Add TPM attestation

acme/challenge.go

@@ -26,9 +26,13 @@ import (
 	"time"
 
 	"github.com/fxamacker/cbor/v2"
-	"github.com/smallstep/certificates/authority/provisioner"
+	"github.com/google/go-tpm/tpm2"
+	"github.com/ryboe/q"
+
 	"go.step.sm/crypto/jose"
 	"go.step.sm/crypto/pemutil"
+
+	"github.com/smallstep/certificates/authority/provisioner"
 )
 
 type ChallengeType string
@@ -397,6 +401,29 @@ func deviceAttest01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose
 		if data.SerialNumber != ch.Value {
 			return storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "permanent identifier does not match"))
 		}
+	case "tpm": // TODO(hs): this may end up being a different case; this is the generic `tpm` format from `WebAuthn`
+		data, err := doTPMAttestationFormat(ctx, ch, db, &att)
+		if err != nil {
+			q.Q("attestation error:", err)
+			return err
+		}
+
+		expectedDigest, err := keyAuthDigest(jwk, ch.Token)
+		if err != nil {
+			return fmt.Errorf("error creating key auth digest: %w", err)
+		}
+
+		q.Q(data)
+		q.Q(expectedDigest)
+
+		// verify the WebAuthn object contains the expect key authorization digest, which is carried
+		// within the encoded `certInfo` property of the attestation statement.
+		if subtle.ConstantTimeCompare(expectedDigest, data.ExtraData) == 0 {
+			return storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "key authorization doesn't match"))
+		}
+
+		// TODO(hs): more properties to verify? Apple method has nonce, check for permanent identifier.
+
 	default:
 		return storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "unexpected attestation object format"))
 	}
@@ -412,6 +439,127 @@ func deviceAttest01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose
 	return nil
 }
 
