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author | Eric Biggers <ebiggers@google.com> | 2018-01-03 11:16:29 -0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-01-12 23:03:39 +1100 |
commit | afef2cfab1cc0c1a6528fb266c6c609f5d028900 (patch) | |
tree | 6db23ea8691d1c226c328e4485a9441c1d9316a7 /crypto/blkcipher.c | |
parent | 76d35e2d799b3c594d5fde35f7e5f6a9a8d7e88d (diff) | |
download | linux-crypto-afef2cfab1cc0c1a6528fb266c6c609f5d028900.tar.gz linux-crypto-afef2cfab1cc0c1a6528fb266c6c609f5d028900.zip |
crypto: skcipher - prevent using skciphers without setting key
Similar to what was done for the hash API, update the skcipher API to
track whether each transform has been keyed, and reject
encryption/decryption if a key is needed but one hasn't been set.
This isn't as important as the equivalent fix for the hash API because
symmetric ciphers almost always require a key (the "null cipher" is the
only exception), so are unlikely to be used without one. Still,
tracking the key will prevent accidental unkeyed use. algif_skcipher
also had to track the key anyway, so the new flag replaces that and
simplifies the algif_skcipher implementation.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/blkcipher.c')
0 files changed, 0 insertions, 0 deletions