pki: Add generic 'priv' key type that loads any type of private key

src/pki/commands/print.c

@@ -89,6 +89,11 @@ static int print()
 					type = CRED_CERTIFICATE;
 					subtype = CERT_TRUSTED_PUBKEY;
 				}
+				else if (streq(arg, "priv"))
+				{
+					type = CRED_PRIVATE_KEY;
+					subtype = KEY_ANY;
+				}
 				else if (streq(arg, "rsa") ||
 						 streq(arg, "rsa-priv"))
 				{
@@ -176,7 +181,7 @@ static void __attribute__ ((constructor))reg()
 	command_register((command_t)
 		{ print, 'a', "print",
 		"print a credential in a human readable form",
-		{"[--in file] [--type x509|crl|ac|pub|rsa|ecdsa|bliss]"},
+		{"[--in file] [--type x509|crl|ac|pub|priv|rsa|ecdsa|bliss]"},
 		{
 			{"help",	'h', 0, "show usage information"},
 			{"in",		'i', 1, "input file, default: stdin"},