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authorXiang Gao <qasdfgtyuiop@gmail.com>2017-10-10 22:31:49 -0400
committerJohannes Berg <johannes.berg@intel.com>2017-10-11 09:37:35 +0200
commit4133da73067af0417c623eb4ad5e85081ccbf4b4 (patch)
tree86ca2fa1fd06c84662778f34b8de6d01e3c9ede4 /net/mac80211/aead_api.h
parent8c03145a2e2d98d44dba4bf16ab34636eb60b834 (diff)
downloadlinux-4133da73067af0417c623eb4ad5e85081ccbf4b4.tar.bz2
mac80211: aead api to reduce redundancy
Currently, the aes_ccm.c and aes_gcm.c are almost line by line copy of each other. This patch reduce code redundancy by moving the code in these two files to crypto/aead_api.c to make it a higher level aead api. The file aes_ccm.c and aes_gcm.c are removed and all the functions there are now implemented in their headers using the newly added aead api. Signed-off-by: Xiang Gao <qasdfgtyuiop@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/aead_api.h')
-rw-r--r--net/mac80211/aead_api.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/net/mac80211/aead_api.h b/net/mac80211/aead_api.h
new file mode 100644
index 000000000000..5e39ea843bbf
--- /dev/null
+++ b/net/mac80211/aead_api.h
@@ -0,0 +1,27 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _AEAD_API_H
+#define _AEAD_API_H
+
+#include <crypto/aead.h>
+#include <linux/crypto.h>
+
+struct crypto_aead *
+aead_key_setup_encrypt(const char *alg, const u8 key[],
+ size_t key_len, size_t mic_len);
+
+int aead_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
+ size_t aad_len, u8 *data,
+ size_t data_len, u8 *mic);
+
+int aead_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
+ size_t aad_len, u8 *data,
+ size_t data_len, u8 *mic);
+
+void aead_key_free(struct crypto_aead *tfm);
+
+#endif /* _AEAD_API_H */