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linux/lib/chacha20.c

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random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - Fix keystream alignment for chacha20_block() When chacha20_block() outputs the keystream block, it uses 'u32' stores directly. However, the callers (crypto/chacha20_generic.c and drivers/char/random.c) declare the keystream buffer as a 'u8' array, which is not guaranteed to have the needed alignment. Fix it by having both callers declare the keystream as a 'u32' array. For now this is preferable to switching over to the unaligned access macros because chacha20_block() is only being used in cases where we can easily control the alignment (stack buffers). Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-11-22 11:51:39 -08:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00
crypto: chacha20 - use rol32() macro from bitops.h For chacha20_block(), use the existing 32-bit left-rotate function instead of defining one ourselves. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-12-31 18:02:45 -06:00
random: replace non-blocking pool with a Chacha20-based CRNG The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-06-12 18:13:36 -04:00