In the case when PMD cannot support the full process of the SM2,
but elliptic curve computation only, additional fields
are needed to handle such a case.
Points C1, kP therefore were added to the SM2 crypto operation struct.
Signed-off-by: Arkadiusz Kusztal <arkadiuszx.kusz...@intel.com>
---
lib/cryptodev/rte_crypto_asym.h | 119 ++++++++++++++++++++++++----------------
1 file changed, 71 insertions(+), 48 deletions(-)
diff --git a/lib/cryptodev/rte_crypto_asym.h b/lib/cryptodev/rte_crypto_asym.h
index 39d3da3952..f59759062f 100644
--- a/lib/cryptodev/rte_crypto_asym.h
+++ b/lib/cryptodev/rte_crypto_asym.h
@@ -600,40 +600,6 @@ struct rte_crypto_ecpm_op_param {
};
/**
- * Asymmetric crypto transform data
- *
- * Structure describing asym xforms.
- */
-struct rte_crypto_asym_xform {
- struct rte_crypto_asym_xform *next;
- /**< Pointer to next xform to set up xform chain.*/
- enum rte_crypto_asym_xform_type xform_type;
- /**< Asymmetric crypto transform */
-
- union {
- struct rte_crypto_rsa_xform rsa;
- /**< RSA xform parameters */
-
- struct rte_crypto_modex_xform modex;
- /**< Modular Exponentiation xform parameters */
-
- struct rte_crypto_modinv_xform modinv;
- /**< Modular Multiplicative Inverse xform parameters */
-
- struct rte_crypto_dh_xform dh;
- /**< DH xform parameters */
-
- struct rte_crypto_dsa_xform dsa;
- /**< DSA xform parameters */
-
- struct rte_crypto_ec_xform ec;
- /**< EC xform parameters, used by elliptic curve based
- * operations.
- */
- };
-};
-
-/**
* SM2 operation params.
*/
struct rte_crypto_sm2_op_param {
@@ -658,20 +624,43 @@ struct rte_crypto_sm2_op_param {
* will be overwritten by the PMD with the decrypted length.
*/
- rte_crypto_param cipher;
- /**<
- * Pointer to input data
- * - to be decrypted for SM2 private decrypt.
- *
- * Pointer to output data
- * - for SM2 public encrypt.
- * In this case the underlying array should have been allocated
- * with enough memory to hold ciphertext output (at least X bytes
- * for prime field curve of N bytes and for message M bytes,
- * where X = (C1 || C2 || C3) and computed based on SM2 RFC as
- * C1 (1 + N + N), C2 = M, C3 = N. The cipher.length field will
- * be overwritten by the PMD with the encrypted length.
- */
+ union {
+ rte_crypto_param cipher;
+ /**<
+ * Pointer to input data
+ * - to be decrypted for SM2 private decrypt.
+ *
+ * Pointer to output data
+ * - for SM2 public encrypt.
+ * In this case the underlying array should have been allocated
+ * with enough memory to hold ciphertext output (at least X
bytes
+ * for prime field curve of N bytes and for message M bytes,
+ * where X = (C1 || C2 || C3) and computed based on SM2 RFC as
+ * C1 (1 + N + N), C2 = M, C3 = N. The cipher.length field will
+ * be overwritten by the PMD with the encrypted length.
+ */
+ struct {
+ struct rte_crypto_ec_point C1;
+ /**<
+ * This field is used only when PMD does not support
the full
+ * process of the SM2 encryption/decryption, but the
elliptic
+ * curve part only.
+ *
+ * In the case of encryption, it is an output - point
C1 = (x1,y1).
+ * In the case of decryption, if is an input - point C1
= (x1,y1)
+ *
+ */
+ struct rte_crypto_ec_point kP;
+ /**<
+ * This field is used only when PMD does not support
the full
+ * process of the SM2 encryption/decryption, but the
elliptic
+ * curve part only.
+ *
+ * It is an output in the encryption case, it is a point
+ * [k]P = (x2,y2)
+ */
+ };
+ };
rte_crypto_uint id;
/**< The SM2 id used by signer and verifier. */
@@ -698,6 +687,40 @@ struct rte_crypto_sm2_op_param {
};
/**
+ * Asymmetric crypto transform data
+ *
+ * Structure describing asym xforms.
+ */
+struct rte_crypto_asym_xform {
+ struct rte_crypto_asym_xform *next;
+ /**< Pointer to next xform to set up xform chain.*/
+ enum rte_crypto_asym_xform_type xform_type;
+ /**< Asymmetric crypto transform */
+
+ union {
+ struct rte_crypto_rsa_xform rsa;
+ /**< RSA xform parameters */
+
+ struct rte_crypto_modex_xform modex;
+ /**< Modular Exponentiation xform parameters */
+
+ struct rte_crypto_modinv_xform modinv;
+ /**< Modular Multiplicative Inverse xform parameters */
+
+ struct rte_crypto_dh_xform dh;
+ /**< DH xform parameters */
+
+ struct rte_crypto_dsa_xform dsa;
+ /**< DSA xform parameters */
+
+ struct rte_crypto_ec_xform ec;
+ /**< EC xform parameters, used by elliptic curve based
+ * operations.
+ */
+ };
+};
+
+/**
* Asymmetric Cryptographic Operation.
*
* Structure describing asymmetric crypto operation params.
--
2.13.6
