diff --git a/lcp b/lcp
index 2c441cc..96ca5ca 160000
--- a/lcp
+++ b/lcp
@@ -1 +1 @@
-Subproject commit 2c441cc4617a80809fff0b737cf3382a94069e9a
+Subproject commit 96ca5ca949e93b7d824ac9ffede7c28ab2998f9d
diff --git a/light-clients/lcp/types/lcp.pb.go b/light-clients/lcp/types/lcp.pb.go
index db1c55d..a81cbbf 100644
--- a/light-clients/lcp/types/lcp.pb.go
+++ b/light-clients/lcp/types/lcp.pb.go
@@ -63,7 +63,7 @@ func (m *UpdateClientMessage) XXX_DiscardUnknown() {
 var xxx_messageInfo_UpdateClientMessage proto.InternalMessageInfo
 
 type RegisterEnclaveKeyMessage struct {
-	Report            string `protobuf:"bytes,1,opt,name=report,proto3" json:"report,omitempty"`
+	Report            []byte `protobuf:"bytes,1,opt,name=report,proto3" json:"report,omitempty"`
 	Signature         []byte `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty"`
 	SigningCert       []byte `protobuf:"bytes,3,opt,name=signing_cert,json=signingCert,proto3" json:"signing_cert,omitempty"`
 	OperatorSignature []byte `protobuf:"bytes,4,opt,name=operator_signature,json=operatorSignature,proto3" json:"operator_signature,omitempty"`
@@ -241,50 +241,49 @@ func init() {
 func init() { proto.RegisterFile("ibc/lightclients/lcp/v1/lcp.proto", fileDescriptor_69f4c398e914fe8d) }
 
 var fileDescriptor_69f4c398e914fe8d = []byte{
-	// 673 bytes of a gzipped FileDescriptorProto
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-	0xe2, 0xeb, 0x98, 0xeb, 0xdc, 0xfa, 0x2e, 0xad, 0x83, 0x1d, 0xff, 0x85, 0x61, 0xec, 0xd6, 0x2e,
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-	0x60, 0xf7, 0xf8, 0xe2, 0x9b, 0x57, 0xb9, 0xb8, 0xf2, 0xaa, 0x97, 0x57, 0x5e, 0xf5, 0xeb, 0x95,
-	0x57, 0xfd, 0x78, 0xed, 0x55, 0x2e, 0xaf, 0xbd, 0xca, 0xe7, 0x6b, 0xaf, 0x72, 0xf2, 0x24, 0xa1,
-	0xaa, 0xd7, 0xef, 0xfa, 0x11, 0xcf, 0xda, 0x31, 0x51, 0x24, 0xea, 0x11, 0xca, 0x52, 0xd2, 0xd5,
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-	0x00,
+	// 670 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x84, 0x54, 0x5d, 0x4f, 0x13, 0x4d,
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+	0x76, 0x1c, 0x7e, 0x80, 0x0a, 0x3c, 0x24, 0x71, 0x9f, 0x4a, 0x2e, 0x06, 0x21, 0x8d, 0x65, 0x63,
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+	0xd3, 0xa0, 0x3d, 0xb4, 0x36, 0xbe, 0x18, 0x73, 0xe6, 0xda, 0x1d, 0x3e, 0xa6, 0x15, 0xcf, 0xd1,
+	0xfa, 0xbf, 0x1a, 0x81, 0x8c, 0xcb, 0x1a, 0x1f, 0x57, 0x87, 0x66, 0x1b, 0x2d, 0xee, 0x73, 0x26,
+	0x81, 0xc9, 0x9e, 0xb4, 0x81, 0xaf, 0xa0, 0x59, 0xbd, 0x3e, 0x08, 0x69, 0xec, 0xf2, 0x9e, 0x31,
+	0xe7, 0x76, 0xac, 0xe7, 0x57, 0x34, 0x03, 0xa9, 0x48, 0x96, 0xbb, 0xa0, 0x4b, 0x60, 0xef, 0xe4,
+	0xf2, 0x9b, 0x57, 0xb9, 0xbc, 0xf6, 0xaa, 0x57, 0xd7, 0x5e, 0xf5, 0xeb, 0xb5, 0x57, 0xfd, 0x78,
+	0xe3, 0x55, 0xae, 0x6e, 0xbc, 0xca, 0xe7, 0x1b, 0xaf, 0x72, 0xfa, 0x24, 0xa1, 0xaa, 0xdb, 0xeb,
+	0xf8, 0x11, 0xcf, 0x5a, 0x31, 0x51, 0x24, 0xea, 0x12, 0xca, 0x52, 0xd2, 0xd1, 0x8f, 0xdb, 0x4e,
+	0xc2, 0xed, 0xbb, 0xb7, 0x33, 0xfa, 0xf0, 0xa9, 0x41, 0x0e, 0xb2, 0x33, 0x6d, 0x1e, 0xaa, 0x47,
+	0x3f, 0x02, 0x00, 0x00, 0xff, 0xff, 0x3b, 0xb1, 0x44, 0x28, 0x1d, 0x05, 0x00, 0x00,
 }
 
