diff --git a/gossipsub.go b/gossipsub.go
index 5550f4d..07acca8 100644
--- a/gossipsub.go
+++ b/gossipsub.go
@@ -3,6 +3,7 @@ package pubsub
 import (
 	"context"
 	"fmt"
+	"github.com/libp2p/go-libp2p-core/record"
 	"math/rand"
 	"time"
 
@@ -13,7 +14,6 @@ import (
 	"github.com/libp2p/go-libp2p-core/peer"
 	"github.com/libp2p/go-libp2p-core/peerstore"
 	"github.com/libp2p/go-libp2p-core/protocol"
-	"github.com/libp2p/go-libp2p-core/routing"
 )
 
 const (
@@ -93,7 +93,7 @@ type GossipSubRouter struct {
 
 type connectInfo struct {
 	p   peer.ID
-	srr *routing.SignedRoutingState
+	spr *record.Envelope
 }
 
 func (gs *GossipSubRouter) Protocols() []protocol.ID {
@@ -306,19 +306,23 @@ func (gs *GossipSubRouter) pxConnect(peers []*pb.PeerInfo) {
 			continue
 		}
 
-		var srr *routing.SignedRoutingState
-		var err error
-		if pi.SignedAddrs != nil {
+		var srr *record.Envelope
+		if pi.SignedPeerRecord != nil {
 			// the peer sent us a signed record; ensure that it is valid
-			srr, err = routing.UnmarshalSignedRoutingState(pi.SignedAddrs)
+			envelope, r, err := record.ConsumeEnvelope(pi.SignedPeerRecord, peer.PeerRecordEnvelopeDomain)
 			if err != nil {
 				log.Warningf("error unmarshalling routing record obtained through px: %s", err)
 				continue
 			}
-			if srr.PeerID != p {
-				log.Warningf("bogus routing record obtained through px: peer ID %s doesn't match expected peer %s", srr.PeerID, p)
+			rec, ok := r.(*peer.PeerRecord)
+			if !ok {
+				log.Warnf("bogus routing record obtained through px: envelope payload is not PeerRecord")
+			}
+			if rec.PeerID != p {
+				log.Warnf("bogus routing record obtained through px: peer ID %s doesn't match expected peer %s", rec.PeerID, p)
 				continue
 			}
+			srr = envelope
 		}
 
 		toconnect = append(toconnect, connectInfo{p, srr})
@@ -347,8 +351,12 @@ func (gs *GossipSubRouter) connector() {
 			}
 
 			log.Debugf("connecting to %s", ci.p)
-			if ci.srr != nil {
-				gs.p.host.Peerstore().AddCertifiedAddrs(ci.srr, peerstore.TempAddrTTL)
+			cab, ok := peerstore.GetCertifiedAddrBook(gs.p.host.Peerstore())
+			if ok && ci.spr != nil {
+				err := cab.ProcessPeerRecord(ci.spr, peerstore.TempAddrTTL)
+				if err != nil {
+					log.Debugf("error processing peer record: %s", err)
+				}
 			}
 
 			ctx, cancel := context.WithTimeout(gs.p.ctx, GossipSubConnectionTimeout)
@@ -822,21 +830,24 @@ func (gs *GossipSubRouter) makePrune(p peer.ID, topic string) *pb.ControlPrune {
 		return p != xp
 	})
 
+	cab, peerstoreSupportsSignedAddrs := peerstore.GetCertifiedAddrBook(gs.p.host.Peerstore())
 	px := make([]*pb.PeerInfo, 0, len(peers))
 	for _, p := range peers {
-		// see if we have a signed address record to send back; if we don't, just send
+		// see if we have a signed peer record to send back; if we don't, just send
 		// the peer ID and let the pruned peer find them in the DHT -- we can't trust
 		// unsigned address records through px anyway.
-		srr := gs.p.host.Peerstore().SignedRoutingState(p)
-		var saddrs []byte
-		var err error
-		if srr != nil {
-			saddrs, err = srr.Marshal()
-			if err != nil {
-				log.Warningf("error marshaling signed routing state for %s: %s", p, err)
+		var recordBytes []byte
+		if peerstoreSupportsSignedAddrs {
+			spr := cab.GetPeerRecord(p)
+			var err error
+			if spr != nil {
+				recordBytes, err = spr.Marshal()
+				if err != nil {
+					log.Warnf("error marshaling signed peer record for %s: %s", p, err)
+				}
 			}
 		}
-		px = append(px, &pb.PeerInfo{PeerID: []byte(p), SignedAddrs: saddrs})
+		px = append(px, &pb.PeerInfo{PeerID: []byte(p), SignedPeerRecord: recordBytes})
 	}
 
