1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Cavium Networks
5 #ifndef _RTE_CRYPTO_ASYM_H_
6 #define _RTE_CRYPTO_ASYM_H_
9 * @file rte_crypto_asym.h
11 * RTE Definitions for Asymmetric Cryptography
13 * Defines asymmetric algorithms and modes, as well as supported
14 * asymmetric crypto operations.
24 #include <rte_memory.h>
25 #include <rte_mempool.h>
26 #include <rte_common.h>
28 #include "rte_crypto_sym.h"
30 struct rte_cryptodev_asym_session;
32 /** asym xform type name strings */
34 rte_crypto_asym_xform_strings[];
36 /** asym key exchange operation type name strings */
38 rte_crypto_asym_ke_strings[];
40 /** asym operations type name strings */
42 rte_crypto_asym_op_strings[];
44 #define RTE_CRYPTO_ASYM_FLAG_PUB_KEY_NO_PADDING RTE_BIT32(0)
46 * Flag to denote public key will be returned without leading zero bytes
47 * and if the flag is not set, public key will be padded to the left with
48 * zeros to the size of the underlying algorithm (default)
50 #define RTE_CRYPTO_ASYM_FLAG_SHARED_KEY_NO_PADDING RTE_BIT32(1)
52 * Flag to denote shared secret will be returned without leading zero bytes
53 * and if the flag is not set, shared secret will be padded to the left with
54 * zeros to the size of the underlying algorithm (default)
58 * List of elliptic curves. This enum aligns with
59 * TLS "Supported Groups" registry (previously known as
60 * NamedCurve registry). FFDH groups are not, and will not
61 * be included in this list.
62 * Deprecation for selected curve in TLS does not deprecate
63 * the selected curve in Cryptodev.
64 * https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml
66 enum rte_crypto_curve_id {
67 RTE_CRYPTO_EC_GROUP_SECP192R1 = 19,
68 RTE_CRYPTO_EC_GROUP_SECP224R1 = 21,
69 RTE_CRYPTO_EC_GROUP_SECP256R1 = 23,
70 RTE_CRYPTO_EC_GROUP_SECP384R1 = 24,
71 RTE_CRYPTO_EC_GROUP_SECP521R1 = 25
75 * Asymmetric crypto transformation types.
76 * Each xform type maps to one asymmetric algorithm
77 * performing specific operation
80 enum rte_crypto_asym_xform_type {
81 RTE_CRYPTO_ASYM_XFORM_UNSPECIFIED = 0,
82 /**< Invalid xform. */
83 RTE_CRYPTO_ASYM_XFORM_NONE,
85 * May be supported by PMD to support
86 * passthrough op for debugging purpose.
87 * if xform_type none , op_type is disregarded.
89 RTE_CRYPTO_ASYM_XFORM_RSA,
90 /**< RSA. Performs Encrypt, Decrypt, Sign and Verify.
91 * Refer to rte_crypto_asym_op_type
93 RTE_CRYPTO_ASYM_XFORM_DH,
95 * Performs Key Generate and Shared Secret Compute.
96 * Refer to rte_crypto_asym_op_type
98 RTE_CRYPTO_ASYM_XFORM_DSA,
99 /**< Digital Signature Algorithm
100 * Performs Signature Generation and Verification.
101 * Refer to rte_crypto_asym_op_type
103 RTE_CRYPTO_ASYM_XFORM_MODINV,
104 /**< Modular Multiplicative Inverse
105 * Perform Modular Multiplicative Inverse b^(-1) mod n
107 RTE_CRYPTO_ASYM_XFORM_MODEX,
108 /**< Modular Exponentiation
109 * Perform Modular Exponentiation b^e mod n
111 RTE_CRYPTO_ASYM_XFORM_ECDSA,
112 /**< Elliptic Curve Digital Signature Algorithm
113 * Perform Signature Generation and Verification.
115 RTE_CRYPTO_ASYM_XFORM_ECDH,
116 /**< Elliptic Curve Diffie Hellman */
117 RTE_CRYPTO_ASYM_XFORM_ECPM,
118 /**< Elliptic Curve Point Multiplication */
119 RTE_CRYPTO_ASYM_XFORM_TYPE_LIST_END
124 * Asymmetric crypto operation type variants
126 enum rte_crypto_asym_op_type {
127 RTE_CRYPTO_ASYM_OP_ENCRYPT,
128 /**< Asymmetric Encrypt operation */
129 RTE_CRYPTO_ASYM_OP_DECRYPT,
130 /**< Asymmetric Decrypt operation */
131 RTE_CRYPTO_ASYM_OP_SIGN,
132 /**< Signature Generation operation */
133 RTE_CRYPTO_ASYM_OP_VERIFY,
134 /**< Signature Verification operation */
135 RTE_CRYPTO_ASYM_OP_LIST_END
139 * Asymmetric crypto key exchange operation type
141 enum rte_crypto_asym_ke_type {
142 RTE_CRYPTO_ASYM_KE_PRIV_KEY_GENERATE,
143 /**< Private Key generation operation */
144 RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE,
145 /**< Public Key generation operation */
146 RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE,
147 /**< Shared Secret compute operation */
148 RTE_CRYPTO_ASYM_KE_PUB_KEY_VERIFY
149 /**< Public Key Verification - can be used for
150 * elliptic curve point validation.
