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authorSven Gothel <[email protected]>2013-08-27 23:38:51 +0200
committerSven Gothel <[email protected]>2013-08-27 23:38:51 +0200
commit70fb61d39f4e40de62dd44b2d8c88d43b9efaf42 (patch)
tree846bd404cae673b19f4a07f051e483bc58d6189b /make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h
parentb7e1dcb2b510c91a0e61bea12d0fc153878f894a (diff)
Fix libav/ffmpeg compilation across platforms: Move header back to 'stub_includes'
Diffstat (limited to 'make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h')
-rw-r--r--make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h b/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h
new file mode 100644
index 000000000..8c29536cf
--- /dev/null
+++ b/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/blowfish.h
@@ -0,0 +1,76 @@
+/*
+ * Blowfish algorithm
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_BLOWFISH_H
+#define AVUTIL_BLOWFISH_H
+
+#include <stdint.h>
+
+/**
+ * @defgroup lavu_blowfish Blowfish
+ * @ingroup lavu_crypto
+ * @{
+ */
+
+#define AV_BF_ROUNDS 16
+
+typedef struct AVBlowfish {
+ uint32_t p[AV_BF_ROUNDS + 2];
+ uint32_t s[4][256];
+} AVBlowfish;
+
+/**
+ * Initialize an AVBlowfish context.
+ *
+ * @param ctx an AVBlowfish context
+ * @param key a key
+ * @param key_len length of the key
+ */
+void av_blowfish_init(struct AVBlowfish *ctx, const uint8_t *key, int key_len);
+
+/**
+ * Encrypt or decrypt a buffer using a previously initialized context.
+ *
+ * @param ctx an AVBlowfish context
+ * @param xl left four bytes halves of input to be encrypted
+ * @param xr right four bytes halves of input to be encrypted
+ * @param decrypt 0 for encryption, 1 for decryption
+ */
+void av_blowfish_crypt_ecb(struct AVBlowfish *ctx, uint32_t *xl, uint32_t *xr,
+ int decrypt);
+
+/**
+ * Encrypt or decrypt a buffer using a previously initialized context.
+ *
+ * @param ctx an AVBlowfish context
+ * @param dst destination array, can be equal to src
+ * @param src source array, can be equal to dst
+ * @param count number of 8 byte blocks
+ * @param iv initialization vector for CBC mode, if NULL ECB will be used
+ * @param decrypt 0 for encryption, 1 for decryption
+ */
+void av_blowfish_crypt(struct AVBlowfish *ctx, uint8_t *dst, const uint8_t *src,
+ int count, uint8_t *iv, int decrypt);
+
+/**
+ * @}
+ */
+
+#endif /* AVUTIL_BLOWFISH_H */