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package oidc
import (
"crypto/sha256"
"github.com/zitadel/oidc/v3/pkg/crypto"
)
const (
CodeChallengeMethodPlain CodeChallengeMethod = "plain"
CodeChallengeMethodS256 CodeChallengeMethod = "S256"
)
type CodeChallengeMethod string
type CodeChallenge struct {
Challenge string
Method CodeChallengeMethod
}
func NewSHACodeChallenge(code string) string {
return crypto.HashString(sha256.New(), code, false)
}
func VerifyCodeChallenge(c *CodeChallenge, codeVerifier string) bool {
if c == nil {
return false
}
if c.Method == CodeChallengeMethodS256 {
codeVerifier = NewSHACodeChallenge(codeVerifier)
}
return codeVerifier == c.Challenge
}
|