155 * Padding types for RSA signature.
157 enum rte_crypto_rsa_padding_type {
158 RTE_CRYPTO_RSA_PADDING_NONE = 0,
159 /**< RSA no padding scheme */
160 RTE_CRYPTO_RSA_PADDING_PKCS1_5,
161 /**< RSA PKCS#1 PKCS1-v1_5 padding scheme. For signatures block type 01,
162 * for encryption block type 02 are used.
164 RTE_CRYPTO_RSA_PADDING_OAEP,
165 /**< RSA PKCS#1 OAEP padding scheme */
166 RTE_CRYPTO_RSA_PADDING_PSS,
167 /**< RSA PKCS#1 PSS padding scheme */
168 RTE_CRYPTO_RSA_PADDING_TYPE_LIST_END
172 * RSA private key type enumeration
174 * enumerates private key format required to perform RSA crypto
178 enum rte_crypto_rsa_priv_key_type {
179 RTE_RSA_KEY_TYPE_EXP,
180 /**< RSA private key is an exponent */
182 /**< RSA private key is in quintuple format
183 * See rte_crypto_rsa_priv_key_qt
188 * Buffer to hold crypto params required for asym operations.
190 * These buffers can be used for both input to PMD and output from PMD. When
191 * used for output from PMD, application has to ensure the buffer is large
192 * enough to hold the target data.
194 * If an operation requires the PMD to generate a random number,
195 * and the device supports CSRNG, 'data' should be set to NULL.
196 * The crypto parameter in question will not be used by the PMD,
197 * as it is internally generated.
199 typedef struct rte_crypto_param_t {
201 /**< pointer to buffer holding data */
203 /**< IO address of data buffer */
205 /**< length of data in bytes */
208 /** Unsigned big-integer in big-endian format */
209 typedef rte_crypto_param rte_crypto_uint;
212 * Structure for elliptic curve point
214 struct rte_crypto_ec_point {
222 * Structure describing RSA private key in quintuple format.
223 * See PKCS V1.5 RSA Cryptography Standard.
225 struct rte_crypto_rsa_priv_key_qt {
227 /**< the first factor */
229 /**< the second factor */
231 /**< the first factor's CRT exponent */
233 /**< the second's factor's CRT exponent */
234 rte_crypto_uint qInv;
235 /**< the CRT coefficient */
241 struct rte_crypto_rsa_padding {
242 enum rte_crypto_rsa_padding_type type;
243 /**< RSA padding scheme to be used for transform */
244 enum rte_crypto_auth_algorithm md;
246 * RSA padding hash algorithm
247 * Valid hash algorithms are:
248 * MD5, SHA1, SHA224, SHA256, SHA384, SHA512
250 * When a specific padding type is selected, the following rules apply:
251 * - RTE_CRYPTO_RSA_PADDING_NONE:
252 * This field is ignored by the PMD
254 * - RTE_CRYPTO_RSA_PADDING_PKCS1_5:
255 * When signing an operation this field is used to determine value
256 * of the DigestInfo structure, therefore specifying which algorithm
257 * was used to create the message digest.
