diff options
Diffstat (limited to 'libavformat/rtmp.h')
| -rw-r--r-- | libavformat/rtmp.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libavformat/rtmp.h b/libavformat/rtmp.h index 9982d467f3..7c9bb6d766 100644 --- a/libavformat/rtmp.h +++ b/libavformat/rtmp.h @@ -29,6 +29,9 @@ #define RTMP_HANDSHAKE_PACKET_SIZE 1536 +#define HMAC_IPAD_VAL 0x36 +#define HMAC_OPAD_VAL 0x5C + /** * emulated Flash client version - 9.0.124.2 on Linux * @{ @@ -40,4 +43,29 @@ #define RTMP_CLIENT_VER4 2 /** @} */ //version defines +/** + * Calculate HMAC-SHA2 digest for RTMP handshake packets. + * + * @param src input buffer + * @param len input buffer length (should be 1536) + * @param gap offset in buffer where 32 bytes should not be taken into account + * when calculating digest (since it will be used to store that digest) + * @param key digest key + * @param keylen digest key length + * @param dst buffer where calculated digest will be stored (32 bytes) + */ +int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap, + const uint8_t *key, int keylen, uint8_t *dst); + +/** + * Calculate digest position for RTMP handshake packets. + * + * @param buf input buffer (should be 1536 bytes) + * @param off offset in buffer where to start calculating digest position + * @param mod_val value used for computing modulo + * @param add_val value added at the end (after computing modulo) + */ +int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val, + int add_val); + #endif /* AVFORMAT_RTMP_H */ |