diff --git a/auth/center.go b/auth/center.go
index 5400ec46..3ba2e5a3 100644
--- a/auth/center.go
+++ b/auth/center.go
@@ -2,18 +2,15 @@ package auth
 
 import (
 	"bytes"
-	"context"
 	"crypto/ecdsa"
 	"crypto/rsa"
 	"encoding/hex"
+	"fmt"
 	"io/ioutil"
 	"net/http"
 	"regexp"
 	"strings"
-	"time"
 
-	"github.com/aws/aws-sdk-go/aws/credentials"
-	v4 "github.com/aws/aws-sdk-go/aws/signer/v4"
 	"github.com/klauspost/compress/zstd"
 	"github.com/nspcc-dev/neofs-api-go/refs"
 	"github.com/nspcc-dev/neofs-api-go/service"
@@ -100,6 +97,64 @@ func (center *Center) SetUserAuthKeys(key *rsa.PrivateKey) {
 	center.userAuthKeys.PublicKey = &key.PublicKey
 }
 
+func (center *Center) AuthenticationPassed(request *http.Request) (*service.BearerTokenMsg, error) {
+	queryValues := request.URL.Query()
+	if queryValues.Get("X-Amz-Algorithm") == "AWS4-HMAC-SHA256" {
+		return nil, errors.New("pre-signed form of request is not supported")
+	}
+	authHeaderField := request.Header["Authorization"]
+	if len(authHeaderField) != 1 {
+		return nil, errors.New("unsupported request: wrong length of Authorization header field")
+	}
+	sms1 := center.submatcher.getSubmatches(authHeaderField[0])
+	if len(sms1) != 6 {
+		return nil, errors.New("bad Authorization header field")
+	}
+	signedHeaderFieldsNames := strings.Split(sms1["signed_header_fields"], ";")
+	if len(signedHeaderFieldsNames) == 0 {
+		return nil, errors.New("wrong format of signed headers part")
+	}
+	// signatureDateTime, err := time.Parse("20060102T150405Z", request.Header.Get("X-Amz-Date"))
+	// if err != nil {
+	// 	return nil, errors.Wrap(err, "failed to parse x-amz-date header field")
+	// }
+
+	accessKeyID := sms1["access_key_id"]
+	bearerToken, _, err := center.fetchBearerToken(accessKeyID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to fetch bearer token")
+	}
+
+	// Disable verification of S3 signature for arrival of the new auth scheme.
+	/*
+		otherRequest := request.Clone(context.TODO())
+		otherRequest.Header = map[string][]string{}
+		for hfn, hfvs := range request.Header {
+			for _, shfn := range signedHeaderFieldsNames {
+				if strings.EqualFold(hfn, shfn) {
+					otherRequest.Header[hfn] = hfvs
+				}
+			}
+		}
+		awsCreds := credentials.NewStaticCredentials(accessKeyID, secretAccessKey, "")
+		signer := v4.NewSigner(awsCreds)
+		body, err := readAndKeepBody(request)
+		if err != nil {
+			return nil, errors.Wrap(err, "failed to read out request body")
+		}
+		_, err = signer.Sign(otherRequest, body, sms1["service"], sms1["region"], signatureDateTime)
+		if err != nil {
+			return nil, errors.Wrap(err, "failed to sign temporary HTTP request")
+		}
+		sms2 := center.submatcher.getSubmatches(otherRequest.Header.Get("Authorization"))
+		if sms1["v4_signature"] != sms2["v4_signature"] {
+			return nil, errors.Wrap(err, "failed to pass authentication procedure")
+		}
+	*/
+	fmt.Println(bearerToken)
+	return bearerToken, nil
+}
+
 func (center *Center) packBearerToken(bearerToken *service.BearerTokenMsg) (string, string, error) {
 	data, err := bearerToken.Marshal()
 	if err != nil {
@@ -135,56 +190,16 @@ func (center *Center) unpackBearerToken(accessKeyID string) (*service.BearerToke
 	return bearerToken, secretAccessKey, nil
 }
 
