From 37e52c3fbf9f7d34b4af8a4fbd78172e44eedbab Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@revosec.ch>
Date: Thu, 19 Aug 2010 12:18:11 +0200
Subject: Added a crypto transform stress test for profiling

---
 scripts/crypt_burn.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 scripts/crypt_burn.c

(limited to 'scripts/crypt_burn.c')

diff --git a/scripts/crypt_burn.c b/scripts/crypt_burn.c
new file mode 100644
index 000000000..25f18d47e
--- /dev/null
+++ b/scripts/crypt_burn.c
@@ -0,0 +1,102 @@
+
+#include <stdio.h>
+#include <library.h>
+#include <crypto/proposal/proposal_keywords.h>
+
+int main(int argc, char *argv[])
+{
+	const proposal_token_t *token;
+	aead_t *aead;
+	crypter_t *crypter;
+	char buffer[1024], assoc[8], iv[32];
+	size_t bs;
+	int i = 0, limit = 0;
+
+
+	library_init(NULL);
+	lib->plugins->load(lib->plugins, NULL, PLUGINS);
+	atexit(library_deinit);
+
+	printf("loaded: %s\n", PLUGINS);
+
+	memset(buffer, 0x12, sizeof(buffer));
+	memset(assoc, 0x34, sizeof(assoc));
+	memset(iv, 0x56, sizeof(iv));
+
+	if (argc < 2)
+	{
+		fprintf(stderr, "usage: %s <algorithm>!\n", argv[0]);
+		return 1;
+	}
+	if (argc > 2)
+	{
+		limit = atoi(argv[2]);
+	}
+
+	token = proposal_get_token(argv[1], strlen(argv[1]));
+	if (!token)
+	{
+		fprintf(stderr, "algorithm '%s' unknown!\n", argv[1]);
+		return 1;
+	}
+	if (token->type != ENCRYPTION_ALGORITHM)
+	{
+		fprintf(stderr, "'%s' is not an encryption/aead algorithm!\n", argv[1]);
+		return 1;
+	}
+
+	if (encryption_algorithm_is_aead(token->algorithm))
+	{
+		aead = lib->crypto->create_aead(lib->crypto,
+										token->algorithm, token->keysize / 8);
+		if (!aead)
+		{
+			fprintf(stderr, "aead '%s' not supported!\n", argv[1]);
+			return 1;
+		}
+		while (TRUE)
+		{
+			aead->encrypt(aead,
+				chunk_create(buffer, sizeof(buffer) - aead->get_icv_size(aead)),
+				chunk_from_thing(assoc),
+				chunk_create(iv, aead->get_iv_size(aead)), NULL);
+			if (!aead->decrypt(aead, chunk_create(buffer, sizeof(buffer)),
+				chunk_from_thing(assoc),
+				chunk_create(iv, aead->get_iv_size(aead)), NULL))
+			{
+				fprintf(stderr, "aead integrity check failed!\n");
+				return FALSE;
+			}
+			if (limit && ++i == limit)
+			{
+				break;
+			}
+		}
+	}
+	else
+	{
+		crypter = lib->crypto->create_crypter(lib->crypto,
+										token->algorithm, token->keysize / 8);
+		if (!crypter)
+		{
+			fprintf(stderr, "crypter '%s' not supported!\n", argv[1]);
+			return 1;
+		}
+		bs = crypter->get_block_size(crypter);
+
+		while (i--)
+		{
+			crypter->encrypt(crypter,
+				chunk_create(buffer, sizeof(buffer) / bs * bs),
+				chunk_create(iv, crypter->get_iv_size(crypter)), NULL);
+			crypter->decrypt(crypter,
+				chunk_create(buffer, sizeof(buffer) / bs * bs),
+				chunk_create(iv, crypter->get_iv_size(crypter)), NULL);
+			if (limit && ++i == limit)
+			{
+				break;
+			}
+		}
+	}
+	return 0;
+}
-- 
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