Introduce key expansion code for zsda sym drivers. Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn> --- drivers/common/zsda/meson.build | 15 +- drivers/crypto/zsda/zsda_sym_session.c | 281 +++++++++++++++++++++++++ drivers/crypto/zsda/zsda_sym_session.h | 9 + 3 files changed, 304 insertions(+), 1 deletion(-) 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 318adb1fd7..9ce01a96fc 100644 --- a/drivers/common/zsda/meson.build +++ b/drivers/common/zsda/meson.build @@ -7,7 +7,7 @@ if is_windows subdir_done() endif -deps += ['bus_pci', 'mbuf', 'compressdev'] +deps += ['bus_pci','mbuf', 'compressdev', 'cryptodev'] sources += files( 'zsda_logs.c', 'zsda_common.c', @@ -24,3 +24,16 @@ if zsda_compress sources += files(join_paths(zsda_compress_relpath, f)) endforeach 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_session.c'] + sources += files(join_paths(zsda_crypto_relpath, f)) + endforeach + deps += ['security'] + ext_deps += libcrypto + cflags += ['-DBUILD_ZSDA_SYM'] +endif diff --git a/drivers/crypto/zsda/zsda_sym_session.c b/drivers/crypto/zsda/zsda_sym_session.c new file mode 100644 index 0000000000..ddb6b6a62f --- /dev/null +++ b/drivers/crypto/zsda/zsda_sym_session.c @@ -0,0 +1,281 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2024 ZTE Corporation + */ + +#include "cryptodev_pmd.h" + +#include "zsda_common.h" +#include "zsda_sym_session.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 uint8_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]; + } +} diff --git a/drivers/crypto/zsda/zsda_sym_session.h b/drivers/crypto/zsda/zsda_sym_session.h new file mode 100644 index 0000000000..15897b1aaf --- /dev/null +++ b/drivers/crypto/zsda/zsda_sym_session.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2024 ZTE Corporation + */ + +#ifndef _ZSDA_SYM_SESSION_H_ +#define _ZSDA_SYM_SESSION_H_ + + +#endif /* _ZSDA_SYM_SESSION_H_ */ -- 2.27.0