-func (center *Center) AuthenticationPassed(request *http.Request) (*service.BearerTokenMsg, error) {
-	queryValues := request.URL.Query()
-	if queryValues.Get("X-Amz-Algorithm") == "AWS4-HMAC-SHA256" {
-		return nil, errors.New("pre-signed form of request is not supported")
-	}
-	authHeaderField := request.Header["Authorization"]
-	if len(authHeaderField) != 1 {
-		return nil, errors.New("unsupported request: wrong length of Authorization header field")
-	}
-	sms1 := center.submatcher.getSubmatches(authHeaderField[0])
-	if len(sms1) != 6 {
-		return nil, errors.New("bad Authorization header field")
-	}
-	signedHeaderFieldsNames := strings.Split(sms1["signed_header_fields"], ";")
-	if len(signedHeaderFieldsNames) == 0 {
-		return nil, errors.New("wrong format of signed headers part")
-	}
-	signatureDateTime, err := time.Parse("20060102T150405Z", request.Header.Get("X-Amz-Date"))
+// FIXME: Reimplement this method right after finilizign a new auth scheme.
+func (center *Center) fetchBearerToken(accessKeyID string) (*service.BearerTokenMsg, string, error) {
+	// TODO: Turn it into getting bearer token from NeoFS node later on.
+	accessKeyID = "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"
+	secretAccessKey := "12775ab859000dd87b3c7586146f465efc73bbbd33ac3b36f2ab2b061df15f7b"
+	bearerToken, _, err := center.unpackBearerToken(accessKeyID)
 	if err != nil {
-		return nil, errors.Wrap(err, "failed to parse x-amz-date header field")
+		return nil, "", errors.Wrap(err, "failed to fetch bearer token")
 	}
-	accessKeyID := sms1["access_key_id"]
-	bearerToken, secretAccessKey, err := center.unpackBearerToken(accessKeyID)
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to unpack bearer token")
-	}
-	otherRequest := request.Clone(context.TODO())
-	otherRequest.Header = map[string][]string{}
-	for hfn, hfvs := range request.Header {
-		for _, shfn := range signedHeaderFieldsNames {
-			if strings.EqualFold(hfn, shfn) {
-				otherRequest.Header[hfn] = hfvs
-			}
-		}
-	}
-	awsCreds := credentials.NewStaticCredentials(accessKeyID, secretAccessKey, "")
-	signer := v4.NewSigner(awsCreds)
-	body, err := readAndKeepBody(request)
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to read out request body")
-	}
-	_, err = signer.Sign(otherRequest, body, sms1["service"], sms1["region"], signatureDateTime)
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to sign temporary HTTP request")
-	}
-	sms2 := center.submatcher.getSubmatches(otherRequest.Header.Get("Authorization"))
-	if sms1["v4_signature"] != sms2["v4_signature"] {
-		return nil, errors.Wrap(err, "failed to pass authentication procedure")
-	}
-	return bearerToken, nil
+	return bearerToken, secretAccessKey, nil
 }
 
 // TODO: Make this write into a smart buffer backed by a file on a fast drive.
diff --git a/cmd/gate/app.go b/cmd/gate/app.go
index bf519d99..256ab67b 100644
--- a/cmd/gate/app.go
+++ b/cmd/gate/app.go
@@ -140,7 +140,7 @@ func newApp(l *zap.Logger, v *viper.Viper) *App {
 			} else if err = os.Setenv(config.EnvSecretKey, wif); err != nil {
 				l.Fatal("could not set "+config.EnvSecretKey, zap.Error(err))
 			}
-			l.Info("used credentials", zap.String("AccessKey", uid.String()), zap.String("SecretKey", wif))
+			l.Info("gate neofs credentials", zap.String("OwnerID", uid.String()), zap.String("WIF", wif))
 		}
 
 		if obj, err = layer.NewLayer(l, cli, center); err != nil {
diff --git a/go.sum b/go.sum
index bb5f39f6..8ee0365c 100644
--- a/go.sum
+++ b/go.sum
@@ -401,6 +401,7 @@ github.com/nspcc-dev/hrw v1.0.8 h1:vwRuJXZXgkMvf473vFzeWGCfY1WBVeSHAEHvR4u3/Cg=
 github.com/nspcc-dev/hrw v1.0.8/go.mod h1:l/W2vx83vMQo6aStyx2AuZrJ+07lGv2JQGlVkPG06MU=
 github.com/nspcc-dev/neofs-api-go v1.2.0 h1:8vovd8hvnoWS4qkSa6rhyMFLFvjLtNKar5vYRodf+y4=
 github.com/nspcc-dev/neofs-api-go v1.2.0/go.mod h1:2tf31g2Ns/Z2ev5d8LZ/9f1VHIeY5LHpDbq4EsDhYM0=
+github.com/nspcc-dev/neofs-api-go v1.3.0 h1:w0wYIXzPJIElwhqahnQw/1NKiHxjRZKJhDUMSbEHmdk=
 github.com/nspcc-dev/neofs-crypto v0.3.0 h1:zlr3pgoxuzrmGCxc5W8dGVfA9Rro8diFvVnBg0L4ifM=
 github.com/nspcc-dev/neofs-crypto v0.3.0/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/netmap v1.7.0 h1:ak64xn/gPdgYw4tsqSSF7kAGQGbEpeuJEF3XwBX4L9Y=