[dpdk-dev] [PATCH v4 1/3] crypto/openssl: add rsa and mod asym op

[De Lara Guarch, Pablo]

Hi Shally,

> -----Original Message-----
> From: Shally Verma [mailto:shally.verma at caviumnetworks.com]
> Sent: Thursday, July 12, 2018 3:09 PM
> To: De Lara Guarch, Pablo <pablo.de.lara.guarch at intel.com>
> Cc: dev at dpdk.org; pathreya at caviumnetworks.com;
> nmurthy at caviumnetworks.com; Sunila Sahu
> <sunila.sahu at caviumnetworks.com>; Ashish Gupta
> <ashish.gupta at caviumnetworks.com>
> Subject: [PATCH v4 1/3] crypto/openssl: add rsa and mod asym op
> 
> From: Sunila Sahu <sunila.sahu at caviumnetworks.com>
> 
> - Add compat.h to make pmd compatible to openssl-1.1.0 and
>   backward version
> - Add rsa sign/verify/encrypt/decrypt and modular operation
>   support
> 
> Signed-off-by: Sunila Sahu <sunila.sahu at caviumnetworks.com>
> Signed-off-by: Shally Verma <shally.verma at caviumnetworks.com>
> Signed-off-by: Ashish Gupta <ashish.gupta at caviumnetworks.com>

...

> --- a/drivers/crypto/openssl/rte_openssl_pmd.c
> +++ b/drivers/crypto/openssl/rte_openssl_pmd.c

...

> +	case RTE_CRYPTO_ASYM_OP_VERIFY:
> +		ret = RSA_public_decrypt(op->rsa.sign.length,
> +				op->rsa.sign.data,
> +				op->rsa.sign.data,
> +				rsa,
> +				pad);
> +
> +		OPENSSL_LOG(DEBUG,
> +				"Length of public_decrypt %d "
> +				"length of message %zd\n",
> +				ret, op->rsa.message.length);
> +
> +		if (memcmp(op->rsa.sign.data, op->rsa.message.data,
> +					op->rsa.message.length)) {
> +			OPENSSL_LOG(ERR,
> +					"RSA sign Verification failed");
> +			return -1;
> +		}

There is a compilation issue here (missing "break"?):

drivers/crypto/openssl/rte_openssl_pmd.c:1905:6: error:
this statement may fall through [-Werror=implicit-fallthrough=]
   if (memcmp(op->rsa.sign.data, op->rsa.message.data,
      ^


> +	default:
> +		/* allow ops with invalid args to be pushed to
> +		 * completion queue
> +		 */
> +		cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
> +		break;
> +	}