crypto: omap-aes-gcm - check length of assocdata in RFC4106 mode

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RFC4106 requires the associated data to be a certain size, so reject
inputs that are wrong. This also prevents crashes or other problems due
to assoclen becoming negative after subtracting 8 bytes.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Ard Biesheuvel 2019-11-05 16:01:04 +02:00 • committed by Herbert Xu

parent 12adf9d63e

commit b877ad1a13

1 changed files with 4 additions and 2 deletions

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drivers/crypto/omap-aes-gcm.c

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