Differential D32112 Diff 96381 sys/crypto/aesni/aesni.c

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sys/crypto/aesni/aesni.c

/*-		/*-
* Copyright (c) 2005-2008 Pawel Jakub Dawidek <pjd@FreeBSD.org>		* Copyright (c) 2005-2008 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* Copyright (c) 2010 Konstantin Belousov <kib@FreeBSD.org>		* Copyright (c) 2010 Konstantin Belousov <kib@FreeBSD.org>
* Copyright (c) 2014 The FreeBSD Foundation		* Copyright (c) 2014-2021 The FreeBSD Foundation
* Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>		* Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
* All rights reserved.		* All rights reserved.
*		*
* Portions of this software were developed by John-Mark Gurney		* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and		* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).		* Rubicon Communications, LLC (Netgate).
*		*
		* Portions of this software were developed by Ararat River
		* Consulting, LLC under sponsorship of the FreeBSD Foundation.
		*
* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions		* modification, are permitted provided that the following conditions
* are met:		* are met:
* 1. Redistributions of source code must retain the above copyright		* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.		* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright		* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the		* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.		* documentation and/or other materials provided with the distribution.
▲ Show 20 Lines • Show All 294 Lines • ▼ Show 20 Lines	case CRYPTO_AES_CCM_16:
break;		break;
default:		default:
CRYPTDEB("invalid CCM key length");		CRYPTDEB("invalid CCM key length");
return (EINVAL);		return (EINVAL);
}		}
if (csp->csp_auth_mlen != 0 &&		if (csp->csp_auth_mlen != 0 &&
csp->csp_auth_mlen != AES_CBC_MAC_HASH_LEN)		csp->csp_auth_mlen != AES_CBC_MAC_HASH_LEN)
return (EINVAL);		return (EINVAL);
if (csp->csp_ivlen != AES_CCM_IV_LEN \|\|		if (!sc->has_aes)
!sc->has_aes)
return (EINVAL);		return (EINVAL);
break;		break;
default:		default:
return (EINVAL);		return (EINVAL);
}		}
break;		break;
case CSP_MODE_ETA:		case CSP_MODE_ETA:
if (!aesni_auth_supported(sc, csp) \|\|		if (!aesni_auth_supported(sc, csp) \|\|
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{		{
const struct crypto_session_params *csp;		const struct crypto_session_params *csp;
struct fpu_kern_ctx *ctx;		struct fpu_kern_ctx *ctx;
int error, ctxidx;		int error, ctxidx;
bool kt;		bool kt;

csp = crypto_get_params(crp->crp_session);		csp = crypto_get_params(crp->crp_session);
switch (csp->csp_cipher_alg) {		switch (csp->csp_cipher_alg) {
		case CRYPTO_AES_CCM_16:
		if (crp->crp_payload_length > ccm_max_payload_length(csp))
		return (EMSGSIZE);
		/* FALLTHROUGH */
case CRYPTO_AES_ICM:		case CRYPTO_AES_ICM:
case CRYPTO_AES_NIST_GCM_16:		case CRYPTO_AES_NIST_GCM_16:
case CRYPTO_AES_CCM_16:
if ((crp->crp_flags & CRYPTO_F_IV_SEPARATE) == 0)		if ((crp->crp_flags & CRYPTO_F_IV_SEPARATE) == 0)
return (EINVAL);		return (EINVAL);
break;		break;
case CRYPTO_AES_CBC:		case CRYPTO_AES_CBC:
case CRYPTO_AES_XTS:		case CRYPTO_AES_XTS:
/* CBC & XTS can only handle full blocks for now */		/* CBC & XTS can only handle full blocks for now */
if ((crp->crp_payload_length % AES_BLOCK_LEN) != 0)		if ((crp->crp_payload_length % AES_BLOCK_LEN) != 0)
return (EINVAL);		return (EINVAL);
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