diff --git a/cluster/prodvider/BUILD.bazel b/cluster/prodvider/BUILD.bazel
index 14690b7..c15ab66 100644
--- a/cluster/prodvider/BUILD.bazel
+++ b/cluster/prodvider/BUILD.bazel
@@ -5,6 +5,7 @@
     name = "go_default_library",
     srcs = [
         "certs.go",
+        "hspki.go",
         "kubernetes.go",
         "main.go",
         "service.go",
@@ -15,6 +16,7 @@
         "//cluster/prodvider/proto:go_default_library",
         "@com_github_cloudflare_cfssl//config:go_default_library",
         "@com_github_cloudflare_cfssl//csr:go_default_library",
+        "@com_github_cloudflare_cfssl//helpers:go_default_library",
         "@com_github_cloudflare_cfssl//signer:go_default_library",
         "@com_github_cloudflare_cfssl//signer/local:go_default_library",
         "@com_github_golang_glog//:go_default_library",
@@ -59,6 +61,6 @@
     image = ":runtime",
     format = "Docker",
     registry = "registry.k0.hswaw.net",
-    repository = "cluster/prodvider",
+    repository = "q3k/prodvider",
     tag = "{BUILD_TIMESTAMP}-{STABLE_GIT_COMMIT}",
 )
diff --git a/cluster/prodvider/hspki.go b/cluster/prodvider/hspki.go
new file mode 100644
index 0000000..243a424
--- /dev/null
+++ b/cluster/prodvider/hspki.go
@@ -0,0 +1,99 @@
+package main
+
+import (
+	"encoding/pem"
+	"fmt"
+	"time"
+
+	"github.com/cloudflare/cfssl/config"
+	"github.com/cloudflare/cfssl/csr"
+	"github.com/cloudflare/cfssl/helpers"
+	"github.com/cloudflare/cfssl/signer"
+	"github.com/cloudflare/cfssl/signer/local"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	pb "code.hackerspace.pl/hscloud/cluster/prodvider/proto"
+)
+
+func (p *prodvider) hspkiSigner() (*local.Signer, error) {
+	policy := &config.Signing{
+		Profiles: map[string]*config.SigningProfile{
+			"client": &config.SigningProfile{
+				Usage:        []string{"signing", "key encipherment", "client auth"},
+				ExpiryString: "30d",
+			},
+		},
+		Default: config.DefaultConfig(),
+	}
+
+	secret, err := p.k8s.CoreV1().Secrets("cert-manager").Get("pki-selfsigned-cert", metav1.GetOptions{})
+	if err != nil {
+		return nil, fmt.Errorf("hspki secret get failed: %w", err)
+	}
+
+	parsedCa, err := helpers.ParseCertificatePEM(secret.Data["tls.crt"])
+	if err != nil {
+		return nil, fmt.Errorf("when parsing tls.crt: %w", err)
+	}
+
+	priv, err := helpers.ParsePrivateKeyPEMWithPassword(secret.Data["tls.key"], nil)
+	if err != nil {
+		return nil, fmt.Errorf("when parsing tls.key: %w", err)
+	}
+
+	return local.NewSigner(priv, parsedCa, signer.DefaultSigAlgo(priv), policy)
+}
+
+func (p *prodvider) hspkiCreds(username string) (*pb.HSPKIKeys, error) {
+	principal := fmt.Sprintf("%s.sso.hswaw.net", username)
+
+	s, err := p.hspkiSigner()
+	if err != nil {
+		return nil, fmt.Errorf("hspkiSigner: %w", err)
+	}
+
+	signerCert, _ := s.Certificate("", "")
+	req := &csr.CertificateRequest{
+		CN: principal,
+		KeyRequest: &csr.BasicKeyRequest{
+			A: "rsa",
+			S: 4096,
+		},
+		Names: []csr.Name{
+			{
+				O:  "prodvider",
+				OU: fmt.Sprintf("Prodvider HSPKI Cert for %s", username),
+			},
+		},
+	}
+
+	g := &csr.Generator{
+		Validator: func(req *csr.CertificateRequest) error { return nil },
+	}
+
+	csrPEM, keyPEM, err := g.ProcessRequest(req)
+	if err != nil {
+		return nil, fmt.Errorf("when making CSR: %w", err)
+	}
+
+	signReq := signer.SignRequest{
+		Hosts:    []string{},
+		Request:  string(csrPEM),
+		Profile:  "client",
+		NotAfter: time.Now().Add(9 * time.Hour),
+	}
+
+	certPEM, err := s.Sign(signReq)
+	if err != nil {
+		return nil, fmt.Errorf("when issuing certificate: %w", err)
+	}
+
+	caPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: signerCert.Raw})
+
+	return &pb.HSPKIKeys{
+		Ca:        caPEM,
+		Cert:      certPEM,
+		Key:       keyPEM,
+		Principal: principal,
+	}, nil
+}
diff --git a/cluster/prodvider/proto/BUILD.bazel b/cluster/prodvider/proto/BUILD.bazel
index 2efd457..0817dfb 100644
--- a/cluster/prodvider/proto/BUILD.bazel
+++ b/cluster/prodvider/proto/BUILD.bazel
@@ -1,3 +1,4 @@
+load("@rules_proto//proto:defs.bzl", "proto_library")
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
 load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library")
 
diff --git a/cluster/prodvider/proto/prodvider.proto b/cluster/prodvider/proto/prodvider.proto
index 1ae2798..ba5bf9d 100644
--- a/cluster/prodvider/proto/prodvider.proto
+++ b/cluster/prodvider/proto/prodvider.proto
@@ -15,6 +15,7 @@
     }
     Result result = 1;
     KubernetesKeys kubernetes_keys = 2;
+    HSPKIKeys hspki_keys = 3;
 }
 
 message KubernetesKeys {
@@ -24,6 +25,13 @@
     bytes key = 4;
 }
 
+message HSPKIKeys {
+    bytes ca = 1;
+    bytes cert = 2;
+    bytes key = 3;
+    string principal = 4;
+}
+
 service Prodvider {
     rpc Authenticate(AuthenticateRequest) returns (AuthenticateResponse);
 }
diff --git a/cluster/prodvider/service.go b/cluster/prodvider/service.go
index 0409884..17dfe6e 100644
--- a/cluster/prodvider/service.go
+++ b/cluster/prodvider/service.go
@@ -69,14 +69,22 @@
 		return nil, status.Error(codes.Unavailable, "could not set up objects in Kubernetes")
 	}
 
-	keys, err := p.kubernetesCreds(username)
+	kubernetesKeys, err := p.kubernetesCreds(username)
 	if err != nil {
 		glog.Errorf("kubernetesCreds(%q): %v", username, err)
 		return nil, status.Error(codes.Unavailable, "could not generate k8s keys")
 	}
+
+	hspkiKeys, err := p.hspkiCreds(username)
+	if err != nil {
+		glog.Errorf("hspkiCreds(%q): %v", username, err)
+		return nil, status.Error(codes.Unavailable, "could not generate hspki keys")
+	}
+
 	return &pb.AuthenticateResponse{
 		Result:         pb.AuthenticateResponse_RESULT_AUTHENTICATED,
-		KubernetesKeys: keys,
+		KubernetesKeys: kubernetesKeys,
+		HspkiKeys:      hspkiKeys,
 	}, nil
 }