Signed-off-by: Srish Srinivasan <[email protected]>
---
docs/grub.texi | 6 +
grub-core/Makefile.core.def | 5 +
grub-core/tests/ecb_test.c | 283 ++++++++++++++++++++++++++
grub-core/tests/lib/functional_test.c | 1 +
4 files changed, 295 insertions(+)
create mode 100644 grub-core/tests/ecb_test.c
diff --git a/docs/grub.texi b/docs/grub.texi
index 7181009b6..f90eb992d 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -4092,6 +4092,7 @@ Modules can be loaded via the @command{insmod}
(@pxref{insmod}) command.
* dm_nv_module::
* drivemap_module::
* dsa_sexp_test_module::
+* ecb_test_module::
* echo_module::
* efi_gop_module::
* efi_uga_module::
@@ -4677,6 +4678,11 @@ mappings. @xref{drivemap} for more information.
@section dsa_sexp_test
This module provides a test of the libgcrypt DSA functionality in GRUB.
+@node ecb_test_module
+@section ecb_test
+This module is intended for performing a functional test of the ecb
+mode of operation for various ciphers in GRUB.
+
@node echo_module
@section echo
This module provides support for the @command{echo} to display a line of text.
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index fa4bc54aa..de0e857eb 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -2272,6 +2272,11 @@ module = {
common = tests/argon2_test.c;
};
+module = {
+ name = ecb_test;
+ common = tests/ecb_test.c;
+};
+
module = {
name = legacy_password_test;
common = tests/legacy_password_test.c;
diff --git a/grub-core/tests/ecb_test.c b/grub-core/tests/ecb_test.c
new file mode 100644
index 000000000..b92e0d619
--- /dev/null
+++ b/grub-core/tests/ecb_test.c
@@ -0,0 +1,283 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2025 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/test.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/crypto.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static struct
+{
+ const char *cipher;
+ const char *key;
+ unsigned int keylen;
+ const char *ptext;
+ unsigned int plen;
+ const char *ctext;
+} vectors[] = {
+ {
+ "des",
+ "\x01\x23\x45\x67\x89\xab\xcd\xef",
+ 8,
+ "\x01\x23\x45\x67\x89\xab\xcd\xe7"
+ "\x22\x33\x44\x55\x66\x77\x88\x99"
+ "\xca\xfe\xba\xbe\xfe\xed\xbe\xef",
+ 24,
+ "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d"
+ "\xf7\x9c\x89\x2a\x33\x8f\x4a\x8b"
+ "\xb4\x99\x26\xf7\x1f\xe1\xd4\x90",
+ },
+ {
+ "3des",
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\x55\x55\x55\x55\x55\x55\x55\x55"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 24,
+ "\x73\x6f\x6d\x65\x64\x61\x74\x61",
+ 8,
+ "\x18\xd7\x48\xe5\x63\x62\x05\x72",
+ },
+ {
+ "aes",
+ "\x00\x01\x02\x03\x04\x05\x06\x07"
+ "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
+ 16,
+ "\x00\x11\x22\x33\x44\x55\x66\x77"
+ "\x88\x99\xaa\xbb\xcc\xdd\xee\xff",
+ 16,
+ "\x69\xc4\xe0\xd8\x6a\x7b\x04\x30"
+ "\xd8\xcd\xb7\x80\x70\xb4\xc5\x5a",
+ },
+ {
+ "aes",
+ "\x00\x01\x02\x03\x04\x05\x06\x07"
+ "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
+ "\x10\x11\x12\x13\x14\x15\x16\x17",
+ 24,
