/
plaintext_variant.go
59 lines (51 loc) · 1.57 KB
/
plaintext_variant.go
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package crypt
// NewPlainTextVariant converts an identifier string to a PlainTextVariant.
func NewPlainTextVariant(identifier string) (variant PlainTextVariant) {
switch identifier {
case AlgorithmPrefixPlainText:
return PlainTextVariantPlainText
case AlgorithmPrefixBase64:
return PlainTextVariantBase64
default:
return PlainTextVariantNone
}
}
// PlainTextVariant is a variant of the PlainTextDigest.
type PlainTextVariant int
const (
// PlainTextVariantNone is a variant of the PlainTextDigest which is unknown.
PlainTextVariantNone PlainTextVariant = iota
// PlainTextVariantPlainText is a variant of the PlainTextDigest which stores the key as plain text.
PlainTextVariantPlainText
// PlainTextVariantBase64 is a variant of the PlainTextDigest which stores the key as a base64 string.
PlainTextVariantBase64
)
// Prefix returns the PlainTextVariant prefix identifier.
func (v PlainTextVariant) Prefix() (prefix string) {
switch v {
case PlainTextVariantPlainText:
return AlgorithmPrefixPlainText
case PlainTextVariantBase64:
return AlgorithmPrefixBase64
default:
return
}
}
// Decode performs the decode operation for this PlainTextVariant.
func (v PlainTextVariant) Decode(src string) (dst []byte, err error) {
switch v {
case PlainTextVariantBase64:
return b64ra.DecodeString(src)
default:
return []byte(src), nil
}
}
// Encode performs the encode operation for this PlainTextVariant.
func (v PlainTextVariant) Encode(src []byte) (dst string) {
switch v {
case PlainTextVariantBase64:
return b64ra.EncodeToString(src)
default:
return string(src)
}
}