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crypto: fix aesxts and hmac crash bug 

(1)aesxts uses correct size to memcpy
(2)prevent hmac null pointer of struct crde
Signed-off-by: makejian <makejian@xiaomi.com>
This commit is contained in:
makejian 2023-05-05 20:25:34 +08:00 committed by Xiang Xiao
parent 671c5dc3d8
commit e0fa78f8f3
1 changed files with 3 additions and 3 deletions
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6
crypto/cryptodev.c
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@ -495,8 +495,8 @@ int cryptodev_op(FAR struct csession *cse,
if (!(crde->crd_flags & CRD_F_IV_EXPLICIT))
{
memcpy(cse->tmp_iv, cop->iv, cse->txform->blocksize);
bcopy(cse->tmp_iv, crde->crd_iv, cse->txform->blocksize);
memcpy(cse->tmp_iv, cop->iv, cse->txform->ivsize);
bcopy(cse->tmp_iv, crde->crd_iv, cse->txform->ivsize);
crde->crd_flags |= CRD_F_IV_EXPLICIT | CRD_F_IV_PRESENT;
crde->crd_skip = 0;
}
@ -564,7 +564,7 @@ dispatch:
crypto_invoke(crp);
processed:
if ((cop->flags & COP_FLAG_UPDATE) == 0)
if (crde && (cop->flags & COP_FLAG_UPDATE) == 0)
{
crde->crd_flags &= ~CRD_F_IV_EXPLICIT;
}