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Eric Biggers
1967bfaf7b
The only user of PCBC mode (Propagating Cipher Block Chaining mode) was net/rxrpc/rxkad.c, which now uses local code instead. While PCBC was an interesting cryptographic experiment, it has largely been relegated to the history books and academic exercises. It is non-parallelizable (i.e., very slow) and doesn't actually achieve the integrity properties it was apparently intended to achieve. Remove support for it from the crypto API. Acked-by: Geert Uytterhoeven <[email protected]> # m68k Acked-by: David Howells <[email protected]> Signed-off-by: Eric Biggers <[email protected]> Tested-by: Marc Dionne <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>