refactor: any (#4133)

* refactor: any

* refactor: fix test

cmd/authelia-gen/cmd_docs_date.go

@@ -79,7 +79,7 @@ func docsDateRunE(cmd *cobra.Command, args []string) (err error) {
 			return nil
 		}
 
-		frontmatter := map[string]interface{}{}
+		frontmatter := map[string]any{}
 
 		if err = yaml.Unmarshal(frontmatterBytes, frontmatter); err != nil {
 			return err

cmd/authelia-scripts/cmd/bootstrap.go

@@ -168,8 +168,8 @@ func pnpmInstall() {
 	shell(fmt.Sprintf("cd %s/web && pnpm install", cwd))
 }
 
-func bootstrapPrintln(args ...interface{}) {
+func bootstrapPrintln(args ...any) {
-	a := make([]interface{}, 0)
+	a := make([]any, 0)
 	a = append(a, "[BOOTSTRAP]")
 	a = append(a, args...)
 	fmt.Println(a...)

cmd/authelia-scripts/cmd/types.go

@@ -21,7 +21,7 @@ type DockerImages []DockerImage
 // DockerImage represents some of the data from the docker images API.
 type DockerImage struct {
 	Architecture string `json:"architecture"`
-	Variant      interface{} `json:"variant"`
+	Variant      any    `json:"variant"`
 	Digest       string `json:"digest"`
 	OS           string `json:"os"`
 }

internal/authentication/ldap_user_provider_test.go

@@ -140,7 +140,7 @@ func NewExtendedSearchRequestMatcher(filter, base string, scope, derefAliases in
 	return &ExtendedSearchRequestMatcher{filter, base, scope, derefAliases, typesOnly, attributes}
 }
 
-func (e *ExtendedSearchRequestMatcher) Matches(x interface{}) bool {
+func (e *ExtendedSearchRequestMatcher) Matches(x any) bool {
 	sr := x.(*ldap.SearchRequest)
 
 	if e.filter != sr.Filter || e.baseDN != sr.BaseDN || e.scope != sr.Scope || e.derefAliases != sr.DerefAliases ||
@@ -502,7 +502,7 @@ func NewSearchRequestMatcher(expected string) *SearchRequestMatcher {
 	return &SearchRequestMatcher{expected}
 }
 
-func (srm *SearchRequestMatcher) Matches(x interface{}) bool {
+func (srm *SearchRequestMatcher) Matches(x any) bool {
 	sr := x.(*ldap.SearchRequest)
 	return sr.Filter == srm.expected
 }

internal/commands/crypto.go

@@ -235,7 +235,7 @@ func newCryptoGenerateCmd(category, algorithm string) (cmd *cobra.Command) {
 
 func cryptoGenerateRunE(cmd *cobra.Command, args []string) (err error) {
 	var (
-		privateKey interface{}
+		privateKey any
 	)
 
 	if privateKey, err = cryptoGenPrivateKeyFromCmd(cmd); err != nil {
@@ -251,7 +251,7 @@ func cryptoGenerateRunE(cmd *cobra.Command, args []string) (err error) {
 
 func cryptoCertificateRequestRunE(cmd *cobra.Command, _ []string) (err error) {
 	var (
-		privateKey interface{}
+		privateKey any
 	)
 
 	if privateKey, err = cryptoGenPrivateKeyFromCmd(cmd); err != nil {
@@ -320,10 +320,10 @@ func cryptoCertificateRequestRunE(cmd *cobra.Command, _ []string) (err error) {
 	return nil
 }
 
-func cryptoCertificateGenerateRunE(cmd *cobra.Command, _ []string, privateKey interface{}) (err error) {
+func cryptoCertificateGenerateRunE(cmd *cobra.Command, _ []string, privateKey any) (err error) {
 	var (
 		template, caCertificate, parent       *x509.Certificate
-		publicKey, caPrivateKey, signatureKey interface{}
+		publicKey, caPrivateKey, signatureKey any
 	)
 
 	if publicKey = utils.PublicKeyFromPrivateKey(privateKey); publicKey == nil {
@@ -412,7 +412,7 @@ func cryptoCertificateGenerateRunE(cmd *cobra.Command, _ []string, privateKey in
 	return nil
 }
 
