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qcacld-3.0: Avoid to use incorrect key length

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Current parameter passed to lim_get_crypto_digest_len will be either
SHA386 or SHA256, won't return -EINVAL in any case.
For later considering, return 0 if parameter not the 2 crypto types.

Change-Id: I6cd7481a06106138df7ba18fbe9ed4eece246607
CRs-Fixed: 2751809
This commit is contained in:
Lin Bai 2020-08-10 18:52:22 +08:00 • committed by snandini
commit 8a00b3fe63
1 changed files with 7 additions and 1 deletions
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8
core/mac/src/pe/lim/lim_process_fils.c
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@ -61,7 +61,8 @@ static int lim_get_crypto_digest_len(uint8_t *type)
return SHA384_DIGEST_SIZE;
else if (!strcmp(type, HMAC_SHA256_CRYPTO_TYPE))
return SHA256_DIGEST_SIZE;
return -EINVAL;
return 0;
}
/**
@ -283,6 +284,11 @@ static QDF_STATUS lim_get_key_from_prf(uint8_t *type, uint8_t *secret,
uint8_t crypto_digest_len = lim_get_crypto_digest_len(type);
uint8_t tmp_hash[SHA384_DIGEST_SIZE] = {0};
if (!crypto_digest_len) {
pe_err("Incorrect crypto length");
return QDF_STATUS_E_FAILURE;
}
addr[0] = count;
len[0] = sizeof(count);