Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/crypto/aes_cmac_128.h b/lib/crypto/aes_cmac_128.h
new file mode 100644
index 0000000..9bcf951
--- /dev/null
+++ b/lib/crypto/aes_cmac_128.h
@@ -0,0 +1,47 @@
+/*
+   AES-CMAC-128 (rfc 4493)
+   Copyright (C) Stefan Metzmacher 2012
+
+   This program 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.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef LIB_CRYPTO_AES_CMAC_128_H
+#define LIB_CRYPTO_AES_CMAC_128_H
+
+struct aes_cmac_128_context {
+	AES_KEY aes_key;
+
+	uint64_t __align;
+
+	uint8_t K1[AES_BLOCK_SIZE];
+	uint8_t K2[AES_BLOCK_SIZE];
+
+	uint8_t L[AES_BLOCK_SIZE];
+	uint8_t X[AES_BLOCK_SIZE];
+	uint8_t Y[AES_BLOCK_SIZE];
+
+	uint8_t tmp[AES_BLOCK_SIZE];
+
+	uint8_t last[AES_BLOCK_SIZE];
+	size_t last_len;
+};
+
+void aes_cmac_128_init(struct aes_cmac_128_context *ctx,
+		       const uint8_t K[AES_BLOCK_SIZE]);
+void aes_cmac_128_update(struct aes_cmac_128_context *ctx,
+			 const uint8_t *_msg, size_t _msg_len);
+void aes_cmac_128_final(struct aes_cmac_128_context *ctx,
+			uint8_t T[AES_BLOCK_SIZE]);
+
+#endif /* LIB_CRYPTO_AES_CMAC_128_H */