Sync/upstream

.go-version

@@ -1 +1 @@
-1.24.7
+1.26.2

.golangci.yml

@@ -0,0 +1,15 @@
+version: "2"
+
+# golangci-lint configuration
+# https://golangci-lint.run/usage/configuration/
+
+linters:
+  enable:
+    - staticcheck
+  exclusions:
+    rules:
+      # Exclude SA1019 (deprecated) warnings for v1beta1 KMS API
+      # v1beta1 KMS API is intentionally used for backwards compatibility
+      - linters:
+          - staticcheck
+        text: "SA1019:"

.travis.yml

@@ -1,7 +1,7 @@
 language: go
 go_import_path: sigs.k8s.io/aws-encryption-provider
 go:
-  - 1.24.x
+  - 1.25.x
 
 sudo: false
 

Dockerfile

@@ -8,16 +8,16 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-ARG BUILDER=public.ecr.aws/eks-distro-build-tooling/golang:1.24.7-gcc
-ARG BASE_IMAGE=public.ecr.aws/eks-distro/kubernetes/go-runner:v0.18.0-eks-1-34-latest
+ARG BUILDER=public.ecr.aws/eks-distro-build-tooling/golang:1.26.2-gcc
+ARG BASE_IMAGE=public.ecr.aws/eks-distro-build-tooling/go-runner:v0.18.0-go-1.26.2.2023
 
 FROM --platform=$BUILDPLATFORM ${BUILDER} AS build
 WORKDIR /go/src/sigs.k8s.io/aws-encryption-provider
 ARG TAG
 COPY . ./
 ENV GO111MODULE=on
 ARG TARGETOS TARGETARCH
-RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags \
+RUN GOPROXY=direct GOSUMDB=off GONOSUMDB="*" CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags \
     "-w -s -X sigs.k8s.io/aws-encryption-provider/pkg/version.Version=$TAG" \
     -o bin/aws-encryption-provider cmd/server/main.go
 

OWNERS_ALIASES

@@ -7,6 +7,7 @@ aliases:
     - xdu31
     - yue9944882
     - haoranleo
+    - kmala
   maintainers:
     - justinsb
     - micahhausler
@@ -15,3 +16,4 @@ aliases:
     - xdu31
     - yue9944882
     - haoranleo
+    - kmala

cloudbuild.yaml

@@ -5,7 +5,7 @@ options:
   dynamic_substitutions: true
 
 steps:
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20250116-2a05ea7e3d'
+  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20260205-38cfa9523f'
     entrypoint: make
     env:
       - REPO=us-central1-docker.pkg.dev/k8s-staging-images/aws-encryption-provider

cmd/client/main.go

@@ -47,7 +47,6 @@ func main() {
 
 	ctx := context.Background()
 
-	//nolint:staticcheck
 	vReq := &pb.VersionRequest{}
 	vRes, err := client.Version(ctx, vReq)
 	if err != nil {
@@ -67,7 +66,7 @@ func main() {
 
 		switch splits[0] {
 		case "encrypt":
-			//nolint:staticcheck
+
 			eReq := &pb.EncryptRequest{Plain: []byte(splits[1])}
 			res, err := client.Encrypt(ctx, eReq)
 			if err != nil {
@@ -79,7 +78,7 @@ func main() {
 			if err != nil {
 				log.Fatalf("Failed to decode: %v", err)
 			}
-			//nolint:staticcheck
+
 			dReq := &pb.DecryptRequest{Cipher: b}
 			res, err := client.Decrypt(ctx, dReq)
 			if err != nil {

cmd/server/main.go

@@ -48,6 +48,7 @@ func main() {
 		burstLimit         = flag.Int("burst-limit", 0, "(deprecated) number of tokens that can be consumed in a single call, use --retry-token-capacity instead")
 		retryTokenCapacity = flag.Int("retry-token-capacity", 0, "number of tokens for client-side AWS rate-limiting on retries")
 		encryptionCtxsArr  = flag.StringArray("encryption-context", []string{}, "AWS KMS Encryption Context (e.g. 'a=b,c=d')")
+		sourceArn          = flag.String("source-arn", "", "AWS source ARN for confused deputy protection")
 		debug              = flag.Bool("debug", false, "Print debug level logs")
 	)
 	flag.Parse()
@@ -92,7 +93,7 @@ func main() {
 		zap.Int("burst-limit", *burstLimit),
 		zap.Int("retry-token-capacity", *retryTokenCapacity),
 	)
-	c, err := cloud.New(*region, *kmsEndpoint, *qpsLimit, *burstLimit, *retryTokenCapacity)
+	c, err := cloud.New(*region, *kmsEndpoint, *qpsLimit, *burstLimit, *retryTokenCapacity, *sourceArn)
 	if err != nil {
 		zap.L().Fatal("Failed to create new KMS service", zap.Error(err))
 	}