-func cryptoPairGenerateRunE(cmd *cobra.Command, _ []string, privateKey interface{}) (err error) {
+func cryptoPairGenerateRunE(cmd *cobra.Command, _ []string, privateKey any) (err error) {
 	var (
 		privateKeyPath, publicKeyPath string
 		pkcs8                         bool
@@ -451,7 +451,7 @@ func cryptoPairGenerateRunE(cmd *cobra.Command, _ []string, privateKey interface
 		return err
 	}
 
-	var publicKey interface{}
+	var publicKey any
 
 	if publicKey = utils.PublicKeyFromPrivateKey(privateKey); publicKey == nil {
 		return fmt.Errorf("failed to obtain public key from private key")

internal/commands/crypto_helper.go

@@ -130,7 +130,7 @@ func cryptoGetWritePathsFromCmd(cmd *cobra.Command) (privateKey, publicKey strin
 	return filepath.Join(dir, private), filepath.Join(dir, public), nil
 }
 
-func cryptoGenPrivateKeyFromCmd(cmd *cobra.Command) (privateKey interface{}, err error) {
+func cryptoGenPrivateKeyFromCmd(cmd *cobra.Command) (privateKey any, err error) {
 	switch cmd.Parent().Use {
 	case cmdUseRSA:
 		var (
@@ -170,7 +170,7 @@ func cryptoGenPrivateKeyFromCmd(cmd *cobra.Command) (privateKey interface{}, err
 	return privateKey, nil
 }
 
-func cryptoGetCAFromCmd(cmd *cobra.Command) (privateKey interface{}, cert *x509.Certificate, err error) {
+func cryptoGetCAFromCmd(cmd *cobra.Command) (privateKey any, cert *x509.Certificate, err error) {
 	if !cmd.Flags().Changed(cmdFlagNamePathCA) {
 		return nil, nil, nil
 	}
@@ -180,7 +180,7 @@ func cryptoGetCAFromCmd(cmd *cobra.Command) (privateKey interface{}, cert *x509.
 
 		ok bool
 
-		certificate interface{}
+		certificate any
 	)
 
 	if dir, err = cmd.Flags().GetString(cmdFlagNamePathCA); err != nil {

internal/commands/util.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 )
 
-func recoverErr(i interface{}) error {
+func recoverErr(i any) error {
 	switch v := i.(type) {
 	case nil:
 		return nil

internal/configuration/decode_hooks.go

@@ -19,7 +19,7 @@ import (
 
 // StringToMailAddressHookFunc decodes a string into a mail.Address or *mail.Address.
 func StringToMailAddressHookFunc() mapstructure.DecodeHookFuncType {
-	return func(f reflect.Type, t reflect.Type, data interface{}) (value interface{}, err error) {
+	return func(f reflect.Type, t reflect.Type, data any) (value any, err error) {
 		var ptr bool
 
 		if f.Kind() != reflect.String {
@@ -65,7 +65,7 @@ func StringToMailAddressHookFunc() mapstructure.DecodeHookFuncType {
 
 // StringToURLHookFunc converts string types into a url.URL or *url.URL.
 func StringToURLHookFunc() mapstructure.DecodeHookFuncType {
-	return func(f reflect.Type, t reflect.Type, data interface{}) (value interface{}, err error) {
+	return func(f reflect.Type, t reflect.Type, data any) (value any, err error) {
 		var ptr bool
 
 		if f.Kind() != reflect.String {
@@ -111,7 +111,7 @@ func StringToURLHookFunc() mapstructure.DecodeHookFuncType {
 
