/*
* crypto_mac_init_prov()
*
* Arguments:
* pd: pointer to the descriptor of the provider to use for this
* operation.
* sid: provider session id.
* mech: crypto_mechanism_t pointer.
* mech_type is a valid value previously returned by
* crypto_mech2id();
* When the mech's parameter is not NULL, its definition depends
* on the standard definition of the mechanism.
* key: pointer to a crypto_key_t structure.
* tmpl: a crypto_ctx_template_t, opaque template of a context of a
* MAC with the 'mech' using 'key'. 'tmpl' is created by
* a previous call to crypto_create_ctx_template().
* ctxp: Pointer to a crypto_context_t.
* cr: crypto_call_req_t calling conditions and call back info.
*
* Description:
* Asynchronously submits a request for, or synchronously performs the
* initialization of a MAC operation on the specified provider with
* the specified session.
* When possible and applicable, will internally use the pre-computed MAC
* context from the context template, tmpl.
* When complete and successful, 'ctxp' will contain a crypto_context_t
* valid for later calls to mac_update() and mac_final().
* The caller should hold a reference on the specified provider
* descriptor before calling this function.
*
* Context:
* Process or interrupt, according to the semantics dictated by the 'cr'.
*
* Returns:
* See comment in the beginning of the file.
*/
int
crypto_mac_init_prov(crypto_provider_t provider, crypto_session_id_t sid,
crypto_mechanism_t *mech, crypto_key_t *key, crypto_spi_ctx_template_t tmpl,
crypto_context_t *ctxp, crypto_call_req_t *crq)
{
int rv;
crypto_ctx_t *ctx;
kcf_req_params_t params;
kcf_provider_desc_t *pd = provider;
kcf_provider_desc_t *real_provider = pd;
ASSERT(KCF_PROV_REFHELD(pd));
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER) {
rv = kcf_get_hardware_provider(mech->cm_type,
CRYPTO_MECH_INVALID, CHECK_RESTRICT(crq), pd,
&real_provider, CRYPTO_FG_MAC);
if (rv != CRYPTO_SUCCESS)
return (rv);
}
/* Allocate and initialize the canonical context */
if ((ctx = kcf_new_ctx(crq, real_provider, sid)) == NULL) {
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER)
KCF_PROV_REFRELE(real_provider);
return (CRYPTO_HOST_MEMORY);
}
/* The fast path for SW providers. */
if (CHECK_FASTPATH(crq, pd)) {
crypto_mechanism_t lmech;
lmech = *mech;
KCF_SET_PROVIDER_MECHNUM(mech->cm_type, real_provider, &lmech);
rv = KCF_PROV_MAC_INIT(real_provider, ctx, &lmech, key, tmpl,
KCF_SWFP_RHNDL(crq));
KCF_PROV_INCRSTATS(pd, rv);
} else {
KCF_WRAP_MAC_OPS_PARAMS(¶ms, KCF_OP_INIT, sid, mech, key,
NULL, NULL, tmpl);
rv = kcf_submit_request(real_provider, ctx, crq, ¶ms,
B_FALSE);
}
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER)
KCF_PROV_REFRELE(real_provider);
if ((rv == CRYPTO_SUCCESS) || (rv == CRYPTO_QUEUED))
*ctxp = (crypto_context_t)ctx;
else {
/* Release the hold done in kcf_new_ctx(). */
KCF_CONTEXT_REFRELE((kcf_context_t *)ctx->cc_framework_private);
}
return (rv);
}
int
crypto_sign_recover_init_prov(crypto_provider_t provider,
crypto_session_id_t sid, crypto_mechanism_t *mech, crypto_key_t *key,
crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *crq)
{
int rv;
crypto_ctx_t *ctx;
kcf_req_params_t params;
kcf_provider_desc_t *pd = provider;
kcf_provider_desc_t *real_provider = pd;
ASSERT(KCF_PROV_REFHELD(pd));
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER) {
rv = kcf_get_hardware_provider(mech->cm_type,
CRYPTO_MECH_INVALID, CHECK_RESTRICT(crq), pd,
&real_provider, CRYPTO_FG_SIGN_RECOVER);
if (rv != CRYPTO_SUCCESS)
return (rv);
}
/* Allocate and initialize the canonical context */
if ((ctx = kcf_new_ctx(crq, real_provider, sid)) == NULL) {
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER)
KCF_PROV_REFRELE(real_provider);
return (CRYPTO_HOST_MEMORY);
}
KCF_WRAP_SIGN_OPS_PARAMS(¶ms, KCF_OP_SIGN_RECOVER_INIT, sid, mech,
key, NULL, NULL, tmpl);
rv = kcf_submit_request(real_provider, ctx, crq, ¶ms, B_FALSE);
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER)
KCF_PROV_REFRELE(real_provider);
if ((rv == CRYPTO_SUCCESS) || (rv == CRYPTO_QUEUED))
*ctxp = (crypto_context_t)ctx;
else {
/* Release the hold done in kcf_new_ctx(). */
KCF_CONTEXT_REFRELE((kcf_context_t *)ctx->cc_framework_private);
}
return (rv);
}
/*
* crypto_cipher_init_prov()
*
* Arguments:
*
* pd: provider descriptor
* sid: session id
* mech: crypto_mechanism_t pointer.
