In November 2008, a vulnerability was discovered for all versions of SSH which allowed recovery of up to 32 bits of plaintext from a block of ciphertext that was encrypted using what was then the standard default encryption mode, CBC.

For example, the cipher-block chaining ( CBC ) mode requires a random value of the cipher's block size as additional input, and adds it to the first plaintext block before subsequent encryption.

IBM invented the cipher-block chaining ( CBC ) mode of operation in 1976.

In CBC mode, each block of plaintext is XORed with the previous ciphertext block before being encrypted.

CBC has been the most commonly used mode of operation.

The cipher feedback ( CFB ) mode, a close relative of CBC, makes a block cipher into a self-synchronizing stream cipher.

Thus even when used with a proper encryption mode ( e. g. CBC or OFB ), only 2 < sup > 32 </ sup > x 8 B = 32 GB of data can be safely sent under one key.

Cipher-block chaining ( CBC ) mode is a popular block cipher mode of operation.

However, today, CTR mode is largely replacing CBC mode, and CTR mode doesn't need padding at all.

When used in encryption mode the data are first encrypted using the 64 bits block cipher in CBC mode, starting from packet end.

Prior to this, TrueCrypt used LRW mode in versions 4. 1 through 4. 3a, and CBC mode in versions 4. 0 and earlier.

XTS mode is thought to be more secure than LRW mode, which in turn is more secure than CBC mode.

Although new volumes can only be created in XTS mode, TrueCrypt is backward compatible with older volumes using LRW mode and CBC mode.

Later versions produce a security warning when mounting CBC mode volumes and recommend that they be replaced with new volumes in XTS mode.

For CBC and CFB, reusing an IV leaks some information about the first block of plaintext, and about any common prefix shared by the two messages.

If an attacker knows the IV ( or the previous block of ciphertext ) before he specifies the next plaintext, he can check his guess about plaintext of some block that was encrypted with the same key before ( this is known as the TLS CBC IV attack ).

As a special case, if the plaintexts are always small enough to fit into a single block ( with no padding ), then with some modes ( ECB, CBC, PCBC ), re-using an IV will leak only whether two plaintexts are equal.

Boeing developed the Common Booster Core ( CBC ) that would be the center of the Delta IV.

The RS-68 is part of the Common Booster Core ( CBC ) used to create the five variants of the Delta IV family of launch vehicles.

This may not be possible in situations where the IV can not be set by the sender when the ciphertext is sent ( e. g., when the IV is a derived or pre-established value ), and in this case ciphertext stealing for CBC mode can only occur in plaintexts longer than one block.

The CBC mode description also makes use of the ciphertext block just previous to the blocks concerned, C < sub > n − 2 </ sub >, which may in fact be the IV if the plaintext fits within two blocks.

The Evolved Expendable Launch Vehicle program produced new liquid fueled primary stages for the Atlas V and the Delta IV rockets called Common Core Booster ( CCB ) or Common Booster Core ( CBC ).

Entry to any of the available programmes of study in the university is open to anyone with a secondary school degree ; in most cases, students who have successfully completed high school must pass a first year called CBC, which stands for Ciclo Básico Común ( Common Basic Cycle ).

Most music playlisted on CBC Radio Three comes from the New Music Canada site while all music played on the podcast must first be uploaded by the artist to the New Music Canada site.

However, on August 16, 2011, the CRTC granted the CBC permission to continue operating 22 repeaters in mandatory markets, including the above, in analogue until August 31, 2012, in which by then they must either convert to digital or close down.

On the other hand, although rock bands may get some exposure from outlets such as MuchMusic and CBC Radio 3, bands must largely rely on building an audience city by city, as each commercial radio station makes its playlist decisions independently.

On August 16, 2011, the CRTC granted the CBC permission to continue operating twenty-two repeaters in mandatory markets, including the above, in analogue until August 31, 2012, by which time they must either convert to digital or shut down.

In addition to this, a great deal of programming from the PBS, Arte, BBC and CBC, and even Comedy Central are shown.

For example, the CBC has always relied on a subsidy from general revenues of the government, in addition to advertising revenue, to support its television service.

In addition, several provinces operate public broadcasters ; these are not CBC subentities, but distinct networks in their own right.

Several provinces maintain provincial public broadcasting networks in addition to the CBC:

In addition to private stations CKX and CKY, some CBC stations have three-letter callsigns, generally in major cities where the stations first aired in the 1930s.

In addition to his work on 22 Minutes, in 1996 Thomey also starred in a six-part series called Daily Tips for Modern Living that aired on CBC TV.

In addition, CBC plans to end production of RCI news and broadcasts.

In addition to his musical career, Corcoran currently hosts a weekly show on CBC Radio One, which airs Francophone music from Quebec for English audiences across Canada.

The community is also served by WAGM-TV in Presque Isle, Maine in addition to regional Global, CTV and CBC Television newsrooms in Fredericton and Saint John.

In addition, he once hosted a weekday program on CBC Radio 3's web radio station.

In addition to the CTV affiliates and independent stations, some ONT, and later BBS, programming may have aired on Baton's CBC affiliates, part of twinstick operations in northern Ontario.

BBS replaced ONT in fall 1994, with the addition of four Baton-owned CTV affiliates ( and possibly two associated CBC affiliates ) in Saskatchewan that had been jointly branded as the " Saskatchewan Television Network " since the late 1980s.

In addition to the main 6pm newscast, CBET introduced a 10-minute late night newscast CBC News: Windsor Late Night on October 26, 2009.

In addition to numerous other awards, Giving Into Light was a finalist for the Best Fringe Production of 2011 by CBC / CVV Magazine / Times Colonist / Monday Magazine.

Golf ( all networks except FOX ), auto racing ( ABC and FOX for NASCAR, though other networks sometimes air open-wheel circuits ) and baseball ( FOX ) occur during the summer ; in addition, sports anthology series such as the CBS Sports Spectacular, Canada's CBC Sports Saturday and ABC's Wide World of Sports broadcast a broad variety of lesser-known sports.

In addition to a community radio station, Cambridge Bay is served by two CBC Radio One transmitters, rebroadcasting the stations from both Iqaluit and Inuvik, Northwest Territories.

In addition to his other duties, Hanomansing co-hosted Hemispheres, a weekly international documentary program on CBC Newsworld, co-produced by the Australian Broadcasting Corporation.

Stations in Canada's CBC Radio One network each produce some local programming in addition to the network schedule.

In addition to the songs previously mentioned, the score also includes the film's love theme " There's Always Tomorrow ", sung by the reindeer Clarice after Rudolph is kicked out of the reindeer games ( the song is included in the version aired on CBS and in the DVD version, but is removed from the version aired on CBC Television in Canada ).

This system was partially approved by the Canadian Radio-television and Telecommunications Commission ( CRTC ) on February 28, 2007, with conditions ; in addition, the CBC and Bell ExpressVu also applied to the CRTC for their own emergency services.

In addition to terrestrial radio, the national satellite radio networks CBC Radio 3 and Bande à part, which are both dedicated to Canadian independent music of any genre, also include numerous emerging hip hop artists in their playlists.

In addition to MSNBC programs such as Hardball, MSNBC Investigates, and Imus in the Morning, the channel consisted of repeated programs from the CBC and CPAC, as its way to fulfill its Canadian content requirements.

In addition, CBO produces Bandwidth, a music show which airs on all CBC Radio One stations in Ontario outside of Toronto, the regional noon news and talk program Ontario Today, which airs on all CBC Radio One stations in Ontario including Toronto, and the national network programs Fuse and The House.