fixed the issue that led to correct update but the 404 response code when renaming an existing user to a string with capital letters

vendor/github.com/alexedwards/argon2id/README.md

@@ -56,7 +56,7 @@ If the code is running on a machine with multiple cores, then you can decrease t
 params := &argon2id.Params{
 	Memory:      128 * 1024,
 	Iterations:  4,
-	Parallelism: 4,
+	Parallelism: uint8(runtime.NumCPU()),
 	SaltLength:  16,
 	KeyLength:   32,
 }

vendor/github.com/alexedwards/argon2id/argon2id.go

@@ -12,6 +12,7 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
+	"runtime"
 	"strings"
 
 	"golang.org/x/crypto/argon2"
@@ -45,7 +46,7 @@ var (
 var DefaultParams = &Params{
 	Memory:      64 * 1024,
 	Iterations:  1,
-	Parallelism: 2,
+	Parallelism: uint8(runtime.NumCPU()),
 	SaltLength:  16,
 	KeyLength:   32,
 }

vendor/github.com/libregraph/idm/pkg/ldapserver/filter.go

@@ -148,18 +148,31 @@ func ServerApplyFilter(f *ber.Packet, entry *ldap.Entry) (bool, LDAPResultCode)
 
 func ServerFilterScope(baseDN string, scope int, entry *ldap.Entry) (bool, LDAPResultCode) {
 	// constrained search scope
+	parsedBaseDn, err := ldap.ParseDN(baseDN)
+	if err != nil {
+		return false, ldap.LDAPResultOperationsError
+	}
+	parsedDn, err := ldap.ParseDN(entry.DN)
+	if err != nil {
+		return false, ldap.LDAPResultOperationsError
+	}
 	switch scope {
 	case ldap.ScopeWholeSubtree: // The scope is constrained to the entry named by baseObject and to all its subordinates.
 	case ldap.ScopeBaseObject: // The scope is constrained to the entry named by baseObject.
-		if entry.DN != baseDN {
+		if !parsedDn.EqualFold(parsedBaseDn) {
 			return false, ldap.LDAPResultSuccess
 		}
 	case ldap.ScopeSingleLevel: // The scope is constrained to the immediate subordinates of the entry named by baseObject.
 		parts := strings.Split(entry.DN, ",")
-		if len(parts) < 2 && entry.DN != baseDN {
+		if len(parts) < 2 && !parsedDn.EqualFold(parsedBaseDn) {
 			return false, ldap.LDAPResultSuccess
 		}
-		if dn := strings.Join(parts[1:], ","); dn != baseDN {
+		subDn := strings.Join(parts[1:], ",")
+		parsedSubDn, err := ldap.ParseDN(subDn)
+		if err != nil {
+			return false, ldap.LDAPResultOperationsError
+		}
+		if !parsedSubDn.EqualFold(parsedBaseDn) {
 			return false, ldap.LDAPResultSuccess
 		}
 	}