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authorGaurav Jain <gaurav.jain@nxp.com>2023-09-21 15:42:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-20 13:59:19 +0300
commit14d52e6ba2464f0f9eb055fce01bae6db342552d (patch)
tree13dde433a28117c41a5fe3c1e0d0ae0bd71a28ce /drivers/crypto
parent86b7c8c7b2c9b032afc6b52c7644f77c16816148 (diff)
downloadlinux-14d52e6ba2464f0f9eb055fce01bae6db342552d.tar.xz
crypto: caam/jr - fix Chacha20 + Poly1305 self test failure
[ Upstream commit a8d3cdcc092fb2f2882acb6c20473a1be0ef4484 ] key buffer is not copied in chachapoly_setkey function, results in wrong output for encryption/decryption operation. fix this by memcpy the key in caam_ctx key arrary Fixes: d6bbd4eea243 ("crypto: caam/jr - add support for Chacha20 + Poly1305") Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/caam/caamalg.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index eba2d750c3b0..066f08a3a040 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -575,7 +575,8 @@ static int chachapoly_setkey(struct crypto_aead *aead, const u8 *key,
if (keylen != CHACHA_KEY_SIZE + saltlen)
return -EINVAL;
- ctx->cdata.key_virt = key;
+ memcpy(ctx->key, key, keylen);
+ ctx->cdata.key_virt = ctx->key;
ctx->cdata.keylen = keylen - saltlen;
return chachapoly_set_sh_desc(aead);