Add Restricted PSS certificate and key

Create a PSS certificate with parameter restrictions
Reviewed-by: NPaul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9553)

(cherry picked from commit 39d9ea5e502114a204750f641ca76ff5b4912401)

test/certs/mkcert.sh

@@ -233,6 +233,35 @@ genee() {
 	    -set_serial 2 -days "${DAYS}" "$@"
 }
 
+geneenocsr() {
+    local OPTIND=1
+    local purpose=serverAuth
+
+    while getopts p: o
+    do
+        case $o in
+        p) purpose="$OPTARG";;
+        *) echo "Usage: $0 genee [-p EKU] cn certname cakeyname cacertname" >&2
+           return 1;;
+        esac
+    done
+
+    shift $((OPTIND - 1))
+    local cn=$1; shift
+    local cert=$1; shift
+    local cakey=$1; shift
+    local ca=$1; shift
+
+    exts=$(printf "%s\n%s\n%s\n%s\n%s\n[alts]\n%s\n" \
+	    "subjectKeyIdentifier = hash" \
+	    "authorityKeyIdentifier = keyid, issuer" \
+	    "basicConstraints = CA:false" \
+	    "extendedKeyUsage = $purpose" \
+	    "subjectAltName = @alts" "DNS=${cn}")
+	cert "$cert" "$exts" -CA "${ca}.pem" -CAkey "${cakey}.pem" \
+	    -set_serial 2 -days "${DAYS}" "$@"
+}
+
 genss() {
     local cn=$1; shift
     local key=$1; shift

test/certs/server-pss-restrict-cert.pem

+-----BEGIN CERTIFICATE-----
+MIIDYjCCAkqgAwIBAgIBAjANBgkqhkiG9w0BAQsFADASMRAwDgYDVQQDDAdSb290
+IENBMCAXDTE5MDgwODEwNDMxMFoYDzIxMTkwODA5MTA0MzEwWjAUMRIwEAYDVQQD
+DAlsb2NhbGhvc3QwggFSMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZIAWUDBAIBoRow
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+/vDI5hPj9RHvjjta6FQx140wA6c8ZB59x9YIv1alJWf6s3+TM8bv70L/aBBT8+IM
+vwjUz9Gp
+-----END CERTIFICATE-----

test/certs/server-pss-restrict-key.pem

+-----BEGIN PRIVATE KEY-----
+MIIE7wIBADA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEaMBgGCSqGSIb3
+DQEBCDALBglghkgBZQMEAgGiAwIBIASCBKkwggSlAgEAAoIBAQDDlygksUEAajpd
+Vquo9XIAyTd9ZJ+55hNmhBfhn3lHz3ryPD+0XlgCE9qsKwfR7iYaqmnNilQnsxWp
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+/1Mimi/sFC/K5SJFDCjlA4UJYZOuItdFYkCun1t8foaqx3cLQ98u2SuDWwmOzqG9
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+3kuSVh03vVBdaP//qMPyeue17w==
+-----END PRIVATE KEY-----

test/certs/setup.sh

@@ -369,3 +369,9 @@ REQMASK=MASK:0x800 ./mkcert.sh req badalt7-key "O = Bad NC Test Certificate 7" \
 OPENSSL_KEYALG=ec OPENSSL_KEYBITS=brainpoolP256r1 ./mkcert.sh genee \
     "Server ECDSA brainpoolP256r1 cert" server-ecdsa-brainpoolP256r1-key \
     server-ecdsa-brainpoolP256r1-cert rootkey rootcert
+
+openssl req -new -nodes -subj "/CN=localhost" \
+    -newkey rsa-pss -keyout server-pss-restrict-key.pem \
+    -pkeyopt rsa_pss_keygen_md:sha256 -pkeyopt rsa_pss_keygen_saltlen:32 | \
+    ./mkcert.sh geneenocsr "Server RSA-PSS restricted cert" \
+    server-pss-restrict-cert rootkey rootcert