Add new file zsda_sym_session.c, zsda_symsession.h and modify drivers/common/zsda/meson.build Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn> --- drivers/common/zsda/meson.build | 17 +- drivers/common/zsda/zsda_device.h | 1 - drivers/crypto/zsda/zsda_sym_session.c | 503 +++++++++++++++++++++++++ drivers/crypto/zsda/zsda_sym_session.h | 82 ++++ 4 files changed, 600 insertions(+), 3 deletions(-) create mode 100644 drivers/crypto/zsda/zsda_sym_session.c create mode 100644 drivers/crypto/zsda/zsda_sym_session.h diff --git a/drivers/common/zsda/meson.build b/drivers/common/zsda/meson.build index b12ef17476..57b54201f2 100644 --- a/drivers/common/zsda/meson.build +++ b/drivers/common/zsda/meson.build @@ -3,7 +3,7 @@ config_flag_fmt = 'RTE_LIBRTE_@0@_COMMON' -deps += ['bus_pci', 'compressdev'] +deps += ['bus_pci', 'cryptodev', 'compressdev'] sources += files( 'zsda_common.c', 'zsda_logs.c', @@ -15,7 +15,6 @@ zsda_compress = true zsda_compress_path = 'compress/zsda' zsda_compress_relpath = '../../' + zsda_compress_path includes += include_directories(zsda_compress_relpath) - if zsda_compress zlib = dependency('zlib', required: false, method: 'pkg-config') foreach f: ['zsda_comp_pmd.c', 'zsda_comp.c'] @@ -23,3 +22,17 @@ zlib = dependency('zlib', required: false, method: 'pkg-config') endforeach ext_deps += zlib endif + + +zsda_crypto = true +zsda_crypto_path = 'crypto/zsda' +zsda_crypto_relpath = '../../' + zsda_crypto_path +if zsda_crypto +libcrypto = dependency('libcrypto', required: false, method: 'pkg-config') + foreach f: ['zsda_sym_pmd.c', 'zsda_sym_session.c', 'zsda_sym.c'] + sources += files(join_paths(zsda_crypto_relpath, f)) + endforeach + deps += ['security'] + ext_deps += libcrypto + cflags += ['-DBUILD_ZSDA_SYM'] +endif diff --git a/drivers/common/zsda/zsda_device.h b/drivers/common/zsda/zsda_device.h index 07dca183ab..51ff741840 100644 --- a/drivers/common/zsda/zsda_device.h +++ b/drivers/common/zsda/zsda_device.h @@ -18,7 +18,6 @@ struct zsda_device_info { struct rte_pci_device *pci_dev; - // struct rte_device sym_rte_dev; struct rte_device sym_rte_dev; /**< This represents the crypto sym subset of this pci device. * Register with this rather than with the one in diff --git a/drivers/crypto/zsda/zsda_sym_session.c b/drivers/crypto/zsda/zsda_sym_session.c new file mode 100644 index 0000000000..dbeb569985 --- /dev/null +++ b/drivers/crypto/zsda/zsda_sym_session.c @@ -0,0 +1,503 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2024 ZTE Corporation + */ + +#include "cryptodev_pmd.h" + +#include "zsda_sym_session.h" +#include "zsda_logs.h" + +/**************** AES KEY EXPANSION ****************/ +/** + * AES S-boxes + * Sbox table: 8bits input convert to 8bits output + **/ +static const unsigned char aes_sbox[256] = { + /* 0 1 2 3 4 5 6 7 8 9 A B + * C D E F + */ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16}; + +/** + * The round constant word array, Rcon[i] + * + * From Wikipedia's article on the Rijndael key schedule @ + * https://en.wikipedia.org/wiki/Rijndael_key_schedule#Rcon "Only the first some + * of these constants are actually used – up to rcon[10] for AES-128 (as 11 + * round keys are needed), up to rcon[8] for AES-192, up to rcon[7] for AES-256. + * rcon[0] is not used in AES algorithm." + */ +static const unsigned char Rcon[11] = {0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36}; + +#define GET_AES_SBOX_VAL(num) (aes_sbox[(num)]) + +/**************** SM4 KEY EXPANSION ****************/ +/* + * 32-bit integer manipulation macros (big endian) + */ +#ifndef GET_ULONG_BE +#define GET_ULONG_BE(n, b, i) \ + { \ + (n) = ((unsigned int)(b)[(i)] << 24) | \ + ((unsigned int)(b)[(i) + 1] << 16) | \ + ((unsigned int)(b)[(i) + 2] << 8) | \ + ((unsigned int)(b)[(i) + 3]); \ + } +#endif + +#ifndef PUT_ULONG_BE +#define PUT_ULONG_BE(n, b, i) \ + { \ + (b)[(i)] = (unsigned char)((n) >> 24); \ + (b)[(i) + 1] = (unsigned char)((n) >> 16); \ + (b)[(i) + 2] = (unsigned char)((n) >> 8); \ + (b)[(i) + 3] = (unsigned char)((n)); \ + } +#endif + +/** + *rotate shift left marco definition + * + **/ +#define SHL(x, n) (((x)&0xFFFFFFFF) << n) +#define ROTL(x, n) (SHL((x), n) | ((x) >> (32 - n))) + +/** + * SM4 S-boxes + * Sbox table: 8bits input convert to 8 bitg288s output + **/ +static unsigned char sm4_sbox[16][16] = { + {0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2, + 0x28, 0xfb, 0x2c, 0x05}, + {0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44, 0x13, 0x26, + 0x49, 0x86, 0x06, 0x99}, + {0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43, + 0xed, 0xcf, 0xac, 0x62}, + {0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa, + 0x75, 0x8f, 0x3f, 0xa6}, + {0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, 0x19, + 0xe6, 0x85, 0x4f, 0xa8}, + {0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f, 0x4b, + 0x70, 0x56, 0x9d, 0x35}, + {0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, 0x22, 0x7c, 0x3b, + 0x01, 0x21, 0x78, 0x87}, + {0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52, 0x4c, 0x36, 0x02, 0xe7, + 0xa0, 0xc4, 0xc8, 0x9e}, + {0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce, + 0xf9, 0x61, 0x15, 0xa1}, + {0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30, + 0xf5, 0x8c, 0xb1, 0xe3}, + {0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60, 0xc0, 0x29, 0x23, 0xab, + 0x0d, 0x53, 0x4e, 0x6f}, + {0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, + 0x6d, 0x6c, 0x5b, 0x51}, + {0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41, + 0x1f, 0x10, 0x5a, 0xd8}, + {0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12, + 0xb8, 0xe5, 0xb4, 0xb0}, + {0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09, + 0xc5, 0x6e, 0xc6, 0x84}, + {0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e, + 0xd7, 0xcb, 0x39, 0x48}, +}; + +/* System parameter */ +static const unsigned int FK[4] = {0xa3b1bac6, 0x56aa3350, 0x677d9197, + 0xb27022dc}; + +/* fixed parameter */ +static const unsigned int CK[32] = { + 0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269, 0x70777e85, 0x8c939aa1, + 0xa8afb6bd, 0xc4cbd2d9, 