+ "\x00\x11\x22\x33\x44\x55\x66\x77"
+ "\x88\x99\xaa\xbb\xcc\xdd\xee\xff",
+ 16,
+ "\xdd\xa9\x7c\xa4\x86\x4c\xdf\xe0"
+ "\x6e\xaf\x70\xa0\xec\x0d\x71\x91",
+ },
+ {
+ "aes",
+ "\x00\x01\x02\x03\x04\x05\x06\x07"
+ "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
+ "\x10\x11\x12\x13\x14\x15\x16\x17"
+ "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f",
+ 32,
+ "\x00\x11\x22\x33\x44\x55\x66\x77"
+ "\x88\x99\xaa\xbb\xcc\xdd\xee\xff",
+ 16,
+ "\x8e\xa2\xb7\xca\x51\x67\x45\xbf"
+ "\xea\xfc\x49\x90\x4b\x49\x60\x89",
+ },
+ {
+ "blowfish",
+ "\xf0\xe1\xd2\xc3\xb4\xa5\x96\x87",
+ 8,
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 8,
+ "\xe8\x7a\x24\x4e\x2c\xc8\x5e\x82",
+ },
+ {
+ "blowfish",
+ "\xf0\xe1\xd2\xc3\xb4\xa5\x96\x87"
+ "\x78\x69\x5a\x4b\x3c\x2d\x1e\x0f",
+ 16,
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 8,
+ "\x93\x14\x28\x87\xee\x3b\xe1\x5c",
+ },
+ {
+ "blowfish",
+ "\xf0\xe1\xd2\xc3\xb4\xa5\x96\x87"
+ "\x78\x69\x5a\x4b\x3c\x2d\x1e\x0f"
+ "\x00\x11\x22\x33\x44",
+ 21,
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 8,
+ "\xe6\xf5\x1e\xd7\x9b\x9d\xb2\x1f",
+ },
+ {
+ "blowfish",
+ "\xf0\xe1\xd2\xc3\xb4\xa5\x96\x87"
+ "\x78\x69\x5a\x4b\x3c\x2d\x1e\x0f"
+ "\x00\x11\x22\x33\x44\x55\x66\x77"
+ "\x04\x68\x91\x04\xc2\xfd\x3b\x2f"
+ "\x58\x40\x23\x64\x1a\xba\x61\x76"
+ "\x1f\x1f\x1f\x1f\x0e\x0e\x0e\x0e"
+ "\xff\xff\xff\xff\xff\xff\xff\xff",
+ 56,
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 8,
+ "\xc0\x45\x04\x01\x2e\x4e\x1f\x53",
+ },
+ {
+ "cast5",
+ "\x01\x23\x45\x67\x12\x34\x56\x78"
+ "\x23\x45\x67\x89\x34\x56\x78\x9a",
+ 16,
+ "\x01\x23\x45\x67\x89\xab\xcd\xef",
+ 8,
+ "\x23\x8b\x4f\xe5\x84\x7e\x44\xb2",
+ },
+ {
+ "cast5",
+ "\x01\x23\x45\x67\x12\x34\x56\x78"
+ "\x23\x45\x00\x00\x00\x00\x00\x00",
+ 16,
+ "\x01\x23\x45\x67\x89\xab\xcd\xef",
+ 8,
+ "\x75\x3d\xe2\x9f\x5d\x16\x7d\x03",
+ },
+ {
+ "camellia128",
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 16,
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 16,
+ "\x67\x67\x31\x38\x54\x96\x69\x73"
+ "\x08\x57\x06\x56\x48\xea\xbe\x43",
+ },
+ {
+ "camellia192",
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10"
+ "\x00\x11\x22\x33\x44\x55\x66\x77",
+ 24,
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 16,
+ "\xb4\x99\x34\x01\xb3\xe9\x96\xf8"
+ "\x4e\xe5\xce\xe7\xd7\x9b\x09\xb9",
+ },
+ {
+ "camellia256",
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10"
+ "\x00\x11\x22\x33\x44\x55\x66\x77"
+ "\x88\x99\xaa\xbb\xcc\xdd\xee\xff",
+ 32,
+ "\x01\x23\x45\x67\x89\xab\xcd\xef"
+ "\xfe\xdc\xba\x98\x76\x54\x32\x10",
+ 16,
+ "\x9a\xcc\x23\x7d\xff\x16\xd7\x6c"
+ "\x20\xef\x7c\x91\x9e\x3a\x75\x09",
+ },
+};
+
+static void
+ecb_test (void)
+{
+ grub_size_t i;
+
+ for (i = 0; i < ARRAY_SIZE (vectors); i++)
+ {
+ gcry_err_code_t err;
+ unsigned char *plaintext, *ciphertext;
+ int rc;
+
+ const gcry_cipher_spec_t *cipher = grub_crypto_lookup_cipher_by_name
(vectors[i].cipher);
+ grub_test_assert (cipher != NULL, "cipher lookup failed for vector %ld
