linux-kernel - Re: [PATCH] crypto: testmgr - fix some wrong vectors of aes-ccm

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Date:   Mon, 10 Jan 2022 09:48:22 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Peng Luo <wuhanluop@....com>
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com,
        terrelln@...com, linux-crypto@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: testmgr - fix some wrong vectors of aes-ccm

On Mon, Jan 10, 2022 at 01:02:39AM +0800, Peng Luo wrote:
> Some vectors of aes-ccm are wrong.
> This patch has been tested with kernel 4.9 and openssl1.1.1k.
> 
> Signed-off-by: Peng Luo <wuhanluop@....com>
> ---
>  crypto/testmgr.h | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/crypto/testmgr.h b/crypto/testmgr.h
> index a253d66ba1c1..ff171fe53979 100644
> --- a/crypto/testmgr.h
> +++ b/crypto/testmgr.h
> @@ -19865,8 +19865,8 @@ static const struct aead_testvec aes_ccm_tv_template[] = {
>  			  "\xd0\xd1\x3d\x1a\xa3\x6d\xe4\x0a"
>  			  "\x86\xb0\x87\x6b\x62\x33\x8c\x34"
>  			  "\xce\xab\x57\xcc\x79\x0b\xe0\x6f"
> -			  "\x5c\x3e\x48\x1f\x6c\x46\xf7\x51"
> -			  "\x8b\x84\x83\x2a\xc1\x05\xb8\xc5",
> +			  "\xCF\xE9\xF9\x21\x3C\x1A\xCE\x67"
> +			  "\x62\x7B\x36\x3A\xEA\x19\xAC\x58",
>  		.clen	= 48,
>  		.novrfy	= 1,
>  	}, {
> @@ -19952,8 +19952,8 @@ static const struct aead_testvec aes_ccm_tv_template[] = {
>  			  "\xc6\x0e\x6e\xe5\xd6\x98\xa6\x37"
>  			  "\x8c\x26\x33\xc6\xb2\xa2\x17\xfa"
>  			  "\x64\x19\xc0\x30\xd7\xfc\x14\x6b"
> -			  "\xe3\x33\xc2\x04\xb0\x37\xbe\x3f"
> -			  "\xa9\xb4\x2d\x68\x03\xa3\x44\xef",
> +			  "\x08\x5A\x20\x4A\xB0\x2C\xF9\x49"
> +			  "\x10\x1C\x9C\x85\x8C\x12\xE0\x3A",
>  		.clen	= 48,
>  		.novrfy	= 1,
>  	}, {
> @@ -19983,7 +19983,7 @@ static const struct aead_testvec aes_ccm_tv_template[] = {
>  			  "\x3e\xaf\x70\x5e\xb2\x4d\xea\x39"
>  			  "\x89\xd4\x75\x7a\x63\xb1\xda\x93",
>  		.plen	= 32,
> -		.ctext	= "\x48\x01\x5e\x02\x24\x04\x66\x47"
> +		.ctext	= "\x14\x01\x5e\x02\x24\x04\x66\x47"
>  			  "\xa1\xea\x6f\xaf\xe8\xfc\xfb\xdd"
>  			  "\xa5\xa9\x87\x8d\x84\xee\x2e\x77"
>  			  "\xbb\x86\xb9\xf5\x5c\x6c\xff\xf6"

This patch causes a self-test failure:

	[   22.354527] alg: aead: ccm_base(ctr-aes-aesni,cbcmac(aes-aesni)) decryption unexpectedly succeeded on test vector 16; expected_error"
	[   22.355843] ------------[ cut here ]------------
	[   22.356306] alg: self-tests for ccm_base(ctr-aes-aesni,cbcmac(aes-aesni)) (ccm(aes)) failed (rc=-22)

Please be more specific about what is wrong.  Also, please test with the latest
upstream kernel, not v4.9 which is over 5 years old.

- Eric