diff options
Diffstat (limited to 'sql/rpl_constants.h')
| -rw-r--r-- | sql/rpl_constants.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sql/rpl_constants.h b/sql/rpl_constants.h index b1f1286184e..0a7fde439dd 100644 --- a/sql/rpl_constants.h +++ b/sql/rpl_constants.h @@ -17,6 +17,9 @@ #ifndef RPL_CONSTANTS_H #define RPL_CONSTANTS_H +#include <my_sys.h> +#include <my_crypt.h> + /** Enumeration of the incidents that can occur for the server. */ @@ -78,4 +81,32 @@ enum enum_binlog_checksum_alg { // or events from checksum-unaware servers }; +#define BINLOG_CRYPTO_SCHEME_LENGTH 1 +#define BINLOG_KEY_VERSION_LENGTH 4 +#define BINLOG_IV_LENGTH MY_AES_BLOCK_SIZE +#define BINLOG_IV_OFFS_LENGTH 4 +#define BINLOG_NONCE_LENGTH (BINLOG_IV_LENGTH - BINLOG_IV_OFFS_LENGTH) + +struct Binlog_crypt_data { + uint scheme; + uint key_version, key_length, ctx_size; + uchar key[MY_AES_MAX_KEY_LENGTH]; + uchar nonce[BINLOG_NONCE_LENGTH]; + + int init(uint sch, uint kv) + { + scheme= sch; + ctx_size= encryption_ctx_size(ENCRYPTION_KEY_SYSTEM_DATA, kv); + key_version= kv; + key_length= sizeof(key); + return encryption_key_get(ENCRYPTION_KEY_SYSTEM_DATA, kv, key, &key_length); + } + + void set_iv(uchar* iv, uint32 offs) const + { + memcpy(iv, nonce, BINLOG_NONCE_LENGTH); + int4store(iv + BINLOG_NONCE_LENGTH, offs); + } +}; + #endif /* RPL_CONSTANTS_H */ |