+// Borrowed from: https://github.com/golang/crypto/blob/master/acme/acme.go#L748
+func keyAuthDigest(jwk *jose.JSONWebKey, token string) ([]byte, error) {
+	th, err := jwk.Thumbprint(crypto.SHA256) // TODO(hs): verify this is the correct thumbprint
+	digest := sha256.Sum256([]byte(fmt.Sprintf("%s.%s", token, th)))
+	return digest[:], err
+}
+
+type tpmAttestationData struct {
+	Certificate    *x509.Certificate
+	VerifiedChains [][]*x509.Certificate
+	ExtraData      []byte // TODO(hs): rename this to KeyAuthorization to reflect its usage?
+}
+
+func doTPMAttestationFormat(ctx context.Context, ch *Challenge, db DB, att *AttestationObject) (*tpmAttestationData, error) {
+
+	p := MustProvisionerFromContext(ctx)
+	prov, ok := p.(*provisioner.ACME)
+	if !ok {
+		return nil, NewErrorISE("provisioner in context is not an ACME provisioner")
+	}
+
+	x5c, ok := att.AttStatement["x5c"].([]interface{})
+	if !ok {
+		return nil, storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "x5c not present"))
+	}
+	if len(x5c) == 0 {
+		return nil, storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "x5c is empty"))
+	}
+
+	der, ok := x5c[0].([]byte)
+	if !ok {
+		return nil, storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "x5c is malformed"))
+	}
+	leaf, err := x509.ParseCertificate(der)
+	if err != nil {
+		return nil, storeError(ctx, db, ch, true, WrapError(ErrorBadAttestationStatementType, err, "x5c is malformed"))
+	}
+
+	intermediates := x509.NewCertPool()
+	if len(x5c[1:]) > 0 {
+		for _, v := range x5c[1:] {
+			der, ok = v.([]byte)
+			if !ok {
+				return nil, storeError(ctx, db, ch, true, NewError(ErrorBadAttestationStatementType, "x5c is malformed"))
+			}
+			cert, err := x509.ParseCertificate(der)
+			if err != nil {
+				return nil, storeError(ctx, db, ch, true, WrapError(ErrorBadAttestationStatementType, err, "x5c is malformed"))
+			}
+			intermediates.AddCert(cert)
+		}
+	}
+
+	// TODO(hs): this can be removed when permanent-identifier/hardware-module-name are handled correctly in
+	// the stdlib in https://cs.opensource.google/go/go/+/refs/tags/go1.19:src/crypto/x509/parser.go;drc=b5b2cf519fe332891c165077f3723ee74932a647;l=362,
+	// but I doubt that will happen.
+	// TODO(hs): decide on the right logic for handling unhandled critical extensions
+	if len(leaf.UnhandledCriticalExtensions) > 0 {
+		unhandledCriticalExtensions := leaf.UnhandledCriticalExtensions[:0]
+		for _, extOID := range leaf.UnhandledCriticalExtensions {
+			switch {
+			// TODO(hs): extend the switch statement with other allowed OIDs; this might have to become configurable too
+			case extOID.Equal(asn1.ObjectIdentifier{2, 5, 29, 17}):
+				// TODO(hs): decide when the processed extension is "OK"; permanent-identifier/hardware-module-name
+				for _, e := range leaf.Extensions {
+					if e.Id.Equal(extOID) {
+						// TODO(hs): validate this is in fact a valid PermanentIdentifier/HardwareModuleName
+						q.Q(e)
+					}
+				}
+				continue
+			default:
+				// OIDs that are not in the switch remain unhandled
+				unhandledCriticalExtensions = append(unhandledCriticalExtensions, extOID)
+			}
+		}
+		leaf.UnhandledCriticalExtensions = unhandledCriticalExtensions
+	}
+
+	roots, ok := prov.GetAttestationRoots()
+	if !ok {
+		return nil, NewErrorISE("error getting tpm attestation root CAs")
+	}
+
+	verifiedChains, err := leaf.Verify(x509.VerifyOptions{
+		Roots:         roots,
+		Intermediates: intermediates,
+		CurrentTime:   time.Now().Truncate(time.Second),
+		KeyUsages:     []x509.ExtKeyUsage{x509.ExtKeyUsageAny},
+	})
+	if err != nil {
+		if storeErr := storeError(ctx, db, ch, true, WrapError(ErrorBadAttestationStatementType, err, "x5c is not valid")); storeErr != nil {
+			return nil, fmt.Errorf("error saving order error: %w", storeErr)
+		}
+		return nil, fmt.Errorf("error verifying x5c leaf: %w", err)
+	}
+
+	// TODO(hs): implement revocation check; Verify() doesn't perform CRL check nor OCSP lookup.
+	// TODO(hs): more properties to verify and/or return?
+
+	q.Q(att.AttStatement)
+
+	certInfo, ok := att.AttStatement["certInfo"].([]byte)
+	if !ok {
+		return nil, errors.New("invalid certInfo in attestation statement")
+	}
+
+	tpmCertInfo, err := tpm2.DecodeAttestationData([]byte(certInfo))
+	if err != nil {
+		return nil, fmt.Errorf("invalid certInfo: %w", err)
+	}
+
+	q.Q(tpmCertInfo.ExtraData)
+
+	return &tpmAttestationData{
+		Certificate:    leaf,
+		VerifiedChains: verifiedChains,
+		ExtraData:      []byte(tpmCertInfo.ExtraData),
+	}, nil
+}
+
 // Apple Enterprise Attestation Root CA from
 // https://www.apple.com/certificateauthority/private/
 const appleEnterpriseAttestationRootCA = `-----BEGIN CERTIFICATE-----
@@ -701,10 +849,10 @@ func uitoa(val uint) string {
 	var buf [20]byte // big enough for 64bit value base 10
 	i := len(buf) - 1
 	for val >= 10 {
-		q := val / 10
+		v := val / 10
-		buf[i] = byte('0' + val - q*10)
+		buf[i] = byte('0' + val - v*10)
 		i--
-		val = q
+		val = v
 	}
 	// val < 10
 	buf[i] = byte('0' + val)

go.mod

@@ -51,6 +51,11 @@ require (
 	gopkg.in/square/go-jose.v2 v2.6.0
 )
 
+require (
+	github.com/google/go-tpm v0.3.3
+	github.com/ryboe/q v1.0.17
+)
+
 require (
 	cloud.google.com/go/compute v1.6.1 // indirect
 	cloud.google.com/go/iam v0.1.0 // indirect
@@ -117,6 +122,7 @@ require (
 	github.com/jackc/pgx/v4 v4.14.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/klauspost/compress v1.12.3 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/manifoldco/promptui v0.9.0 // indirect
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
 	github.com/miekg/pkcs11 v1.1.1 // indirect
@@ -128,6 +134,7 @@ require (
 	github.com/oklog/run v1.0.0 // indirect
 	github.com/pierrec/lz4 v2.5.2+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rogpeppe/go-internal v1.6.1 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
 	github.com/shopspring/decimal v1.2.0 // indirect

