest(fileHeader *multipart.FileHeader) (string, error) {
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src, err := fileHeader.Open()
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if err != nil {
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return "", err
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}
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defer src.Close()
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h := sha512.New()
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if _, err := io.Copy(h, src); err != nil {
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return "", err
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}
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// return the sha checksum in hex
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return hex.EncodeToString(h.Sum(nil)), nil
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// alternatively return in base64
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//return base64.StdEncoding.EncodeToString(h.Sum(nil)), nil
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}
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