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authorHerbert Xu <herbert@gondor.apana.org.au>2009-01-13 11:26:18 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2009-01-15 15:33:49 +1100
commit29b37f42127f7da511560a40ea74f5047da40c13 (patch)
treefa6cbeb329cc0d564511a3bd6f4d7172d468494b /crypto/blkcipher.c
parent5393f780277165f282a37ed82dd878159ec9dad5 (diff)
crypto: authenc - Fix zero-length IV crash
As it is if an algorithm with a zero-length IV is used (e.g., NULL encryption) with authenc, authenc may generate an SG entry of length zero, which will trigger a BUG check in the hash layer. This patch fixes it by skipping the IV SG generation if the IV size is zero. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/blkcipher.c')
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