 // ToTimeDurationHookFunc converts string and integer types to a time.Duration.
 func ToTimeDurationHookFunc() mapstructure.DecodeHookFuncType {
-	return func(f reflect.Type, t reflect.Type, data interface{}) (value interface{}, err error) {
+	return func(f reflect.Type, t reflect.Type, data any) (value any, err error) {
 		var ptr bool
 
 		switch f.Kind() {
@@ -172,7 +172,7 @@ func ToTimeDurationHookFunc() mapstructure.DecodeHookFuncType {
 
 // StringToRegexpHookFunc decodes a string into a *regexp.Regexp or regexp.Regexp.
 func StringToRegexpHookFunc() mapstructure.DecodeHookFuncType {
-	return func(f reflect.Type, t reflect.Type, data interface{}) (value interface{}, err error) {
+	return func(f reflect.Type, t reflect.Type, data any) (value any, err error) {
 		var ptr bool
 
 		if f.Kind() != reflect.String {
@@ -218,7 +218,7 @@ func StringToRegexpHookFunc() mapstructure.DecodeHookFuncType {
 
 // StringToAddressHookFunc decodes a string into an Address or *Address.
 func StringToAddressHookFunc() mapstructure.DecodeHookFuncType {
-	return func(f reflect.Type, t reflect.Type, data interface{}) (value interface{}, err error) {
+	return func(f reflect.Type, t reflect.Type, data any) (value any, err error) {
 		var ptr bool
 
 		if f.Kind() != reflect.String {
@@ -258,7 +258,7 @@ func StringToAddressHookFunc() mapstructure.DecodeHookFuncType {
 
 // StringToX509CertificateHookFunc decodes strings to x509.Certificate's.
 func StringToX509CertificateHookFunc() mapstructure.DecodeHookFuncType {
-	return func(f reflect.Type, t reflect.Type, data interface{}) (value interface{}, err error) {
+	return func(f reflect.Type, t reflect.Type, data any) (value interface{}, err error) {
 		if f.Kind() != reflect.String {
 			return data, nil
 		}

internal/configuration/decode_hooks_test.go

@@ -993,8 +993,8 @@ func TestStringToX509CertificateHookFunc(t *testing.T) {
 
 	testCases := []struct {
 		desc   string
-		have   interface{}
+		have   any
-		want   interface{}
+		want   any
 		err    string
 		decode bool
 	}{
@@ -1069,8 +1069,8 @@ func TestStringToX509CertificateChainHookFunc(t *testing.T) {
 
 	testCases := []struct {
 		desc      string
-		have      interface{}
+		have      any
-		expected  interface{}
+		expected  any
 		err, verr string
 		decode    bool
 	}{

internal/configuration/deprecation.go

@@ -10,7 +10,7 @@ type Deprecation struct {
 	Key     string
 	NewKey  string
 	AutoMap bool
-	MapFunc func(value interface{}) interface{}
+	MapFunc func(value any) any
 	ErrText string
 }
 

internal/configuration/koanf_callbacks.go

@@ -11,8 +11,8 @@ import (
 )
 
 // koanfEnvironmentCallback returns a koanf callback to map the environment vars to Configuration keys.
-func koanfEnvironmentCallback(keyMap map[string]string, ignoredKeys []string, prefix, delimiter string) func(key, value string) (finalKey string, finalValue interface{}) {
+func koanfEnvironmentCallback(keyMap map[string]string, ignoredKeys []string, prefix, delimiter string) func(key, value string) (finalKey string, finalValue any) {
-	return func(key, value string) (finalKey string, finalValue interface{}) {
+	return func(key, value string) (finalKey string, finalValue any) {
 		if k, ok := keyMap[key]; ok {
 			return k, value
 		}
@@ -33,8 +33,8 @@ func koanfEnvironmentCallback(keyMap map[string]string, ignoredKeys []string, pr
 }
 
