From: Gaurav Jain gaurav.jain@nxp.com
stable inclusion from stable-v6.6.2 commit 86b7c8c7b2c9b032afc6b52c7644f77c16816148 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
[ Upstream commit 7b8c6aee0d5b864e70c0da82583f9862e374eaf3 ]
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: c10a53367901 ("crypto: caam/qi2 - 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 Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/crypto/caam/caamalg_qi2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c index 9156bbe038b7..a148ff1f0872 100644 --- a/drivers/crypto/caam/caamalg_qi2.c +++ b/drivers/crypto/caam/caamalg_qi2.c @@ -641,7 +641,8 @@ 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);