go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/aws-encryption-provider
 
-go 1.24.7
+go 1.26.2
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.39.2
@@ -12,8 +12,8 @@ require (
 	github.com/spf13/pflag v1.0.6
 	github.com/stretchr/testify v1.10.0
 	go.uber.org/zap v1.27.0
-	google.golang.org/grpc v1.71.0
-	k8s.io/kms v0.33.0
+	google.golang.org/grpc v1.79.3
+	k8s.io/kms v0.36.0
 )
 
 require (
@@ -29,18 +29,17 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/klauspost/compress v1.17.11 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.62.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
-	golang.org/x/net v0.38.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect
-	google.golang.org/protobuf v1.36.5 // indirect
+	golang.org/x/net v0.49.0 // indirect
+	golang.org/x/sys v0.40.0 // indirect
+	golang.org/x/text v0.33.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 // indirect
+	google.golang.org/protobuf v1.36.12-0.20260120151049-f2248ac996af // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -32,20 +32,16 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
-github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
-github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
 github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
@@ -72,67 +68,42 @@ github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
 github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
-go.opentelemetry.io/otel v1.34.0 h1:zRLXxLCgL1WyKsPVrgbSdMN4c0FMkDAskSTQP+0hdUY=
-go.opentelemetry.io/otel v1.34.0/go.mod h1:OWFPOQ+h4G8xpyjgqo4SxJYdDQ/qmRH+wivy7zzx9oI=
-go.opentelemetry.io/otel/metric v1.34.0 h1:+eTR3U0MyfWjRDhmFMxe2SsW64QrZ84AOhvqS7Y+PoQ=
-go.opentelemetry.io/otel/metric v1.34.0/go.mod h1:CEDrp0fy2D0MvkXE+dPV7cMi8tWZwX3dmaIhwPOaqHE=
-go.opentelemetry.io/otel/sdk v1.34.0 h1:95zS4k/2GOy069d321O8jWgYsW3MzVV+KuSPKp7Wr1A=
-go.opentelemetry.io/otel/sdk v1.34.0/go.mod h1:0e/pNiaMAqaykJGKbi+tSjWfNNHMTxoC9qANsCzbyxU=
-go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce1EK0Gyvahk=
-go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
-go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
-go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
+go.opentelemetry.io/otel v1.41.0 h1:YlEwVsGAlCvczDILpUXpIpPSL/VPugt7zHThEMLce1c=
+go.opentelemetry.io/otel v1.41.0/go.mod h1:Yt4UwgEKeT05QbLwbyHXEwhnjxNO6D8L5PQP51/46dE=
+go.opentelemetry.io/otel/metric v1.39.0 h1:d1UzonvEZriVfpNKEVmHXbdf909uGTOQjA0HF0Ls5Q0=
+go.opentelemetry.io/otel/metric v1.39.0/go.mod h1:jrZSWL33sD7bBxg1xjrqyDjnuzTUB0x1nBERXd7Ftcs=
+go.opentelemetry.io/otel/sdk v1.39.0 h1:nMLYcjVsvdui1B/4FRkwjzoRVsMK8uL/cj0OyhKzt18=
+go.opentelemetry.io/otel/sdk v1.39.0/go.mod h1:vDojkC4/jsTJsE+kh+LXYQlbL8CgrEcwmt1ENZszdJE=
+go.opentelemetry.io/otel/sdk/metric v1.40.0 h1:mtmdVqgQkeRxHgRv4qhyJduP3fYJRMX4AtAlbuWdCYw=
+go.opentelemetry.io/otel/sdk/metric v1.40.0/go.mod h1:4Z2bGMf0KSK3uRjlczMOeMhKU2rhUqdWNoKcYrtcBPg=
+go.opentelemetry.io/otel/trace v1.39.0 h1:2d2vfpEDmCJ5zVYz7ijaJdOF59xLomrvj7bjt6/qCJI=
+go.opentelemetry.io/otel/trace v1.39.0/go.mod h1:88w4/PnZSazkGzz/w84VHpQafiU4EtqqlVdxWy+rNOA=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
 go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
-golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f h1:OxYkA3wjPsZyBylwymxSHa7ViiW1Sml4ToBrncvFehI=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f/go.mod h1:+2Yz8+CLJbIfL9z73EW45avw8Lmge3xVElCP9zEKi50=
-google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
-google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
-google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
-google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
+golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
+golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
+golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
+golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 h1:H86B94AW+VfJWDqFeEbBPhEtHzJwJfTbgE2lZa54ZAQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
+google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
+google.golang.org/protobuf v1.36.12-0.20260120151049-f2248ac996af h1:+5/Sw3GsDNlEmu7TfklWKPdQ0Ykja5VEmq2i817+jbI=
+google.golang.org/protobuf v1.36.12-0.20260120151049-f2248ac996af/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-k8s.io/kms v0.33.0 h1:fhQSW/vyaWDhMp0vDuO/sLg2RlGZf4F77beSXcB4/eE=
-k8s.io/kms v0.33.0/go.mod h1:C1I8mjFFBNzfUZXYt9FZVJ8MJl7ynFbGgZFbBzkBJ3E=
+k8s.io/kms v0.36.0 h1:DPy0VDWi6hCgFMgzV5cNuSDrIROMRcJpTZ1GnB+D368=
+k8s.io/kms v0.36.0/go.mod h1:g91diTD9h0oJCCHkTb00krlF+Qm5HTnkWLi9Q/TpRoc=

hack/verify-golint.sh

@@ -22,7 +22,7 @@ go version
 
 if ! which golangci-lint > /dev/null; then
     echo "Cannot find golangci-lint. Installing golangci-lint..."
-    GO111MODULE=on go install -v github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.1.2
+    GO111MODULE=on go install -v github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.11.4
 fi
 