 	return &pb.ControlPrune{TopicID: &topic, Peers: px}
diff --git a/pb/rpc.pb.go b/pb/rpc.pb.go
index a9e9633..c8e8c38 100644
--- a/pb/rpc.pb.go
+++ b/pb/rpc.pb.go
@@ -589,7 +589,7 @@ func (m *ControlPrune) GetPeers() []*PeerInfo {
 
 type PeerInfo struct {
 	PeerID               []byte   `protobuf:"bytes,1,opt,name=peerID" json:"peerID,omitempty"`
-	SignedAddrs          []byte   `protobuf:"bytes,2,opt,name=signedAddrs" json:"signedAddrs,omitempty"`
+	SignedPeerRecord     []byte   `protobuf:"bytes,2,opt,name=signedPeerRecord" json:"signedPeerRecord,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -635,9 +635,9 @@ func (m *PeerInfo) GetPeerID() []byte {
 	return nil
 }
 
-func (m *PeerInfo) GetSignedAddrs() []byte {
+func (m *PeerInfo) GetSignedPeerRecord() []byte {
 	if m != nil {
-		return m.SignedAddrs
+		return m.SignedPeerRecord
 	}
 	return nil
 }
@@ -835,48 +835,48 @@ func init() {
 func init() { proto.RegisterFile("rpc.proto", fileDescriptor_77a6da22d6a3feb1) }
 
 var fileDescriptor_77a6da22d6a3feb1 = []byte{
-	// 650 bytes of a gzipped FileDescriptorProto
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-	0xff, 0xff, 0xe3, 0x53, 0xd4, 0xac, 0x6d, 0x05, 0x00, 0x00,
+	// 655 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0xcf, 0x6e, 0xd3, 0x4e,
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 }
 
 func (m *RPC) Marshal() (dAtA []byte, err error) {
@@ -1271,11 +1271,11 @@ func (m *PeerInfo) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintRpc(dAtA, i, uint64(len(m.PeerID)))
 		i += copy(dAtA[i:], m.PeerID)
 	}
-	if m.SignedAddrs != nil {
+	if m.SignedPeerRecord != nil {
 		dAtA[i] = 0x12
 		i++
-		i = encodeVarintRpc(dAtA, i, uint64(len(m.SignedAddrs)))
-		i += copy(dAtA[i:], m.SignedAddrs)
+		i = encodeVarintRpc(dAtA, i, uint64(len(m.SignedPeerRecord)))
+		i += copy(dAtA[i:], m.SignedPeerRecord)
 	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
@@ -1616,8 +1616,8 @@ func (m *PeerInfo) Size() (n int) {
 		l = len(m.PeerID)
 		n += 1 + l + sovRpc(uint64(l))
 	}
-	if m.SignedAddrs != nil {
-		l = len(m.SignedAddrs)
+	if m.SignedPeerRecord != nil {
+		l = len(m.SignedPeerRecord)
 		n += 1 + l + sovRpc(uint64(l))
 	}
 	if m.XXX_unrecognized != nil {
@@ -2895,7 +2895,7 @@ func (m *PeerInfo) Unmarshal(dAtA []byte) error {
 			iNdEx = postIndex
 		case 2:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field SignedAddrs", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field SignedPeerRecord", wireType)
 			}
 			var byteLen int
 			for shift := uint(0); ; shift += 7 {
@@ -2922,9 +2922,9 @@ func (m *PeerInfo) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.SignedAddrs = append(m.SignedAddrs[:0], dAtA[iNdEx:postIndex]...)
-			if m.SignedAddrs == nil {
-				m.SignedAddrs = []byte{}
+			m.SignedPeerRecord = append(m.SignedPeerRecord[:0], dAtA[iNdEx:postIndex]...)
+			if m.SignedPeerRecord == nil {
+				m.SignedPeerRecord = []byte{}
 			}
 			iNdEx = postIndex
 		default:
diff --git a/pb/rpc.proto b/pb/rpc.proto
index ace28c5..355879b 100644
--- a/pb/rpc.proto
+++ b/pb/rpc.proto
@@ -50,7 +50,7 @@ message ControlPrune {
 
 message PeerInfo {
 	optional bytes peerID = 1;
-	optional bytes signedAddrs = 2;
+	optional bytes signedPeerRecord = 2;
 }
 
 message TopicDescriptor {