Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6e3e281f authored by David Woodhouse's avatar David Woodhouse Committed by David Howells
Browse files

modsign: Allow signing key to be PKCS#11



This is only the key; the corresponding *cert* still needs to be in
$(topdir)/signing_key.x509. And there's no way to actually use this
from the build system yet.

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent af1eb291
Loading
Loading
Loading
Loading
+24 −5
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/err.h>
#include <openssl/engine.h>

struct module_signature {
	uint8_t		algo;		/* Public-key crypto algorithm [0] */
@@ -154,11 +155,29 @@ int main(int argc, char **argv)
	/* Read the private key and the X.509 cert the PKCS#7 message
	 * will point to.
	 */
	if (!strncmp(private_key_name, "pkcs11:", 7)) {
		ENGINE *e;

		ENGINE_load_builtin_engines();
		drain_openssl_errors();
		e = ENGINE_by_id("pkcs11");
		ERR(!e, "Load PKCS#11 ENGINE");
		if (ENGINE_init(e))
			drain_openssl_errors();
		else
			ERR(1, "ENGINE_init");
		if (key_pass)
			ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
		private_key = ENGINE_load_private_key(e, private_key_name, NULL,
						      NULL);
		ERR(!private_key, "%s", private_key_name);
	} else {
		b = BIO_new_file(private_key_name, "rb");
		ERR(!b, "%s", private_key_name);
		private_key = PEM_read_bio_PrivateKey(b, NULL, pem_pw_cb, NULL);
		ERR(!private_key, "%s", private_key_name);
		BIO_free(b);
	}

	b = BIO_new_file(x509_name, "rb");
	ERR(!b, "%s", x509_name);