Differential D22365 Diff 76980 sys/crypto/aesni/aesni.c

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sys/crypto/aesni/aesni.c

Show First 20 Lines • Show All 247 Lines • ▼ Show 20 Lines	case CRYPTO_AES_XTS:
if (csp->csp_ivlen != AES_XTS_IV_LEN)		if (csp->csp_ivlen != AES_XTS_IV_LEN)
return (false);		return (false);
return (sc->has_aes);		return (sc->has_aes);
default:		default:
return (false);		return (false);
}		}
}		}

		#define SUPPORTED_SES (CSP_F_SEPARATE_OUTPUT \| CSP_F_SEPARATE_AAD \| CSP_F_ESN)
		jhbUnsubmitted Not Done Inline Actions I'd probably just leave this spelled out in probesession. jhb: I'd probably just leave this spelled out in probesession.

static int		static int
aesni_probesession(device_t dev, const struct crypto_session_params *csp)		aesni_probesession(device_t dev, const struct crypto_session_params *csp)
{		{
struct aesni_softc *sc;		struct aesni_softc *sc;

sc = device_get_softc(dev);		sc = device_get_softc(dev);
if ((csp->csp_flags & ~(CSP_F_SEPARATE_OUTPUT \| CSP_F_SEPARATE_AAD)) !=		if ((csp->csp_flags & ~(SUPPORTED_SES)) != 0)
0)
return (EINVAL);		return (EINVAL);
switch (csp->csp_mode) {		switch (csp->csp_mode) {
case CSP_MODE_DIGEST:		case CSP_MODE_DIGEST:
if (!aesni_auth_supported(sc, csp))		if (!aesni_auth_supported(sc, csp))
return (EINVAL);		return (EINVAL);
break;		break;
case CSP_MODE_CIPHER:		case CSP_MODE_CIPHER:
if (!aesni_cipher_supported(sc, csp))		if (!aesni_cipher_supported(sc, csp))
▲ Show 20 Lines • Show All 591 Lines • ▼ Show 20 Lines	if (CRYPTO_HAS_OUTPUT_BUFFER(crp) &&
CRYPTO_OP_IS_ENCRYPT(crp->crp_op))		CRYPTO_OP_IS_ENCRYPT(crp->crp_op))
crypto_apply_buf(&crp->crp_obuf,		crypto_apply_buf(&crp->crp_obuf,
crp->crp_payload_output_start,		crp->crp_payload_output_start,
crp->crp_payload_length,		crp->crp_payload_length,
ses->hash_update, &sctx);		ses->hash_update, &sctx);
else		else
crypto_apply(crp, crp->crp_payload_start,		crypto_apply(crp, crp->crp_payload_start,
crp->crp_payload_length, ses->hash_update, &sctx);		crp->crp_payload_length, ses->hash_update, &sctx);

		if (csp->csp_flags & CSP_F_ESN)
		jhbUnsubmitted Not Done Inline Actions Woo, nice it was this easy to add! jhb: Woo, nice it was this easy to add!
		ses->hash_update(&sctx, crp->crp_esn, 4);

ses->hash_finalize(res, &sctx);		ses->hash_finalize(res, &sctx);

/* Outer hash: (K ^ OPAD) \|\| inner hash */		/* Outer hash: (K ^ OPAD) \|\| inner hash */
ses->hash_init(&sctx);		ses->hash_init(&sctx);
for (i = 0; i < keylen; i++)		for (i = 0; i < keylen; i++)
hmac_key[i] = key[i] ^ HMAC_OPAD_VAL;		hmac_key[i] = key[i] ^ HMAC_OPAD_VAL;
for (i = keylen; i < sizeof(hmac_key); i++)		for (i = keylen; i < sizeof(hmac_key); i++)
hmac_key[i] = 0 ^ HMAC_OPAD_VAL;		hmac_key[i] = 0 ^ HMAC_OPAD_VAL;
Show All 39 Lines