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dc26c17f74
Similar to what was done for the hash API, update the AEAD 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 quite as important as the equivalent fix for the hash API because AEADs always require a key, so are unlikely to be used without one. Still, tracking the key will prevent accidental unkeyed use. algif_aead also had to track the key anyway, so the new flag replaces that and slightly simplifies the algif_aead implementation. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>