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net: phy: mscc: fix macsec key length
The key length used to store the macsec key was set to MACSEC_KEYID_LEN
(16), which is an issue as:
- This was never meant to be the key length.
- The key length can be > 16.
Fix this by using MACSEC_MAX_KEY_LEN instead (the max length accepted in
uAPI).
Fixes: 28c5107aa9
("net: phy: mscc: macsec support")
Reported-by: Lior Nahmanson <liorna@nvidia.com>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
1f7fe51211
commit
c309217f91
2 changed files with 2 additions and 2 deletions
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@ -501,7 +501,7 @@ static u32 vsc8584_macsec_flow_context_id(struct macsec_flow *flow)
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}
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/* Derive the AES key to get a key for the hash autentication */
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static int vsc8584_macsec_derive_key(const u8 key[MACSEC_KEYID_LEN],
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static int vsc8584_macsec_derive_key(const u8 key[MACSEC_MAX_KEY_LEN],
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u16 key_len, u8 hkey[16])
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{
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const u8 input[AES_BLOCK_SIZE] = {0};
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@ -81,7 +81,7 @@ struct macsec_flow {
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/* Highest takes precedence [0..15] */
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u8 priority;
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u8 key[MACSEC_KEYID_LEN];
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u8 key[MACSEC_MAX_KEY_LEN];
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union {
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struct macsec_rx_sa *rx_sa;
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