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pocketbase/tools/security/crypto.go
2023-08-24 11:25:00 +03:00

42 lines
1.0 KiB
Go

package security
import (
"crypto/md5"
"crypto/sha256"
"crypto/sha512"
"encoding/base64"
"fmt"
"strings"
)
// S256Challenge creates base64 encoded sha256 challenge string derived from code.
// The padding of the result base64 string is stripped per [RFC 7636].
//
// [RFC 7636]: https://datatracker.ietf.org/doc/html/rfc7636#section-4.2
func S256Challenge(code string) string {
h := sha256.New()
h.Write([]byte(code))
return strings.TrimRight(base64.URLEncoding.EncodeToString(h.Sum(nil)), "=")
}
// MD5 creates md5 hash from the provided plain text.
func MD5(text string) string {
h := md5.New()
h.Write([]byte(text))
return fmt.Sprintf("%x", h.Sum(nil))
}
// SHA256 creates sha256 hash as defined in FIPS 180-4 from the provided text.
func SHA256(text string) string {
h := sha256.New()
h.Write([]byte(text))
return fmt.Sprintf("%x", h.Sum(nil))
}
// SHA512 creates sha512 hash as defined in FIPS 180-4 from the provided text.
func SHA512(text string) string {
h := sha512.New()
h.Write([]byte(text))
return fmt.Sprintf("%x", h.Sum(nil))
}