 // koanfEnvironmentSecretsCallback returns a koanf callback to map the environment vars to Configuration keys.
-func koanfEnvironmentSecretsCallback(keyMap map[string]string, validator *schema.StructValidator) func(key, value string) (finalKey string, finalValue interface{}) {
+func koanfEnvironmentSecretsCallback(keyMap map[string]string, validator *schema.StructValidator) func(key, value string) (finalKey string, finalValue any) {
-	return func(key, value string) (finalKey string, finalValue interface{}) {
+	return func(key, value string) (finalKey string, finalValue any) {
 		k, ok := keyMap[key]
 		if !ok {
 			return "", nil
@@ -50,8 +50,8 @@ func koanfEnvironmentSecretsCallback(keyMap map[string]string, validator *schema
 	}
 }
 
-func koanfCommandLineWithMappingCallback(mapping map[string]string, includeValidKeys, includeUnchangedKeys bool) func(flag *pflag.Flag) (string, interface{}) {
+func koanfCommandLineWithMappingCallback(mapping map[string]string, includeValidKeys, includeUnchangedKeys bool) func(flag *pflag.Flag) (string, any) {
-	return func(flag *pflag.Flag) (string, interface{}) {
+	return func(flag *pflag.Flag) (string, any) {
 		if !includeUnchangedKeys && !flag.Changed {
 			return "", nil
 		}

internal/configuration/koanf_callbacks_test.go

@@ -16,7 +16,7 @@ import (
 func TestKoanfEnvironmentCallback(t *testing.T) {
 	var (
 		key   string
-		value interface{}
+		value any
 	)
 
 	keyMap := map[string]string{
@@ -46,7 +46,7 @@ func TestKoanfEnvironmentCallback(t *testing.T) {
 func TestKoanfSecretCallbackWithValidSecrets(t *testing.T) {
 	var (
 		key   string
-		value interface{}
+		value any
 	)
 
 	keyMap := map[string]string{

internal/configuration/koanf_util.go

@@ -15,13 +15,13 @@ func koanfGetKeys(ko *koanf.Koanf) (keys []string) {
 	keys = ko.Keys()
 
 	for key, value := range ko.All() {
-		slc, ok := value.([]interface{})
+		slc, ok := value.([]any)
 		if !ok {
 			continue
 		}
 
 		for _, item := range slc {
-			m, mok := item.(map[string]interface{})
+			m, mok := item.(map[string]any)
 			if !mok {
 				continue
 			}
@@ -53,7 +53,7 @@ func koanfRemapKeys(val *schema.StructValidator, ko *koanf.Koanf, ds map[string]
 	return final, nil
 }
 
-func koanfRemapKeysStandard(keys map[string]interface{}, val *schema.StructValidator, ds map[string]Deprecation) (keysFinal map[string]interface{}) {
+func koanfRemapKeysStandard(keys map[string]any, val *schema.StructValidator, ds map[string]Deprecation) (keysFinal map[string]interface{}) {
 	var (
 		ok    bool
 		d     Deprecation

internal/configuration/provider.go

@@ -19,7 +19,7 @@ func Load(val *schema.StructValidator, sources ...Source) (keys []string, config
 }
 
 // LoadAdvanced is intended to give more flexibility over loading a particular path to a specific interface.
-func LoadAdvanced(val *schema.StructValidator, path string, result interface{}, sources ...Source) (keys []string, err error) {
+func LoadAdvanced(val *schema.StructValidator, path string, result any, sources ...Source) (keys []string, err error) {
 	if val == nil {
 		return keys, errNoValidator
 	}
@@ -44,7 +44,7 @@ func LoadAdvanced(val *schema.StructValidator, path string, result interface{},
 	return koanfGetKeys(final), nil
 }
 
-func mapHasKey(k string, m map[string]interface{}) bool {
+func mapHasKey(k string, m map[string]any) bool {
 	if _, ok := m[k]; ok {
 		return true
 	}
@@ -52,7 +52,7 @@ func mapHasKey(k string, m map[string]interface{}) bool {
 	return false
 }
 
