diff --git a/api/handler/attributes.go b/api/handler/attributes.go
index 3710675..b19b15d 100644
--- a/api/handler/attributes.go
+++ b/api/handler/attributes.go
@@ -216,7 +216,7 @@ func formUploadAttributes(info *data.ObjectInfo, maxParts, marker int) (*ObjectP
 	for i, p := range partInfos {
 		part, err := layer.ParseCompletedPartHeader(p)
 		if err != nil {
-			return nil, fmt.Errorf("invalid competed part: %w", err)
+			return nil, fmt.Errorf("invalid completed part: %w", err)
 		}
 		parts[i] = Part{
 			PartNumber:     part.PartNumber,
diff --git a/api/layer/encryption/encryption.go b/api/layer/encryption/encryption.go
index f035ae0..1b71b73 100644
--- a/api/layer/encryption/encryption.go
+++ b/api/layer/encryption/encryption.go
@@ -54,8 +54,8 @@ type Decrypter struct {
 	decLen    uint64
 	skipLen   uint64
 
-	ln  uint64
-	off uint64
+	length uint64
+	offset uint64
 }
 
 const (
@@ -197,12 +197,12 @@ func (d Decrypter) DecryptedLength() uint64 {
 
 // EncryptedLength is size of encrypted data that should be read for successful decryption.
 func (d Decrypter) EncryptedLength() uint64 {
-	return d.ln
+	return d.length
 }
 
 // EncryptedOffset is offset of encrypted payload for successful decryption.
 func (d Decrypter) EncryptedOffset() uint64 {
-	return d.off
+	return d.offset
 }
 
 func (d *Decrypter) initRangeParams() {
@@ -210,7 +210,7 @@ func (d *Decrypter) initRangeParams() {
 	d.encPartRangeLen = d.parts[d.currentPart].encryptedSize
 	if d.rangeParam == nil {
 		d.decLen = d.partDataRemain
-		d.ln = d.encPartRangeLen
+		d.length = d.encPartRangeLen
 		return
 	}
 
@@ -230,7 +230,7 @@ func (d *Decrypter) initRangeParams() {
 	d.skipLen = (start - sum) % blockSize
 	d.seqNumber = (start - sum) / blockSize
 	encOffPart := d.seqNumber * fullBlockSize
-	d.off = encSum + encOffPart
+	d.offset = encSum + encOffPart
 	d.encPartRangeLen = d.encPartRangeLen - encOffPart
 	d.partDataRemain = d.partDataRemain + sum - start
 
@@ -252,11 +252,11 @@ func (d *Decrypter) initRangeParams() {
 	if endPartEnc < endEnc {
 		endEnc = endPartEnc
 	}
-	d.ln = endEnc - d.off
+	d.length = endEnc - d.offset
 	d.decLen = end - start + 1
 
-	if d.ln < d.encPartRangeLen {
-		d.encPartRangeLen = d.ln
+	if d.length < d.encPartRangeLen {
+		d.encPartRangeLen = d.length
 	}
 	if d.decLen < d.partDataRemain {
 		d.partDataRemain = d.decLen
diff --git a/api/layer/encryption/encryption_test.go b/api/layer/encryption/encryption_test.go
index 7371870..a66a86a 100644
--- a/api/layer/encryption/encryption_test.go
+++ b/api/layer/encryption/encryption_test.go
@@ -106,8 +106,8 @@ func TestDecrypterInitParams(t *testing.T) {
 			decReader.initRangeParams()
 			require.Equal(t, tc.expSkipLen, decReader.skipLen)
 			require.Equal(t, tc.expDecLen, decReader.decLen)
-			require.Equal(t, tc.expLn, decReader.ln)
-			require.Equal(t, tc.expOff, decReader.off)
+			require.Equal(t, tc.expLn, decReader.length)
+			require.Equal(t, tc.expOff, decReader.offset)
 			require.Equal(t, tc.expDataRemain, decReader.partDataRemain)
 			require.Equal(t, tc.expEncPartRange, decReader.encPartRangeLen)
 			require.Equal(t, tc.expSeqNumber, decReader.seqNumber)
diff --git a/api/layer/layer.go b/api/layer/layer.go
index 683b1ba..3e1098a 100644
--- a/api/layer/layer.go
+++ b/api/layer/layer.go
@@ -11,14 +11,13 @@ import (
 	"strings"
 	"time"
 
-	"github.com/nspcc-dev/neofs-s3-gw/api/layer/encryption"
-
 	"github.com/nats-io/nats.go"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neofs-s3-gw/api"
 	"github.com/nspcc-dev/neofs-s3-gw/api/cache"
 	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
+	"github.com/nspcc-dev/neofs-s3-gw/api/layer/encryption"
 	"github.com/nspcc-dev/neofs-s3-gw/api/resolver"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-sdk-go/bearer"
diff --git a/api/layer/util.go b/api/layer/util.go
index d5b8564..0302e0c 100644
--- a/api/layer/util.go
+++ b/api/layer/util.go
@@ -9,10 +9,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/nspcc-dev/neofs-s3-gw/api/layer/encryption"
-
 	"github.com/nspcc-dev/neofs-s3-gw/api"
 	"github.com/nspcc-dev/neofs-s3-gw/api/data"
+	"github.com/nspcc-dev/neofs-s3-gw/api/layer/encryption"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
 )