[test] Add NIST self-tests for AES128 and AES256 in CBC mode

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/src/tests/cbc_test.h b/src/tests/cbc_test.h
new file mode 100644
index 0000000..40356cc
--- /dev/null
+++ b/src/tests/cbc_test.h
@@ -0,0 +1,53 @@
+#ifndef _CBC_TEST_H
+#define _CBC_TEST_H
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/crypto.h>
+#include <ipxe/test.h>
+
+extern int cbc_test_encrypt ( struct cipher_algorithm *cipher, const void *key,
+			      size_t key_len, const void *iv,
+			      const void *plaintext,
+			      const void *expected_ciphertext, size_t len );
+extern int cbc_test_decrypt ( struct cipher_algorithm *cipher, const void *key,
+			      size_t key_len, const void *iv,
+			      const void *ciphertext,
+			      const void *expected_plaintext, size_t len );
+
+/**
+ * Report CBC encryption test result
+ *
+ * @v cipher			Cipher algorithm
+ * @v key			Key
+ * @v key_len			Length of key
+ * @v iv			Initialisation vector
+ * @v plaintext			Plaintext data
+ * @v expected_ciphertext	Expected ciphertext data
+ * @v len			Length of data
+ */
+#define cbc_encrypt_ok( cipher, key, key_len, iv, plaintext,		\
+			expected_ciphertext, len ) do {			\
+	ok ( cbc_test_encrypt ( cipher, key, key_len, iv, plaintext,	\
+				expected_ciphertext, len ) );		\
+	} while ( 0 )
+
+/**
+ * Report CBC decryption test result
+ *
+ * @v cipher			Cipher algorithm
+ * @v key			Key
+ * @v key_len			Length of key
+ * @v iv			Initialisation vector
+ * @v ciphertext		Ciphertext data
+ * @v expected_plaintext	Expected plaintext data
+ * @v len			Length of data
+ */
+#define cbc_decrypt_ok( cipher, key, key_len, iv, ciphertext,		\
+			expected_plaintext, len ) do {			\
+	ok ( cbc_test_decrypt ( cipher, key, key_len, iv, ciphertext,	\
+				expected_plaintext, len ) );		\
+	} while ( 0 )
+
+#endif /* _CBC_TEST_H */