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249, + 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9, 0xc0c7ced5, 0xdce3eaf1, + 0xf8ff060d, 0x141b2229, 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299, + 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209, 0x10171e25, 0x2c333a41, + 0x484f565d, 0x646b7279}; + +/* + * private function: + * look up in SM4 S-boxes and get the related value. + * args: [in] inch: 0x00~0xFF (8 bits unsigned value). + */ +static unsigned char +sm4Sbox(unsigned char inch) +{ + unsigned char *pTable = (unsigned char *)sm4_sbox; + unsigned char retVal = (unsigned char)(pTable[inch]); + return retVal; +} + +/* private function: + * Calculating round encryption key. + * args: [in] ka: ka is a 32 bits unsigned value; + * return: sk[i]: i{0,1,2,3,...31}. + */ +static unsigned int +sm4CalciRK(unsigned int ka) +{ + unsigned int bb = 0; + unsigned int rk = 0; + unsigned char a[4]; + unsigned char b[4]; + + PUT_ULONG_BE(ka, a, 0) + b[0] = sm4Sbox(a[0]); + b[1] = sm4Sbox(a[1]); + b[2] = sm4Sbox(a[2]); + b[3] = sm4Sbox(a[3]); + GET_ULONG_BE(bb, b, 0) + rk = bb ^ (ROTL(bb, 13)) ^ (ROTL(bb, 23)); + return rk; +} + +static void +zsda_sm4_key_expansion(unsigned int SK[32], const uint8_t key[16]) +{ + unsigned int MK[4]; + unsigned int k[36]; + unsigned int i = 0; + + GET_ULONG_BE(MK[0], key, 0); + GET_ULONG_BE(MK[1], key, 4); + GET_ULONG_BE(MK[2], key, 8); + GET_ULONG_BE(MK[3], key, 12); + k[0] = MK[0] ^ FK[0]; + k[1] = MK[1] ^ FK[1]; + k[2] = MK[2] ^ FK[2]; + k[3] = MK[3] ^ FK[3]; + for (; i < 32; i++) { + k[i + 4] = k[i] ^ + (sm4CalciRK(k[i + 1] ^ k[i + 2] ^ k[i + 3] ^ CK[i])); + SK[i] = k[i + 4]; + } +} + +static void +u32_to_u8(uint32_t *u_int32_t_data, uint8_t *u8_data) +{ + *(u8_data + 0) = ((*u_int32_t_data & 0xFF000000) >> 24) & (0xFF); + *(u8_data + 1) = ((*u_int32_t_data & 0x00FF0000) >> 16) & (0xFF); + *(u8_data + 2) = ((*u_int32_t_data & 0x0000FF00) >> 8) & (0xFF); + *(u8_data + 3) = (*u_int32_t_data & 0x000000FF); +} + +static void +zsda_aes_key_expansion(uint8_t *round_key, uint32_t round_num, + const uint8_t *key, uint32_t key_len) +{ + uint32_t i, j, k, nk, nr; + uint8_t tempa[4]; + + nk = key_len >> 2; + nr = round_num; + + /* The first round key is the key itself. */ + for (i = 0; i < nk; ++i) { + round_key[(i * 4) + 0] = key[(i * 4) + 0]; + + round_key[(i * 4) + 1] = key[(i * 4) + 1]; + + round_key[(i * 4) + 2] = key[(i * 4) + 2]; + round_key[(i * 4) + 3] = key[(i * 4) + 3]; + } + + /* All other round keys are found from the previous round keys. */ + for (i = nk; i < (4 * (nr + 1)); ++i) { + k = (i - 1) * 4; + tempa[0] = round_key[k + 0]; + tempa[1] = round_key[k + 1]; + tempa[2] = round_key[k + 2]; + tempa[3] = round_key[k + 3]; + + if ((nk != 0) && ((i % nk) == 0)) { + /* This function shifts the 4 bytes in a word to the + * left once. [a0,a1,a2,a3] becomes [a1,a2,a3,a0] + * Function RotWord() + */ + { + const u_int8_t u8tmp = tempa[0]; + + tempa[0] = tempa[1]; + tempa[1] = tempa[2]; + tempa[2] = tempa[3]; + tempa[3] = u8tmp; + } + + /* SubWord() is a function that