258 * When doing encryption/decryption this field is ignored for this
261 * - RTE_CRYPTO_RSA_PADDING_OAEP
262 * This field shall be set with the hash algorithm used
263 * in the padding scheme
265 * - RTE_CRYPTO_RSA_PADDING_PSS
266 * This field shall be set with the hash algorithm used
267 * in the padding scheme (and to create the input message digest)
269 enum rte_crypto_auth_algorithm mgf1md;
271 * Hash algorithm to be used for mask generation if the
272 * padding scheme is either OAEP or PSS. If the padding
273 * scheme is unspecified a data hash algorithm is used
274 * for mask generation. Valid hash algorithms are:
275 * MD5, SHA1, SHA224, SHA256, SHA384, SHA512
280 * Asymmetric RSA transform data
282 * Structure describing RSA xform params
285 struct rte_crypto_rsa_xform {
287 /**< the RSA modulus */
289 /**< the RSA public exponent */
291 enum rte_crypto_rsa_priv_key_type key_type;
296 /**< the RSA private exponent */
297 struct rte_crypto_rsa_priv_key_qt qt;
298 /**< qt - Private key in quintuple format */
303 * Asymmetric Modular exponentiation transform data
305 * Structure describing modular exponentiation xform param
308 struct rte_crypto_modex_xform {
309 rte_crypto_uint modulus;
310 /**< Modulus data for modexp transform operation */
311 rte_crypto_uint exponent;
312 /**< Exponent of the modexp transform operation */
316 * Asymmetric modular multiplicative inverse transform operation
318 * Structure describing modular multiplicative inverse transform
321 struct rte_crypto_modinv_xform {
322 rte_crypto_uint modulus;
323 /**< Modulus data for modular multiplicative inverse operation */
327 * Asymmetric DH transform data
329 * Structure describing deffie-hellman xform params
332 struct rte_crypto_dh_xform {
334 /**< Prime modulus data */
340 * Asymmetric Digital Signature transform operation
342 * Structure describing DSA xform params
345 struct rte_crypto_dsa_xform {
347 /**< Prime modulus */
349 /**< Order of the subgroup */
351 /**< Generator of the subgroup */
353 /**< x: Private key of the signer */
357 * Asymmetric elliptic curve transform data
359 * Structure describing all EC based xform params
362 struct rte_crypto_ec_xform {
363 enum rte_crypto_curve_id curve_id;
364 /**< Pre-defined ec groups */
368 * Operations params for modular operations:
369 * exponentiation and multiplicative inverse
372 struct rte_crypto_mod_op_param {
373 rte_crypto_uint base;
374 /** Base of modular exponentiation/multiplicative inverse */
375 rte_crypto_uint result;
376 /** Result of modular exponentiation/multiplicative inverse */
380 * RSA operation params
383 struct rte_crypto_rsa_op_param {
384 enum rte_crypto_asym_op_type op_type;
385 /**< Type of RSA operation for transform */
387 rte_crypto_param message;
389 * Pointer to input data
390 * - to be encrypted for RSA public encrypt.
391 * - to be signed for RSA sign generation.
392 * - to be authenticated for RSA sign verification.
394 * Pointer to output data
395 * - for RSA private decrypt.
396 * In this case the underlying array should have been
397 * allocated with enough memory to hold plaintext output
398 * (i.e. must be at least RSA key size). The message.length
399 * field should be 0 and will be overwritten by the PMD
400 * with the decrypted length.
402 * All data is in Octet-string network byte order format.
405 rte_crypto_param cipher;
407 * Pointer to input data
408 * - to be decrypted for RSA private decrypt.
410 * Pointer to output data
411 * - for RSA public encrypt.
412 * In this case the underlying array should have been allocated
413 * with enough memory to hold ciphertext output (i.e. must be
414 * at least RSA key size). The cipher.length field should
415 * be 0 and will be overwritten by the PMD with the encrypted length.
417 * All data is in Octet-string network byte order format.
420 rte_crypto_param sign;
422 * Pointer to input data
423 * - to be verified for RSA public decrypt.
425 * Pointer to output data
426 * - for RSA private encrypt.
427 * In this case the underlying array should have been allocated
428 * with enough memory to hold signature output (i.e. must be
429 * at least RSA key size). The sign.length field should
430 * be 0 and will be overwritten by the PMD with the signature length.
432 * All data is in Octet-string network byte order format.
435 struct rte_crypto_rsa_padding padding;
436 /**< RSA padding information */
440 * Diffie-Hellman Operations params.
443 struct rte_crypto_dh_op_param {
444 enum rte_crypto_asym_ke_type ke_type;
445 /**< Key exchange operation type */
446 rte_crypto_uint priv_key;
448 * Output - generated private key when ke_type is
449 * RTE_CRYPTO_ASYM_KE_PRIV_KEY_GENERATE.
451 * Input - private key when ke_type is one of:
452 * RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE,
453 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
455 * In case priv_key.length is 0 and ke_type is set with
456 * RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE, CSRNG capable
457 * device will generate a private key and use it for public
460 rte_crypto_uint pub_key;
462 * Output - generated public key when ke_type is
463 * RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE.
465 * Input - peer's public key when ke_type is
466 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
468 rte_crypto_uint shared_secret;
470 * Output - calculated shared secret when ke_type is
471 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
476 * Elliptic Curve Diffie-Hellman Operations params.