-func unmarshal(ko *koanf.Koanf, val *schema.StructValidator, path string, o interface{}) {
+func unmarshal(ko *koanf.Koanf, val *schema.StructValidator, path string, o any) {
 	c := koanf.UnmarshalConf{
 		DecoderConfig: &mapstructure.DecoderConfig{
 			DecodeHook: mapstructure.ComposeDecodeHookFunc(

internal/configuration/sources.go

@@ -145,8 +145,8 @@ func (s *CommandLineSource) Load(_ *schema.StructValidator) (err error) {
 	return s.koanf.Load(posflag.Provider(s.flags, ".", s.koanf), nil)
 }
 
-// NewMapSource returns a new map[string]interface{} source.
+// NewMapSource returns a new map[string]any source.
-func NewMapSource(m map[string]interface{}) (source *MapSource) {
+func NewMapSource(m map[string]any) (source *MapSource) {
 	return &MapSource{
 		m:     m,
 		koanf: koanf.New(constDelimiter),

internal/configuration/types.go

@@ -38,11 +38,11 @@ type SecretsSource struct {
 type CommandLineSource struct {
 	koanf    *koanf.Koanf
 	flags    *pflag.FlagSet
-	callback func(flag *pflag.Flag) (string, interface{})
+	callback func(flag *pflag.Flag) (string, any)
 }
 
 // MapSource loads configuration from the command line flags.
 type MapSource struct {
-	m     map[string]interface{}
+	m     map[string]any
 	koanf *koanf.Koanf
 }

internal/handlers/handler_sign_webauthn.go

@@ -41,7 +41,7 @@ func WebauthnAssertionGET(ctx *middlewares.AutheliaCtx) {
 		webauthn.WithAllowedCredentials(user.WebAuthnCredentialDescriptors()),
 	}
 
-	extensions := make(map[string]interface{})
+	extensions := map[string]any{}
 
 	if user.HasFIDOU2F() {
 		extensions["appid"] = w.Config.RPOrigin

internal/handlers/oidc.go

@@ -8,8 +8,8 @@ import (
 	"github.com/authelia/authelia/v4/internal/session"
 )
 
-func oidcGrantRequests(ar fosite.AuthorizeRequester, consent *model.OAuth2ConsentSession, userSession *session.UserSession) (extraClaims map[string]interface{}) {
+func oidcGrantRequests(ar fosite.AuthorizeRequester, consent *model.OAuth2ConsentSession, userSession *session.UserSession) (extraClaims map[string]any) {
-	extraClaims = map[string]interface{}{}
+	extraClaims = map[string]any{}
 
 	for _, scope := range consent.GrantedScopes {
 		if ar != nil {

internal/middlewares/authelia_context.go

@@ -95,7 +95,7 @@ func (ctx *AutheliaCtx) ReplyStatusCode(statusCode int) {
 }
 
 // ReplyJSON writes a JSON response.
-func (ctx *AutheliaCtx) ReplyJSON(data interface{}, statusCode int) (err error) {
+func (ctx *AutheliaCtx) ReplyJSON(data any, statusCode int) (err error) {
 	var (
 		body []byte
 	)
@@ -246,7 +246,7 @@ func (ctx *AutheliaCtx) ReplyOK() {
 }
 
 // ParseBody parse the request body into the type of value.
-func (ctx *AutheliaCtx) ParseBody(value interface{}) error {
+func (ctx *AutheliaCtx) ParseBody(value any) error {
 	err := json.Unmarshal(ctx.PostBody(), &value)
 
 	if err != nil {
@@ -267,7 +267,7 @@ func (ctx *AutheliaCtx) ParseBody(value interface{}) error {
 }
 