takes a four-byte input + * word and applies the S-box to each of the four bytes + * to produce an output word. Function Subword() + */ + { + tempa[0] = GET_AES_SBOX_VAL(tempa[0]); + tempa[1] = GET_AES_SBOX_VAL(tempa[1]); + tempa[2] = GET_AES_SBOX_VAL(tempa[2]); + tempa[3] = GET_AES_SBOX_VAL(tempa[3]); + } + + tempa[0] = tempa[0] ^ Rcon[i / nk]; + } + + if (nk == 8) { + if ((i % nk) == 4) { + /* Function Subword() */ + { + tempa[0] = GET_AES_SBOX_VAL(tempa[0]); + tempa[1] = GET_AES_SBOX_VAL(tempa[1]); + tempa[2] = GET_AES_SBOX_VAL(tempa[2]); + tempa[3] = GET_AES_SBOX_VAL(tempa[3]); + } + } + } + + j = i * 4; + k = (i - nk) * 4; + round_key[j + 0] = round_key[k + 0] ^ tempa[0]; + round_key[j + 1] = round_key[k + 1] ^ tempa[1]; + round_key[j + 2] = round_key[k + 2] ^ tempa[2]; + round_key[j + 3] = round_key[k + 3] ^ tempa[3]; + } +} + +static void +zsda_decry_set_key(uint8_t key[64], const uint8_t *key1_ptr, uint8_t skey_len, + enum rte_crypto_cipher_algorithm algo) +{ + uint8_t round_num; + uint8_t dec_key1[ZSDA_AES_MAX_KEY_BYTE_LEN] = {0}; + uint8_t aes_round_key[ZSDA_AES_MAX_EXP_BYTE_SIZE] = {0}; + uint32_t sm4_round_key[ZSDA_SM4_MAX_EXP_DWORD_SIZE] = {0}; + + switch (algo) { + case RTE_CRYPTO_CIPHER_AES_XTS: + round_num = (skey_len == ZSDA_SYM_XTS_256_SKEY_LEN) + ? ZSDA_AES256_ROUND_NUM + : ZSDA_AES512_ROUND_NUM; + zsda_aes_key_expansion(aes_round_key, round_num, key1_ptr, + skey_len); + rte_memcpy(dec_key1, + ((uint8_t *)aes_round_key + (16 * round_num)), 16); + + if (skey_len == ZSDA_SYM_XTS_512_SKEY_LEN && + (16 * round_num) <= ZSDA_AES_MAX_EXP_BYTE_SIZE) { + for (int i = 0; i < 16; i++) { + dec_key1[i + 16] = + aes_round_key[(16 * (round_num - 1)) + i]; + } + } + break; + case RTE_CRYPTO_CIPHER_SM4_XTS: + zsda_sm4_key_expansion(sm4_round_key, key1_ptr); + for (size_t i = 0; i < 4; i++) + u32_to_u8((uint32_t *)sm4_round_key + + ZSDA_SM4_MAX_EXP_DWORD_SIZE - 1 - i, + dec_key1 + (4 * i)); + break; + default: + ZSDA_LOG(ERR, "unknown cipher algo!"); + return; + } + + if (skey_len == ZSDA_SYM_XTS_256_SKEY_LEN) { + zsda_reverse_memcpy((uint8_t *)key + ZSDA_SYM_XTS_256_KEY2_OFF, + key1_ptr + skey_len, skey_len); + zsda_reverse_memcpy((uint8_t *)key + ZSDA_SYM_XTS_256_KEY1_OFF, + dec_key1, skey_len); + } else { + zsda_reverse_memcpy(key, key1_ptr + skey_len, skey_len); + zsda_reverse_memcpy((uint8_t *)key + ZSDA_SYM_XTS_512_KEY1_OFF, + dec_key1, skey_len); + } +} + +static uint8_t +zsda_sym_lbads(uint32_t dataunit_len) +{ + uint8_t lbads; + + switch (dataunit_len) { + case ZSDA_AES_LBADS_512: + lbads = ZSDA_AES_LBADS_INDICATE_512; + break; + case ZSDA_AES_LBADS_4096: + lbads = ZSDA_AES_LBADS_INDICATE_4096; + break; + case ZSDA_AES_LBADS_8192: + lbads = ZSDA_AES_LBADS_INDICATE_8192; + break; + case ZSDA_AES_LBADS_0: + lbads = ZSDA_AES_LBADS_INDICATE_0; + break; + default: + ZSDA_LOG(ERR, "dataunit_len should be 0/512/4096/8192 - %d.", + dataunit_len); + lbads = ZSDA_AES_LBADS_INDICATE_INVALID; + break; + } + return lbads; +} + +static int +zsda_set_session_cipher(struct zsda_sym_session *sess, + struct