From 14d52e6ba2464f0f9eb055fce01bae6db342552d Mon Sep 17 00:00:00 2001 From: Gaurav Jain Date: Thu, 21 Sep 2023 18:12:37 +0530 Subject: [PATCH] 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 Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/caam/caamalg.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index eba2d75..066f08a 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); -- 2.7.4