 func (m *UpdateClientMessage) Marshal() (dAtA []byte, err error) {
@@ -869,7 +868,7 @@ func (m *RegisterEnclaveKeyMessage) Unmarshal(dAtA []byte) error {
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Report", wireType)
 			}
-			var stringLen uint64
+			var byteLen int
 			for shift := uint(0); ; shift += 7 {
 				if shift >= 64 {
 					return ErrIntOverflowLcp
@@ -879,23 +878,25 @@ func (m *RegisterEnclaveKeyMessage) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
+				byteLen |= int(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
+			if byteLen < 0 {
 				return ErrInvalidLengthLcp
 			}
-			postIndex := iNdEx + intStringLen
+			postIndex := iNdEx + byteLen
 			if postIndex < 0 {
 				return ErrInvalidLengthLcp
 			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Report = string(dAtA[iNdEx:postIndex])
+			m.Report = append(m.Report[:0], dAtA[iNdEx:postIndex]...)
+			if m.Report == nil {
+				m.Report = []byte{}
+			}
 			iNdEx = postIndex
 		case 2:
 			if wireType != 2 {
diff --git a/light-clients/lcp/types/update.go b/light-clients/lcp/types/update.go
index 51f57e9..f62eb36 100644
--- a/light-clients/lcp/types/update.go
+++ b/light-clients/lcp/types/update.go
@@ -121,7 +121,7 @@ func (cs ClientState) verifyRegisterEnclaveKey(ctx sdk.Context, store storetypes
 	}
 	var operator common.Address
 	if len(message.OperatorSignature) > 0 {
-		commitment, err := ComputeEIP712RegisterEnclaveKeyHash(ctx.ChainID(), []byte(exported.StoreKey), message.Report)
+		commitment, err := ComputeEIP712RegisterEnclaveKeyHash(ctx.ChainID(), []byte(exported.StoreKey), string(message.Report))
 		if err != nil {
 			return errorsmod.Wrapf(clienttypes.ErrInvalidHeader, "failed to compute commitment: %v", err)
 		}
@@ -246,7 +246,7 @@ func (cs ClientState) registerEnclaveKey(ctx sdk.Context, clientStore storetypes
 	}
 	var operator common.Address
 	if len(message.OperatorSignature) > 0 {
-		commitment, err := ComputeEIP712RegisterEnclaveKeyHash(ctx.ChainID(), []byte(exported.StoreKey), message.Report)
+		commitment, err := ComputeEIP712RegisterEnclaveKeyHash(ctx.ChainID(), []byte(exported.StoreKey), string(message.Report))
 		if err != nil {
 			panic(errorsmod.Wrapf(clienttypes.ErrInvalidHeader, "failed to compute commitment: %v", err))
 		}
diff --git a/relay/lcp.go b/relay/lcp.go
index 9bfb62a..75302db 100644
--- a/relay/lcp.go
+++ b/relay/lcp.go
@@ -218,10 +218,10 @@ func (pr *Prover) selectNewEnclaveKey(ctx context.Context) (*enclave.EnclaveKeyI
 	}
 
 	for _, eki := range res.Keys {
-		if err := ias.VerifyReport(eki.Report, eki.Signature, eki.SigningCert, time.Now()); err != nil {
+		if err := ias.VerifyReport([]byte(eki.Report), eki.Signature, eki.SigningCert, time.Now()); err != nil {
 			return nil, err
 		}
-		avr, err := ias.ParseAndValidateAVR(eki.Report)
+		avr, err := ias.ParseAndValidateAVR([]byte(eki.Report))
 		if err != nil {
 			return nil, err
 		}
@@ -320,14 +320,14 @@ func (pr *Prover) updateELC(elcClientID string, includeState bool) ([]*elc.MsgUp
 
 func (pr *Prover) registerEnclaveKey(verifier core.Chain, eki *enclave.EnclaveKeyInfo) (core.MsgID, error) {
 	clientLogger := pr.getClientLogger(pr.originChain.Path().ClientID)
-	if err := ias.VerifyReport(eki.Report, eki.Signature, eki.SigningCert, time.Now()); err != nil {
+	if err := ias.VerifyReport([]byte(eki.Report), eki.Signature, eki.SigningCert, time.Now()); err != nil {
 		return nil, err
 	}
-	if _, err := ias.ParseAndValidateAVR(eki.Report); err != nil {
+	if _, err := ias.ParseAndValidateAVR([]byte(eki.Report)); err != nil {
 		return nil, err
 	}
 	message := &lcptypes.RegisterEnclaveKeyMessage{
-		Report:            eki.Report,
+		Report:            []byte(eki.Report),
 		Signature:         eki.Signature,
 		SigningCert:       eki.SigningCert,
 		OperatorSignature: nil,
diff --git a/sgx/ias/sgx.go b/sgx/ias/sgx.go
index 04dd067..aed13f7 100644
--- a/sgx/ias/sgx.go
+++ b/sgx/ias/sgx.go
@@ -27,7 +27,7 @@ func (avr AttestationVerificationReport) GetTimestamp() time.Time {
 	return tm.Truncate(time.Second)
 }
 
-func VerifyReport(report string, signature []byte, signingCertDer []byte, currentTime time.Time) error {
+func VerifyReport(report []byte, signature []byte, signingCertDer []byte, currentTime time.Time) error {
 	rootCert := GetRARootCert()
 	signingCert, err := x509.ParseCertificate(signingCertDer)
 	if err != nil {
@@ -50,15 +50,15 @@ func VerifyReport(report string, signature []byte, signingCertDer []byte, curren
 		return fmt.Errorf("unexpected root cert: %v", chains[0][1])
 	}
 
-	if err = signingCert.CheckSignature(x509.SHA256WithRSA, []byte(report), signature); err != nil {
+	if err = signingCert.CheckSignature(x509.SHA256WithRSA, report, signature); err != nil {
 		return fmt.Errorf("failed to verify AVR signature: %w", err)
 	}
 
 	return nil
 }
 
-func ParseAndValidateAVR(report string) (*AttestationVerificationReport, error) {
-	avr, err := ias.UnsafeDecodeAVR([]byte(report))
+func ParseAndValidateAVR(report []byte) (*AttestationVerificationReport, error) {
+	avr, err := ias.UnsafeDecodeAVR(report)
 	if err != nil {
 		return nil, err
 	}