remove unused rekor addr, use trusted root for partial inline

verification

Signed-off-by: Ramon Petgrave <ramon.petgrave64@gmail.com>
Signed-off-by: Ramon Petgrave <32398091+ramonpetgrave64@users.noreply.github.com>

go.mod

@@ -1,6 +1,8 @@
 module github.com/slsa-framework/slsa-github-generator
 
-go 1.22.0
+go 1.22.5
+
+toolchain go1.23.0
 
 require (
 	github.com/coreos/go-oidc/v3 v3.11.0
@@ -13,10 +15,10 @@ require (
 	github.com/secure-systems-lab/go-securesystemslib v0.8.0
 	github.com/sigstore/cosign/v2 v2.2.4
 	github.com/sigstore/rekor v1.3.6
-	github.com/sigstore/sigstore v1.8.7
-	github.com/sigstore/sigstore-go v0.5.1
+	github.com/sigstore/sigstore v1.8.8
+	github.com/sigstore/sigstore-go v0.6.0
 	github.com/spf13/cobra v1.8.1
-	golang.org/x/oauth2 v0.21.0
+	golang.org/x/oauth2 v0.22.0
 	gopkg.in/square/go-jose.v2 v2.6.0
 	gopkg.in/yaml.v3 v3.0.1
 )
@@ -108,7 +110,7 @@ require (
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/certificate-transparency-go v1.2.1 // indirect
 	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
-	github.com/google/go-containerregistry v0.20.0 // indirect
+	github.com/google/go-containerregistry v0.20.1 // indirect
 	github.com/google/go-github/v55 v55.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
@@ -119,6 +121,7 @@ require (
 	github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
 	github.com/hashicorp/hcl v1.0.1-vault-5 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
+	github.com/in-toto/attestation v1.1.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
@@ -180,14 +183,14 @@ require (
 	go.step.sm/crypto v0.44.2 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
-	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/crypto v0.26.0 // indirect
 	golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3 // indirect
-	golang.org/x/mod v0.19.0 // indirect
+	golang.org/x/mod v0.20.0 // indirect
 	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/sync v0.7.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
-	golang.org/x/term v0.22.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
+	golang.org/x/sys v0.23.0 // indirect
+	golang.org/x/term v0.23.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
 	google.golang.org/api v0.172.0 // indirect