 // SetJSONBody Set json body.
-func (ctx *AutheliaCtx) SetJSONBody(value interface{}) error {
+func (ctx *AutheliaCtx) SetJSONBody(value any) error {
 	return ctx.ReplyJSON(OKResponse{Status: "OK", Data: value}, 0)
 }
 

internal/middlewares/identity_verification.go

@@ -132,7 +132,7 @@ func IdentityVerificationFinish(args IdentityVerificationFinishArgs, next func(c
 		}
 
 		token, err := jwt.ParseWithClaims(finishBody.Token, &model.IdentityVerificationClaim{},
-			func(token *jwt.Token) (interface{}, error) {
+			func(token *jwt.Token) (any, error) {
 				return []byte(ctx.Configuration.JWTSecret), nil
 			})
 

internal/middlewares/types.go

@@ -109,7 +109,7 @@ type IdentityVerificationFinishBody struct {
 // OKResponse model of a status OK response.
 type OKResponse struct {
 	Status string `json:"status"`
-	Data   interface{} `json:"data,omitempty"`
+	Data   any    `json:"data,omitempty"`
 }
 
 // ErrorResponse model of an error response.

internal/model/oidc.go

@@ -227,7 +227,7 @@ type OpenIDSession struct {
 	ChallengeID uuid.UUID `db:"challenge_id"`
 	ClientID    string
 
-	Extra map[string]interface{} `json:"extra"`
+	Extra map[string]any `json:"extra"`
 }
 
 // Clone copies the OpenIDSession to a new fosite.Session.

internal/model/types.go

@@ -49,7 +49,7 @@ func (ip IP) Value() (value driver.Value, err error) {
 }
 
 // Scan is the IP implementation of the sql.Scanner.
-func (ip *IP) Scan(src interface{}) (err error) {
+func (ip *IP) Scan(src any) (err error) {
 	if src == nil {
 		return fmt.Errorf(errFmtScanNil, ip)
 	}
@@ -85,7 +85,7 @@ func (ip NullIP) Value() (value driver.Value, err error) {
 }
 
 // Scan is the NullIP implementation of the sql.Scanner.
-func (ip *NullIP) Scan(src interface{}) (err error) {
+func (ip *NullIP) Scan(src any) (err error) {
 	if src == nil {
 		ip.IP = nil
 		return nil
@@ -128,7 +128,7 @@ func (b Base64) Value() (value driver.Value, err error) {
 }
 
 // Scan is the Base64 implementation of the sql.Scanner.
-func (b *Base64) Scan(src interface{}) (err error) {
+func (b *Base64) Scan(src any) (err error) {
 	if src == nil {
 		return fmt.Errorf(errFmtScanNil, b)
 	}
@@ -158,7 +158,7 @@ type StartupCheck interface {
 type StringSlicePipeDelimited []string
 
 // Scan is the StringSlicePipeDelimited implementation of the sql.Scanner.
-func (s *StringSlicePipeDelimited) Scan(value interface{}) (err error) {
+func (s *StringSlicePipeDelimited) Scan(value any) (err error) {
 	var nullStr sql.NullString
 
 	if err = nullStr.Scan(value); err != nil {

internal/oidc/types_test.go

@@ -44,7 +44,7 @@ func TestNewSessionWithAuthorizeRequest(t *testing.T) {
 		},
 	}
 
-	extra := map[string]interface{}{
+	extra := map[string]any{
 		"preferred_username": "john",
 	}
 

internal/utils/crypto.go

@@ -122,7 +122,7 @@ func ConvertDERToPEM(der []byte, blockType PEMBlockType) ([]byte, error) {
 	return buf.Bytes(), nil
 }
 
-func publicKey(privateKey interface{}) interface{} {
+func publicKey(privateKey any) any {
 	switch k := privateKey.(type) {
 	case *rsa.PrivateKey:
 		return &k.PublicKey
@@ -137,7 +137,7 @@ func publicKey(privateKey interface{}) interface{} {
 
 // PrivateKeyBuilder interface for a private key builder.
 type PrivateKeyBuilder interface {
-	Build() (interface{}, error)
+	Build() (any, error)
 }
 
 // RSAKeyBuilder builder of RSA private key.
@@ -152,7 +152,7 @@ func (rkb RSAKeyBuilder) WithKeySize(bits int) RSAKeyBuilder {
 }
 