478 struct rte_crypto_ecdh_op_param {
479 enum rte_crypto_asym_ke_type ke_type;
480 /**< Key exchange operation type */
481 rte_crypto_uint priv_key;
483 * Output - generated private key when ke_type is
484 * RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE.
486 * Input - private key when ke_type is one of:
487 * RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE,
488 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
490 * In case priv_key.length is 0 and ke_type is set with
491 * RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE, CSRNG capable
492 * device will generate private key and use it for public
495 struct rte_crypto_ec_point pub_key;
497 * Output - generated public key when ke_type is
498 * RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE.
500 * Input - peer's public key, when ke_type is one of:
501 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE,
502 * RTE_CRYPTO_ASYM_KE_EC_PUBLIC_KEY_VERIFY.
504 struct rte_crypto_ec_point shared_secret;
506 * Output - calculated shared secret when ke_type is
507 * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
512 * DSA Operations params
515 struct rte_crypto_dsa_op_param {
516 enum rte_crypto_asym_op_type op_type;
517 /**< Signature Generation or Verification */
518 rte_crypto_param message;
519 /**< input message to be signed or verified */
521 /**< Per-message secret number, which is an integer
522 * in the interval (1, q-1).
523 * If the random number is generated by the PMD,
524 * the 'rte_crypto_param.data' parameter should be set to NULL.
527 /**< dsa sign component 'r' value
529 * output if op_type = sign generate,
530 * input if op_type = sign verify
533 /**< dsa sign component 's' value
535 * output if op_type = sign generate,
536 * input if op_type = sign verify
539 /**< y : Public key of the signer.
545 * ECDSA operation params
547 struct rte_crypto_ecdsa_op_param {
548 enum rte_crypto_asym_op_type op_type;
549 /**< Signature generation or verification */
551 rte_crypto_uint pkey;
552 /**< Private key of the signer for signature generation */
554 struct rte_crypto_ec_point q;
555 /**< Public key of the signer for verification */
557 rte_crypto_param message;
558 /**< Input message digest to be signed or verified */
561 /**< The ECDSA per-message secret number, which is an integer
562 * in the interval (1, n-1).
563 * If the random number is generated by the PMD,
564 * the 'rte_crypto_param.data' parameter should be set to NULL.
568 /**< r component of elliptic curve signature
569 * output : for signature generation
570 * input : for signature verification
573 /**< s component of elliptic curve signature
574 * output : for signature generation
575 * input : for signature verification
580 * Structure for EC point multiplication operation param
582 struct rte_crypto_ecpm_op_param {
583 struct rte_crypto_ec_point p;
584 /**< x and y coordinates of input point */
586 struct rte_crypto_ec_point r;
587 /**< x and y coordinates of resultant point */
589 rte_crypto_param scalar;
590 /**< Scalar to multiply the input point */
594 * Asymmetric crypto transform data
596 * Structure describing asym xforms.
598 struct rte_crypto_asym_xform {
599 struct rte_crypto_asym_xform *next;
600 /**< Pointer to next xform to set up xform chain.*/
601 enum rte_crypto_asym_xform_type xform_type;
602 /**< Asymmetric crypto transform */
606 struct rte_crypto_rsa_xform rsa;
607 /**< RSA xform parameters */
609 struct rte_crypto_modex_xform modex;
610 /**< Modular Exponentiation xform parameters */
612 struct rte_crypto_modinv_xform modinv;
613 /**< Modular Multiplicative Inverse xform parameters */
615 struct rte_crypto_dh_xform dh;
616 /**< DH xform parameters */
618 struct rte_crypto_dsa_xform dsa;
619 /**< DSA xform parameters */
621 struct rte_crypto_ec_xform ec;
622 /**< EC xform parameters, used by elliptic curve based
629 * Asymmetric Cryptographic Operation.
631 * Structure describing asymmetric crypto operation params.
634 struct rte_crypto_asym_op {
637 struct rte_cryptodev_asym_session *session;
638 /**< Handle for the initialised session context */
639 struct rte_crypto_asym_xform *xform;
640 /**< Session-less API crypto operation parameters */
645 struct rte_crypto_rsa_op_param rsa;
646 struct rte_crypto_mod_op_param modex;
647 struct rte_crypto_mod_op_param modinv;
648 struct rte_crypto_dh_op_param dh;
649 struct rte_crypto_ecdh_op_param ecdh;
650 struct rte_crypto_dsa_op_param dsa;
651 struct rte_crypto_ecdsa_op_param ecdsa;
652 struct rte_crypto_ecpm_op_param ecpm;
656 * Asymmetric crypto operation flags.
657 * Please refer to the RTE_CRYPTO_ASYM_FLAG_*.
665 #endif /* _RTE_CRYPTO_ASYM_H_ */