 $(go env GOPATH)/bin/golangci-lint run --timeout=10m

pkg/cloud/cloud.go

@@ -18,20 +18,28 @@ import (
 	"fmt"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/aws/arn"
 	"github.com/aws/aws-sdk-go-v2/aws/ratelimit"
 	"github.com/aws/aws-sdk-go-v2/aws/retry"
 	"github.com/aws/aws-sdk-go-v2/config"
 	"github.com/aws/aws-sdk-go-v2/feature/ec2/imds"
 	"github.com/aws/aws-sdk-go-v2/service/kms"
+	smithymiddleware "github.com/aws/smithy-go/middleware"
+	smithyhttp "github.com/aws/smithy-go/transport/http"
 	"go.uber.org/zap"
 )
 
+const (
+	headerSourceArn     = "x-amz-source-arn"
+	headerSourceAccount = "x-amz-source-account"
+)
+
 type AWSKMSv2 interface {
 	Encrypt(ctx context.Context, params *kms.EncryptInput, optFns ...func(*kms.Options)) (*kms.EncryptOutput, error)
 	Decrypt(ctx context.Context, params *kms.DecryptInput, optFns ...func(*kms.Options)) (*kms.DecryptOutput, error)
 }
 
-func New(region, kmsEndpoint string, qps, burst, retryTokenCapacity int) (AWSKMSv2, error) {
+func New(region, kmsEndpoint string, qps, burst, retryTokenCapacity int, sourceArn string) (AWSKMSv2, error) {
 	var optFns []func(*config.LoadOptions) error
 	if region != "" {
 		optFns = append(optFns, config.WithRegion(region))
@@ -69,6 +77,11 @@ func New(region, kmsEndpoint string, qps, burst, retryTokenCapacity int) (AWSKMS
 		return nil, fmt.Errorf("failed to create AWS config: %w", err)
 	}
 
+	err = addConfusedDeputyHeaders(&cfg, sourceArn)
+	if err != nil {
+		return nil, err
+	}
+
 	if cfg.Region == "" {
 		ec2 := imds.NewFromConfig(cfg)
 		region, err := ec2.GetRegion(context.Background(), &imds.GetRegionInput{})
@@ -88,3 +101,48 @@ func New(region, kmsEndpoint string, qps, burst, retryTokenCapacity int) (AWSKMS
 	client := kms.NewFromConfig(cfg, kmsOptFns...)
 	return client, nil
 }
+
+func addConfusedDeputyHeaders(cfg *aws.Config, sourceArn string) error {
+	if sourceArn != "" {
+		sourceAccount, err := getSourceAccount(sourceArn)
+		if err != nil {
+			return err
+		}
+
+		cfg.APIOptions = append(cfg.APIOptions, func(stack *smithymiddleware.Stack) error {
+			return stack.Build.Add(smithymiddleware.BuildMiddlewareFunc("KMSConfusedDeputyHeaders", func(
+				ctx context.Context, in smithymiddleware.BuildInput, next smithymiddleware.BuildHandler,
+			) (smithymiddleware.BuildOutput, smithymiddleware.Metadata, error) {
+				req, ok := in.Request.(*smithyhttp.Request)
+				if ok {
+					req.Header.Set(headerSourceAccount, sourceAccount)
+					req.Header.Set(headerSourceArn, sourceArn)
+				}
+				return next.HandleBuild(ctx, in)
+			}), smithymiddleware.Before)
+		})
+
+		zap.L().Info("configuring KMS client with confused deputy headers",
+			zap.String("sourceArn", sourceArn),
+			zap.String("sourceAccount", sourceAccount),
+		)
+	}
+	return nil
+}
+
+// getSourceAccount constructs source account and return them for use
+func getSourceAccount(sourceArn string) (string, error) {
+	// ARN format (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference-arns.html)
+	// arn:partition:service:region:account-id:resource-type/resource-id
+	// arn:aws:eks:region:account:cluster/cluster-name
+	if !arn.IsARN(sourceArn) {
+		return "", fmt.Errorf("incorrect ARN format for source arn: %s", sourceArn)
+	}
+
+	parsedArn, err := arn.Parse(sourceArn)
+	if err != nil {
+		return "", err
+	}
+
+	return parsedArn.AccountID, nil
+}