 // Build a RSA private key.
-func (rkb RSAKeyBuilder) Build() (interface{}, error) {
+func (rkb RSAKeyBuilder) Build() (any, error) {
 	return rsa.GenerateKey(rand.Reader, rkb.keySizeInBits)
 }
 
@@ -160,7 +160,7 @@ func (rkb RSAKeyBuilder) Build() (interface{}, error) {
 type Ed25519KeyBuilder struct{}
 
 // Build an Ed25519 private key.
-func (ekb Ed25519KeyBuilder) Build() (interface{}, error) {
+func (ekb Ed25519KeyBuilder) Build() (any, error) {
 	_, priv, err := ed25519.GenerateKey(rand.Reader)
 	return priv, err
 }
@@ -177,7 +177,7 @@ func (ekb ECDSAKeyBuilder) WithCurve(curve elliptic.Curve) ECDSAKeyBuilder {
 }
 
 // Build an ECDSA private key.
-func (ekb ECDSAKeyBuilder) Build() (interface{}, error) {
+func (ekb ECDSAKeyBuilder) Build() (any, error) {
 	return ecdsa.GenerateKey(ekb.curve, rand.Reader)
 }
 
@@ -213,7 +213,7 @@ func ParseX509FromPEM(data []byte) (key any, err error) {
 }
 
 // CastX509AsCertificate converts an interface to an *x509.Certificate.
-func CastX509AsCertificate(c interface{}) (certificate *x509.Certificate, ok bool) {
+func CastX509AsCertificate(c any) (certificate *x509.Certificate, ok bool) {
 	switch t := c.(type) {
 	case x509.Certificate:
 		return &t, true
@@ -225,7 +225,7 @@ func CastX509AsCertificate(c interface{}) (certificate *x509.Certificate, ok boo
 }
 
 // IsX509PrivateKey returns true if the provided interface is an rsa.PrivateKey, ecdsa.PrivateKey, or ed25519.PrivateKey.
-func IsX509PrivateKey(i interface{}) bool {
+func IsX509PrivateKey(i any) bool {
 	switch i.(type) {
 	case rsa.PrivateKey, *rsa.PrivateKey, ecdsa.PrivateKey, *ecdsa.PrivateKey, ed25519.PrivateKey, *ed25519.PrivateKey:
 		return true
@@ -328,7 +328,7 @@ func WriteCertificateBytesToPEM(cert []byte, path string, csr bool) (err error)
 }
 
 // WriteKeyToPEM writes a key that can be encoded as a PEM to a file in the PEM format.
-func WriteKeyToPEM(key interface{}, path string, pkcs8 bool) (err error) {
+func WriteKeyToPEM(key any, path string, pkcs8 bool) (err error) {
 	pemBlock, err := PEMBlockFromX509Key(key, pkcs8)
 	if err != nil {
 		return err
@@ -349,7 +349,7 @@ func WriteKeyToPEM(key interface{}, path string, pkcs8 bool) (err error) {
 }
 
 // PEMBlockFromX509Key turns a PublicKey or PrivateKey into a pem.Block.
-func PEMBlockFromX509Key(key interface{}, pkcs8 bool) (pemBlock *pem.Block, err error) {
+func PEMBlockFromX509Key(key any, pkcs8 bool) (pemBlock *pem.Block, err error) {
 	var (
 		data      []byte
 		blockType string
@@ -491,7 +491,7 @@ func EllipticCurveFromString(curveString string) (curve elliptic.Curve) {
 }
 
 // PublicKeyFromPrivateKey returns a PublicKey when provided with a PrivateKey.
-func PublicKeyFromPrivateKey(privateKey interface{}) (publicKey interface{}) {
+func PublicKeyFromPrivateKey(privateKey any) (publicKey any) {
 	switch k := privateKey.(type) {
 	case *rsa.PrivateKey:
 		return &k.PublicKey