rte_crypto_cipher_xform *cipher_xform) +{ + uint8_t skey_len = 0; + const uint8_t *key1_ptr = NULL; + + if (cipher_xform->key.length > ZSDA_CIPHER_KEY_MAX_LEN) { + ZSDA_LOG(ERR, "key length not supported"); + return -EINVAL; + } + + sess->chain_order = ZSDA_SYM_CHAIN_ONLY_CIPHER; + sess->cipher.iv.offset = cipher_xform->iv.offset; + sess->cipher.iv.length = cipher_xform->iv.length; + sess->cipher.op = cipher_xform->op; + sess->cipher.algo = cipher_xform->algo; + sess->cipher.dataunit_len = cipher_xform->dataunit_len; + sess->cipher.lbads = zsda_sym_lbads(cipher_xform->dataunit_len); + if (sess->cipher.lbads == 0xff) { + ZSDA_LOG(ERR, "dataunit_len wrong!"); + return -EINVAL; + } + + skey_len = (cipher_xform->key.length / 2) & 0xff; + + /* key set */ + if (sess->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) { + sess->cipher.key_encry.length = cipher_xform->key.length; + if (skey_len == ZSDA_SYM_XTS_256_SKEY_LEN) { + zsda_reverse_memcpy((uint8_t *)sess->cipher.key_encry.data + + ZSDA_SYM_XTS_256_KEY2_OFF, + (cipher_xform->key.data + skey_len), + skey_len); + zsda_reverse_memcpy(((uint8_t *)sess->cipher.key_encry.data + + ZSDA_SYM_XTS_256_KEY1_OFF), + cipher_xform->key.data, skey_len); + } else + zsda_reverse_memcpy((uint8_t *)sess->cipher.key_encry.data, + cipher_xform->key.data, + cipher_xform->key.length); + } else if (sess->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) { + sess->cipher.key_decry.length = cipher_xform->key.length; + key1_ptr = cipher_xform->key.data; + zsda_decry_set_key(sess->cipher.key_decry.data, key1_ptr, skey_len, + sess->cipher.algo); + } + + return 0; +} + +static void +zsda_set_session_auth(struct zsda_sym_session *sess, + struct rte_crypto_auth_xform *xform) +{ + sess->auth.op = xform->op; + sess->auth.algo = xform->algo; + sess->auth.digest_length = xform->digest_length; + sess->chain_order = ZSDA_SYM_CHAIN_ONLY_AUTH; +} + +static struct rte_crypto_auth_xform * +zsda_get_auth_xform(struct rte_crypto_sym_xform *xform) +{ + do { + if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) + return &xform->auth; + + xform = xform->next; + } while (xform); + + return NULL; +} + +static struct rte_crypto_cipher_xform * +zsda_get_cipher_xform(struct rte_crypto_sym_xform *xform) +{ + do { + if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) + return &xform->cipher; + + xform = xform->next; + } while (xform); + + return NULL; +} + +/** Configure the session from a crypto xform chain */ +static enum zsda_sym_chain_order +zsda_crypto_get_chain_order(const struct rte_crypto_sym_xform *xform) +{ + enum zsda_sym_chain_order res = ZSDA_SYM_CHAIN_NOT_SUPPORTED; + + if (xform != NULL) { + if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) { + if (xform->next == NULL) + res = ZSDA_SYM_CHAIN_ONLY_AUTH; + else if (xform->next->type == + RTE_CRYPTO_SYM_XFORM_CIPHER) + res = ZSDA_SYM_CHAIN_AUTH_CIPHER; + } + if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) { + if (xform->next == NULL) + res = ZSDA_SYM_CHAIN_ONLY_CIPHER; + else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) + res = ZSDA_SYM_CHAIN_CIPHER_AUTH; + } + } + + return res; +} + +/* Set session cipher parameters */ +int +zsda_crypto_set_session_parameters(void *sess_priv, + struct rte_crypto_sym_xform *xform) +{ + + struct zsda_sym_session *sess = (struct zsda_sym_session *) sess_priv; + struct rte_crypto_cipher_xform *cipher_xform = + zsda_get_cipher_xform(xform); + struct rte_crypto_auth_xform *auth_xform = + zsda_get_auth_xform(xform); + + int ret = 0; + + sess->chain_order = zsda_crypto_get_chain_order(xform); + switch (sess->chain_order) { + case ZSDA_SYM_CHAIN_ONLY_CIPHER: + zsda_set_session_cipher(sess, cipher_xform); + break; + case ZSDA_SYM_CHAIN_ONLY_AUTH: + zsda_set_session_auth(sess, auth_xform); + break; + + default: + ZSDA_LOG(ERR, "Invalid chain order"); + ret = -EINVAL; + break; + } + + return ret; +} diff --git a/drivers/crypto/zsda/zsda_sym_session.h b/drivers/crypto/zsda/zsda_sym_session.h new file mode 100644 index 0000000000..1797e46cb3 --- /dev/null +++ b/drivers/crypto/zsda/zsda_sym_session.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2024 ZTE Corporation + */ + +#ifndef _ZSDA_SYM_SESSION_H_ +#define _ZSDA_SYM_SESSION_H_ + +#include "zsda_sym.h" + +#define ZSDA_SYM_XTS_IV_SLBA_OFF (8) +#define ZSDA_SYM_XTS_256_SKEY_LEN (16) +#define ZSDA_SYM_XTS_512_SKEY_LEN (32) +#define ZSDA_SYM_XTS_256_KEY2_OFF (16) +#define ZSDA_SYM_XTS_256_KEY1_OFF (48) +#define ZSDA_SYM_XTS_512_KEY1_OFF (32) +#define ZSDA_SYM_MIN_SRC_LEN_HASH (16) + +#define ZSDA_AES256_ROUND_NUM (10) +#define ZSDA_AES512_ROUND_NUM (14) +#define ZSDA_AES_MAX_EXP_BYTE_SIZE (240) +#define ZSDA_AES_MAX_KEY_BYTE_LEN (32) +#define ZSDA_SM4_MAX_EXP_DWORD_SIZE (32) + +#define ZSDA_AES_LBADS_0 (0) +#define ZSDA_AES_LBADS_512 (512) +#define ZSDA_AES_LBADS_4096 (4096) +#define ZSDA_AES_LBADS_8192 (8192) + +#define ZSDA_AES_LBADS_INDICATE_0 (0x0) +#define ZSDA_AES_LBADS_INDICATE_512 (0x9) +#define ZSDA_AES_LBADS_INDICATE_4096 (0xC) +#define ZSDA_AES_LBADS_INDICATE_8192 (0xD) +#define ZSDA_AES_LBADS_INDICATE_INVALID (0xff) + +enum zsda_sym_chain_order { + ZSDA_SYM_CHAIN_ONLY_CIPHER, + ZSDA_SYM_CHAIN_ONLY_AUTH, + ZSDA_SYM_CHAIN_CIPHER_AUTH, + ZSDA_SYM_CHAIN_AUTH_CIPHER, + ZSDA_SYM_CHAIN_NOT_SUPPORTED +}; + +struct __rte_cache_aligned zsda_sym_session { + enum zsda_sym_chain_order chain_order; + + /* Cipher Parameters */ + struct { + enum rte_crypto_cipher_operation op; + enum rte_crypto_cipher_algorithm algo; + struct { + uint8_t data[ZSDA_CIPHER_KEY_MAX_LEN]; + size_t length; + } key_encry; + struct { + uint8_t data[ZSDA_CIPHER_KEY_MAX_LEN]; + size_t length; + } key_decry; + struct { + uint32_t offset; + size_t length; + } iv; + + uint32_t dataunit_len; + uint8_t lbads; + } cipher; + + struct { + enum rte_crypto_auth_operation op; + /* Auth operation */ + enum rte_crypto_auth_algorithm algo; + /* Auth algorithm */ + uint16_t digest_length; + } auth; + + bool cipher_first; +}; + + +int zsda_crypto_set_session_parameters(void *sess_priv, + struct rte_crypto_sym_xform *xform); + +#endif /* _ZSDA_SYM_SESSION_H_ */ -- 2.27.0