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crypto: caam/jr - fix Chacha20 + Poly1305 self test failure

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[ Upstream commit a8d3cdcc09 ]

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: d6bbd4eea2 ("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>
This commit is contained in:
Gaurav Jain 2023-09-21 18:12:37 +05:30 committed by Greg Kroah-Hartman
parent 86b7c8c7b2
commit 14d52e6ba2
1 changed files with 2 additions and 1 deletions
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3
drivers/crypto/caam/caamalg.c
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@ -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);