(cipher: %s)", i+1,
+ vectors[i].cipher);
+ if (cipher == NULL)
+ return;
+
+ grub_crypto_cipher_handle_t handle = grub_crypto_cipher_open (cipher);
+ grub_test_assert (handle != NULL, "cipher handle opening failed for vector
%ld (cipher: %s)",
+ i+1, vectors[i].cipher);
+ if (handle == NULL)
+ return;
+
+ err = grub_crypto_cipher_set_key (handle, (grub_uint8_t
*)vectors[i].key, vectors[i].keylen);
+ grub_test_assert (err == GPG_ERR_NO_ERROR,
+ "setting key of length %d failed for vector %ld (cipher:
%s)",
+ vectors[i].keylen, i+1, vectors[i].cipher);
+ if (err != GPG_ERR_NO_ERROR)
+ {
+ grub_crypto_cipher_close(handle);
+ return;
+ }
+
+ /* Test Encryption */
+ ciphertext = grub_zalloc (vectors[i].plen);
+ grub_test_assert (ciphertext != NULL,
+ "ciphertext buffer allocation failed for vector %ld
(cipher: %s)", i+1,
+ vectors[i].cipher);
+ if (ciphertext == NULL)
+ {
+ grub_crypto_cipher_close(handle);
+ return;
+ }
+
+ err = grub_crypto_ecb_encrypt (handle, ciphertext, vectors[i].ptext,
vectors[i].plen);
+ grub_test_assert (err == GPG_ERR_NO_ERROR,
+ "ecb encryption failed for vector %ld (cipher: %s)",
i+1,
+ vectors[i].cipher);
+ if (err != GPG_ERR_NO_ERROR)
+ {
+ grub_crypto_cipher_close(handle);
+ grub_free(ciphertext);
+ return;
+ }
+
+ rc = grub_memcmp (ciphertext, vectors[i].ctext, vectors[i].plen);
+ grub_test_assert (rc == 0, "ciphertext mismatch after encryption for vector
%ld (cipher: %s)",
+ i+1, vectors[i].cipher);
+
+ grub_free(ciphertext);
+
+ /* Test Decryption */
+ plaintext = grub_zalloc (vectors[i].plen);
+ grub_test_assert (plaintext != NULL,
+ "plaintext buffer allocation failed for vector %ld (cipher:
%s)", i+1,
+ vectors[i].cipher);
+ if (plaintext == NULL)
+ {
+ grub_crypto_cipher_close(handle);
+ return;
+ }
+
+ err = grub_crypto_ecb_decrypt (handle, plaintext, vectors[i].ctext,
vectors[i].plen);
+ grub_test_assert (err == GPG_ERR_NO_ERROR,
+ "ecb decryption failed for vector %ld (cipher: %s)",
i+1,
+ vectors[i].cipher);
+ if (err != GPG_ERR_NO_ERROR)
+ {
+ grub_crypto_cipher_close(handle);
+ grub_free(plaintext);
+ return;
+ }
+
+ rc = grub_memcmp (plaintext, vectors[i].ptext, vectors[i].plen);
+ grub_test_assert (rc == 0, "plaintext mismatch after decryption for vector
%ld (cipher: %s)",
+ i+1, vectors[i].cipher);
+
+ grub_free(plaintext);
+ grub_crypto_cipher_close(handle);
+ }
+}
+
+/* Register example_test method as a functional test. */
+GRUB_FUNCTIONAL_TEST (ecb_test, ecb_test);
diff --git a/grub-core/tests/lib/functional_test.c
b/grub-core/tests/lib/functional_test.c
index 776934e1f..b3cc5f5ce 100644
--- a/grub-core/tests/lib/functional_test.c
+++ b/grub-core/tests/lib/functional_test.c
@@ -82,6 +82,7 @@ grub_functional_all_tests (grub_extcmd_context_t ctxt
__attribute__ ((unused)),
grub_dl_load ("shift_test");
grub_dl_load ("asn1_test");
grub_dl_load ("argon2_test");
+ grub_dl_load ("ecb_test");
FOR_LIST_ELEMENTS (test, grub_test_list)
ok = !grub_test_run (test) && ok;