go.sum

@@ -332,6 +332,8 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-containerregistry v0.20.0 h1:wRqHpOeVh3DnenOrPy9xDOLdnLatiGuuNRVelR2gSbg=
 github.com/google/go-containerregistry v0.20.0/go.mod h1:YCMFNQeeXeLF+dnhhWkqDItx/JSkH01j1Kis4PsjzFI=
+github.com/google/go-containerregistry v0.20.1 h1:eTgx9QNYugV4DN5mz4U8hiAGTi1ybXn0TPi4Smd8du0=
+github.com/google/go-containerregistry v0.20.1/go.mod h1:YCMFNQeeXeLF+dnhhWkqDItx/JSkH01j1Kis4PsjzFI=
 github.com/google/go-github/v55 v55.0.0 h1:4pp/1tNMB9X/LuAhs5i0KQAE40NmiR/y6prLNb9x9cg=
 github.com/google/go-github/v55 v55.0.0/go.mod h1:JLahOTA1DnXzhxEymmFF5PP2tSS9JVNj68mSZNDwskA=
 github.com/google/go-github/v57 v57.0.0 h1:L+Y3UPTY8ALM8x+TV0lg+IEBI+upibemtBD8Q9u7zHs=
@@ -393,6 +395,8 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
 github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
+github.com/in-toto/attestation v1.1.0 h1:oRWzfmZPDSctChD0VaQV7MJrywKOzyNrtpENQFq//2Q=
+github.com/in-toto/attestation v1.1.0/go.mod h1:DB59ytd3z7cIHgXxwpSX2SABrU6WJUKg/grpdgHVgVs=
 github.com/in-toto/in-toto-golang v0.9.0 h1:tHny7ac4KgtsfrG6ybU8gVOZux2H8jN05AXJ9EBM1XU=
 github.com/in-toto/in-toto-golang v0.9.0/go.mod h1:xsBVrVsHNsB61++S6Dy2vWosKhuA3lUTQd+eF9HdeMo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@@ -546,8 +550,12 @@ github.com/sigstore/rekor v1.3.6 h1:QvpMMJVWAp69a3CHzdrLelqEqpTM3ByQRt5B5Kspbi8=
 github.com/sigstore/rekor v1.3.6/go.mod h1:JDTSNNMdQ/PxdsS49DJkJ+pRJCO/83nbR5p3aZQteXc=
 github.com/sigstore/sigstore v1.8.7 h1:L7/zKauHTg0d0Hukx7qlR4nifh6T6O6UIt9JBwAmTIg=
 github.com/sigstore/sigstore v1.8.7/go.mod h1:MPiQ/NIV034Fc3Kk2IX9/XmBQdK60wfmpvgK9Z1UjRA=
+github.com/sigstore/sigstore v1.8.8 h1:B6ZQPBKK7Z7tO3bjLNnlCMG+H66tO4E/+qAphX8T/hg=
+github.com/sigstore/sigstore v1.8.8/go.mod h1:GW0GgJSCTBJY3fUOuGDHeFWcD++c4G8Y9K015pwcpDI=
 github.com/sigstore/sigstore-go v0.5.1 h1:5IhKvtjlQBeLnjKkzMELNG4tIBf+xXQkDzhLV77+/8Y=
 github.com/sigstore/sigstore-go v0.5.1/go.mod h1:TuOfV7THHqiDaUHuJ5+QN23RP/YoKmsbwJpY+aaYPN0=
+github.com/sigstore/sigstore-go v0.6.0 h1:X72BkR8kXFcdhF/V5GA2fpFvCz+VyZ6fI0YgTBn5feI=
+github.com/sigstore/sigstore-go v0.6.0/go.mod h1:+RyopI/FJDE6z5WVs2sQ2nkc+zsxxByDmbp8a4HoxbA=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.3 h1:LTfPadUAo+PDRUbbdqbeSl2OuoFQwUFTnJ4stu+nwWw=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.3/go.mod h1:QV/Lxlxm0POyhfyBtIbTWxNeF18clMlkkyL9mu45y18=
 github.com/sigstore/sigstore/pkg/signature/kms/azure v1.8.3 h1:xgbPRCr2npmmsuVVteJqi/ERw9+I13Wou7kq0Yk4D8g=
@@ -684,6 +692,8 @@ golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1m
 golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
 golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
 golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
+golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
+golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3 h1:hNQpMuAJe5CtcUqCXaWga3FHu+kQvCqcsoVaQgSV60o=
 golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
@@ -696,6 +706,8 @@ golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
 golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0=
+golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -726,6 +738,8 @@ golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
 golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/oauth2 v0.22.0 h1:BzDx2FehcG7jJwgWLELCdmLuxk2i+x9UDpSiss2u0ZA=
+golang.org/x/oauth2 v0.22.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -736,6 +750,8 @@ golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
 golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -765,6 +781,8 @@ golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
 golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
+golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
@@ -775,6 +793,8 @@ golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
 golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
 golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
+golang.org/x/term v0.23.0 h1:F6D4vR+EHoL9/sWAWgAR1H2DcHr4PareCbAaCo1RpuU=
+golang.org/x/term v0.23.0/go.mod h1:DgV24QBUrK6jhZXl+20l6UWznPlwAHm1Q1mGHtydmSk=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -787,6 +807,8 @@ golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
 golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

internal/builders/go/main.go

@@ -75,8 +75,8 @@ func runBuild(dry bool, configFile, evalEnvs string) error {
 	return nil
 }
 
-func runProvenanceGeneration(subject, digest, commands, envs, workingDir, rekor string) error {
-	s := sigstore.NewBundleSigner(sigstore.DefaultFulcioAddr, rekor)
+func runProvenanceGeneration(subject, digest, commands, envs, workingDir string) error {
+	s := sigstore.NewDefaultBundleSigner()
 
 	attBytes, err := pkg.GenerateProvenance(subject, digest,
 		commands, envs, workingDir, s, nil)
@@ -118,7 +118,6 @@ func main() {
 	provenanceCommand := provenanceCmd.String("command", "", "command used to compile the binary")
 	provenanceEnv := provenanceCmd.String("env", "", "env variables used to compile the binary")
 	provenanceWorkingDir := provenanceCmd.String("workingDir", "", "working directory used to issue compilation commands")
-	provenanceRekor := provenanceCmd.String("rekor", sigstore.DefaultRekorAddr, "rekor server to use for provenance")
 
