Messages in this thread Patch in this message | | | From | Gaurav Jain <> | Subject | [PATCH] crypto: caam/jr - fix Chacha20 + Poly1305 self test failure | Date | Thu, 21 Sep 2023 18:12:37 +0530 |
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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> --- 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 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); -- 2.25.1
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