go.sum

@@ -149,11 +149,13 @@ github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
@@ -171,9 +173,11 @@ github.com/dgraph-io/ristretto v0.0.2/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70d
 github.com/dgraph-io/ristretto v0.0.3-0.20200630154024-f66de99634de/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70dGTu2u+Ahh6E=
 github.com/dgraph-io/ristretto v0.0.4-0.20200906165740-41ebdbffecfd h1:KoJOtZf+6wpQaDTuOWGuo61GxcPBIfhwRxRTaTWGCTc=
 github.com/dgraph-io/ristretto v0.0.4-0.20200906165740-41ebdbffecfd/go.mod h1:YylP9MpCYGVZQrly/j/diqcdUetCRRePeBB0c2VGXsA=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 h1:fAjc9m62+UWV/WAFKLNi6ZS0675eEUC9y3AlwSbQu1Y=
 github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dimchansky/utfbom v1.1.1 h1:vV6w1AhK4VMnhBno/TPVCoK9U/LP0PkLCS9tbxHdi/U=
 github.com/dimchansky/utfbom v1.1.1/go.mod h1:SxdoEBH5qIqFocHMyGOXVAybYJdr71b1Q/j0mACtrfE=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
@@ -228,10 +232,12 @@ github.com/go-test/deep v1.0.2/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3a
 github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPhW6m+TnJw=
 github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang-jwt/jwt/v4 v4.0.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
 github.com/golang-jwt/jwt/v4 v4.2.0 h1:besgBTC8w8HjP6NzQdxwKH9Z5oQMZ24ThTrHp3cZ8eU=
 github.com/golang-jwt/jwt/v4 v4.2.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -285,6 +291,12 @@ github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-tpm v0.1.2-0.20190725015402-ae6dd98980d4/go.mod h1:H9HbmUG2YgV/PHITkO7p6wxEEj/v5nlsVWIwumwH2NI=
+github.com/google/go-tpm v0.3.0/go.mod h1:iVLWvrPp/bHeEkxTFi9WG6K9w0iy2yIszHwZGHPbzAw=
+github.com/google/go-tpm v0.3.3 h1:P/ZFNBZYXRxc+z7i5uyd8VP7MaDteuLZInzrH2idRGo=
+github.com/google/go-tpm v0.3.3/go.mod h1:9Hyn3rgnzWF9XBWVk6ml6A6hNkbWjNFlDQL51BeghL4=
+github.com/google/go-tpm-tools v0.0.0-20190906225433-1614c142f845/go.mod h1:AVfHadzbdzHo54inR2x1v640jdi1YSi3NauM2DUsxk0=
+github.com/google/go-tpm-tools v0.2.0/go.mod h1:npUd03rQ60lxN7tzeBJreG38RvWwme2N1reF/eeiBk4=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
@@ -322,7 +334,11 @@ github.com/googleapis/gax-go/v2 v2.4.0/go.mod h1:XOTVJ59hdnfJLIP/dh8n5CGryZR2LxK
 github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf/go.mod h1:cuNKsD1zp2v6XfE/orVX2QE1LC+i254ceGcVeDT3pTU=
 github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
 github.com/gorilla/mux v1.4.0/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/groob/finalizer v0.0.0-20170707115354-4c2ed49aabda/go.mod h1:MyndkAZd5rUMdNogn35MWXBX1UiBigrU8eTj8DoAC2c=
+github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
+github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
+github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
@@ -447,11 +463,13 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
+github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
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@@ -526,6 +544,7 @@ github.com/newrelic/go-agent/v3 v3.18.0/go.mod h1:BFJOlbZWRlPTXKYIC1TTTtQKTnYntE
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@@ -539,17 +558,23 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
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@@ -564,6 +589,8 @@ github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQD
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@@ -584,6 +611,7 @@ github.com/smallstep/nosql v0.4.0 h1:Go3WYwttUuvwqMtFiiU4g7kBIlY+hR0bIZAqVdakQ3M
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@@ -593,9 +621,11 @@ github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
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@@ -610,13 +640,16 @@ github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMT
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@@ -624,6 +657,7 @@ github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
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@@ -713,12 +747,14 @@ golang.org/x/net v0.0.0-20180530234432-1e491301e022/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -793,6 +829,7 @@ golang.org/x/sys v0.0.0-20170728174421-0f826bdd13b5/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -846,6 +883,7 @@ golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -884,6 +922,7 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
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 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -1077,6 +1116,7 @@ google.golang.org/genproto v0.0.0-20220617124728-180714bec0ad/go.mod h1:KEWEmljW
 google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
+google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
@@ -1131,9 +1171,11 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogR
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/square/go-jose.v2 v2.6.0 h1:NGk74WTnPKBNUhNzQX7PYcTLUjoq7mzKk2OKbvwk2iI=
 gopkg.in/square/go-jose.v2 v2.6.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=