* mech_type is a valid value previously returned by
* crypto_mech2id();
* When the mech's parameter is not NULL, its definition depends
* on the standard definition of the mechanism.
* key: pointer to a crypto_key_t structure.
* tmpl: a crypto_ctx_template_t, opaque template of a context of an
* encryption or decryption with the 'mech' using 'key'.
* 'tmpl' is created by a previous call to
* crypto_create_ctx_template().
* ctxp: Pointer to a crypto_context_t.
* func: CRYPTO_FG_ENCRYPT or CRYPTO_FG_DECRYPT.
* cr: crypto_call_req_t calling conditions and call back info.
*
* Description:
* This is a common function invoked internally by both
* crypto_encrypt_init() and crypto_decrypt_init().
* Asynchronously submits a request for, or synchronously performs the
* initialization of an encryption or a decryption operation.
* When possible and applicable, will internally use the pre-expanded key
* schedule from the context template, tmpl.
* When complete and successful, 'ctxp' will contain a crypto_context_t
* valid for later calls to encrypt_update() and encrypt_final(), or
* decrypt_update() and decrypt_final().
* The caller should hold a reference on the specified provider
* descriptor before calling this function.
*
* Context:
* Process or interrupt, according to the semantics dictated by the 'cr'.
*
* Returns:
* See comment in the beginning of the file.
*/
static int
crypto_cipher_init_prov(crypto_provider_t provider, crypto_session_id_t sid,
crypto_mechanism_t *mech, crypto_key_t *key,
crypto_spi_ctx_template_t tmpl, crypto_context_t *ctxp,
crypto_call_req_t *crq, crypto_func_group_t func)
{
int error;
crypto_ctx_t *ctx;
kcf_req_params_t params;
kcf_provider_desc_t *pd = provider;
kcf_provider_desc_t *real_provider = pd;
ASSERT(KCF_PROV_REFHELD(pd));
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER) {
if (func == CRYPTO_FG_ENCRYPT) {
error = kcf_get_hardware_provider(mech->cm_type,
CRYPTO_MECH_INVALID, CHECK_RESTRICT(crq), pd,
&real_provider, CRYPTO_FG_ENCRYPT);
} else {
error = kcf_get_hardware_provider(mech->cm_type,
CRYPTO_MECH_INVALID, CHECK_RESTRICT(crq), pd,
&real_provider, CRYPTO_FG_DECRYPT);
}
if (error != CRYPTO_SUCCESS)
return (error);
}
/* Allocate and initialize the canonical context */
if ((ctx = kcf_new_ctx(crq, real_provider, sid)) == NULL) {
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER)
KCF_PROV_REFRELE(real_provider);
return (CRYPTO_HOST_MEMORY);
}
/* The fast path for SW providers. */
if (CHECK_FASTPATH(crq, pd)) {
crypto_mechanism_t lmech;
lmech = *mech;
KCF_SET_PROVIDER_MECHNUM(mech->cm_type, real_provider, &lmech);
if (func == CRYPTO_FG_ENCRYPT)
error = KCF_PROV_ENCRYPT_INIT(real_provider, ctx,
&lmech, key, tmpl, KCF_SWFP_RHNDL(crq));
else {
ASSERT(func == CRYPTO_FG_DECRYPT);
error = KCF_PROV_DECRYPT_INIT(real_provider, ctx,
&lmech, key, tmpl, KCF_SWFP_RHNDL(crq));
}
KCF_PROV_INCRSTATS(pd, error);
goto done;
}
/* Check if context sharing is possible */
if (pd->pd_prov_type == CRYPTO_HW_PROVIDER &&
key->ck_format == CRYPTO_KEY_RAW &&
KCF_CAN_SHARE_OPSTATE(pd, mech->cm_type)) {
kcf_context_t *tctxp = (kcf_context_t *)ctx;
kcf_provider_desc_t *tpd = NULL;
crypto_mech_info_t *sinfo;
if ((kcf_get_sw_prov(mech->cm_type, &tpd, &tctxp->kc_mech,
B_FALSE) == CRYPTO_SUCCESS)) {
int tlen;
sinfo = &(KCF_TO_PROV_MECHINFO(tpd, mech->cm_type));
/*
* key->ck_length from the consumer is always in bits.
* We convert it to be in the same unit registered by
* the provider in order to do a comparison.
*/
if (sinfo->cm_mech_flags & CRYPTO_KEYSIZE_UNIT_IN_BYTES)
tlen = key->ck_length >> 3;
else