 	// Expect a sub-command.
 	if len(os.Args) < 2 {
@@ -145,7 +144,7 @@ func main() {
 		}
 
 		err := runProvenanceGeneration(*provenanceName, *provenanceDigest,
-			*provenanceCommand, *provenanceEnv, *provenanceWorkingDir, *provenanceRekor)
+			*provenanceCommand, *provenanceEnv, *provenanceWorkingDir)
 		check(err)
 
 	default:

signing/sigstore/bundle.go

@@ -21,6 +21,7 @@ import (
 
 	intoto "github.com/in-toto/in-toto-golang/in_toto"
 	sigstoreBundle "github.com/sigstore/sigstore-go/pkg/bundle"
+	sigstoreRoot "github.com/sigstore/sigstore-go/pkg/root"
 	sigstoreSign "github.com/sigstore/sigstore-go/pkg/sign"
 	"github.com/slsa-framework/slsa-github-generator/github"
 	"github.com/slsa-framework/slsa-github-generator/signing"
@@ -49,15 +50,7 @@ func (s *sigstoreBundleAtt) Bytes() []byte {
 
 // NewDefaultBundleSigner creates a new BundleSigner instance.
 func NewDefaultBundleSigner() *BundleSigner {
-	return NewBundleSigner(DefaultFulcioAddr, DefaultRekorAddr)
-}
-
-// NewBundleSigner creates a new BundleSigner instance.
-func NewBundleSigner(fulcioAddr, rekorAddr string) *BundleSigner {
-	return &BundleSigner{
-		fulcioAddr: fulcioAddr,
-		rekorAddr:  rekorAddr,
-	}
+	return &BundleSigner{}
 }
 
 // Sign signs the given provenance statement and returns the signed Sigstore Bundle.
@@ -90,12 +83,7 @@ func (s *BundleSigner) Sign(ctx context.Context, statement *intoto.Statement) (s
 	rawToken := TokenStruct.RawToken
 
 	// signing opts.
-	bundleOpts, err := getBundleOpts(
-		ctx,
-		&s.fulcioAddr,
-		&s.rekorAddr,
-		&rawToken,
-	)
+	bundleOpts, err := getBundleOpts(ctx, &rawToken)
 	if err != nil {
 		return nil, err
 	}
@@ -133,24 +121,28 @@ func (s *BundleSigner) Sign(ctx context.Context, statement *intoto.Statement) (s
 // getBundleOpts provides the opts for sigstoreSign.Bundle().
 func getBundleOpts(
 	ctx context.Context,
-	fulcioAddr *string,
-	rekorAddr *string,
 	identityToken *string,
 ) (*sigstoreSign.BundleOptions, error) {
 	bundleOpts := &sigstoreSign.BundleOptions{
 		Context: ctx,
 	}
 
+	trustedRoot, err := sigstoreRoot.FetchTrustedRoot()
+	if err != nil {
+		return nil, err
+	}
+	bundleOpts.TrustedRoot = trustedRoot
+
 	fulcioOpts := &sigstoreSign.FulcioOptions{
-		BaseURL: *fulcioAddr,
+		BaseURL: defaultFulcioAddr,
 	}
 	bundleOpts.CertificateProvider = sigstoreSign.NewFulcio(fulcioOpts)
 	bundleOpts.CertificateProviderOptions = &sigstoreSign.CertificateProviderOptions{
 		IDToken: *identityToken,
 	}
 
 	rekorOpts := &sigstoreSign.RekorOptions{
-		BaseURL: *rekorAddr,
+		BaseURL: DefaultRekorAddr,
 	}
 	bundleOpts.TransparencyLogs = append(bundleOpts.TransparencyLogs, sigstoreSign.NewRekor(rekorOpts))
 	return bundleOpts, nil

signing/sigstore/fulcio.go

@@ -32,8 +32,7 @@ import (
 )
 
 const (
-	// DefaultFulcioAddr is the default Sigstore Fulcio URL.
-	DefaultFulcioAddr   = options.DefaultFulcioURL
+	defaultFulcioAddr   = options.DefaultFulcioURL
 	defaultOIDCIssuer   = options.DefaultOIDCIssuerURL
 	defaultOIDCClientID = "sigstore"
 )
@@ -64,7 +63,7 @@ func (a *attestation) Cert() []byte {
 // NewDefaultFulcio creates a new Fulcio instance using the public Fulcio
 // server and public sigstore OIDC issuer.
 func NewDefaultFulcio() *Fulcio {
-	return NewFulcio(DefaultFulcioAddr, defaultOIDCIssuer, defaultOIDCClientID)
+	return NewFulcio(defaultFulcioAddr, defaultOIDCIssuer, defaultOIDCClientID)
 }
 
 // NewFulcio creates a new Fulcio instance.