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[6/9] crypto: ixp4xx - don't leak pointers to authenc keys

Message ID 20180321170057.5128-7-tudor.ambarus@microchip.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show

Commit Message

Tudor Ambarus March 21, 2018, 5 p.m. UTC
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 drivers/crypto/ixp4xx_crypto.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 717a266..27f7dad 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -1167,9 +1167,11 @@  static int aead_setkey(struct crypto_aead *tfm, const u8 *key,
 	ctx->authkey_len = keys.authkeylen;
 	ctx->enckey_len = keys.enckeylen;
 
+	memzero_explicit(&keys, sizeof(keys));
 	return aead_setup(tfm, crypto_aead_authsize(tfm));
 badkey:
 	crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+	memzero_explicit(&keys, sizeof(keys));
 	return -EINVAL;
 }