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HTTP Live Streaming (also known as HLS) is an HTTP-based adaptive bitrate streaming communications protocol developed by Apple Inc. and released in 2009. Support for the protocol is widespread in media players, web browsers, mobile devices, and streaming media servers.
Hash key may refer to: Number sign , also known as the number, pound or hash key, a key on a telephone keypad For its use in data structure, database and cryptographic applications, see hash function or unique key
The simplest such pairwise independent hash function is defined by the random key, key = (a, b), and the MAC tag for a message m is computed as tag = (am + b) mod p, where p is prime. More generally, k -independent hashing functions provide a secure message authentication code as long as the key is used less than k times for k -ways independent ...
The symbol # is known variously in English-speaking regions as the number sign, [1] hash, [2] or pound sign. [3] The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔ .
Type 24 - Hash Update. Type 25 - Hash Timeout. Type 26 - Hash Request. Type 27 - Hash Response. Type 28 - Check Bandwidth. Type 29 - Set Audio Sample Access. Type 30 - Set Video Sample Access. Type 31 - Throttle Begin. Type 32 - Throttle End. Type 33 - DRM Notify. Type 34 - RTMFP Sync. Type 35 - Query IHello. Type 36 - Forward IHello. Type 37 ...
The alternative, appending the key using MAC = H(message ∥ key), suffers from the problem that an attacker who can find a collision in the (unkeyed) hash function has a collision in the MAC (as two messages m1 and m2 yielding the same hash will provide the same start condition to the hash function before the appended key is hashed, hence the ...
Refresh the page to allow the camera permission prompt to reappear or manually toggle the permission. 1. Tap the 'aA' icon . 2. Tap Website Settings. 3. Under the 'Allow [website name] to Access' section, tap Camera and select either Ask or Allow.
The attacker could then present his public key in place of the victim's public key to masquerade as the victim. A secondary threat to some systems is a collision attack, where an attacker constructs multiple key pairs which hash to his own fingerprint. This may allow an attacker to repudiate signatures he has created, or cause other confusion.