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sm4intrin.h
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/*===--------------- sm4intrin.h - SM4 intrinsics -----------------=== * * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. * See https://llvm.org/LICENSE.txt for license information. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception * *===-----------------------------------------------------------------------=== */ #ifndef __IMMINTRIN_H #error "Never use <sm4intrin.h> directly; include <immintrin.h> instead." #endif // __IMMINTRIN_H #ifndef __SM4INTRIN_H #define __SM4INTRIN_H /// This intrinsic performs four rounds of SM4 key expansion. The intrinsic /// operates on independent 128-bit lanes. The calculated results are /// stored in \a dst. /// \headerfile <immintrin.h> /// /// \code /// __m128i _mm_sm4key4_epi32(__m128i __A, __m128i __B) /// \endcode /// /// This intrinsic corresponds to the \c VSM4KEY4 instruction. /// /// \param __A /// A 128-bit vector of [4 x int]. /// \param __B /// A 128-bit vector of [4 x int]. /// \returns /// A 128-bit vector of [4 x int]. /// /// \code{.operation} /// DEFINE ROL32(dword, n) { /// count := n % 32 /// dest := (dword << count) | (dword >> (32-count)) /// RETURN dest /// } /// DEFINE SBOX_BYTE(dword, i) { /// RETURN sbox[dword.byte[i]] /// } /// DEFINE lower_t(dword) { /// tmp.byte[0] := SBOX_BYTE(dword, 0) /// tmp.byte[1] := SBOX_BYTE(dword, 1) /// tmp.byte[2] := SBOX_BYTE(dword, 2) /// tmp.byte[3] := SBOX_BYTE(dword, 3) /// RETURN tmp /// } /// DEFINE L_KEY(dword) { /// RETURN dword ^ ROL32(dword, 13) ^ ROL32(dword, 23) /// } /// DEFINE T_KEY(dword) { /// RETURN L_KEY(lower_t(dword)) /// } /// DEFINE F_KEY(X0, X1, X2, X3, round_key) { /// RETURN X0 ^ T_KEY(X1 ^ X2 ^ X3 ^ round_key) /// } /// FOR i:= 0 to 0 /// P[0] := __B.xmm[i].dword[0] /// P[1] := __B.xmm[i].dword[1] /// P[2] := __B.xmm[i].dword[2] /// P[3] := __B.xmm[i].dword[3] /// C[0] := F_KEY(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0]) /// C[1] := F_KEY(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1]) /// C[2] := F_KEY(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2]) /// C[3] := F_KEY(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3]) /// DEST.xmm[i].dword[0] := C[0] /// DEST.xmm[i].dword[1] := C[1] /// DEST.xmm[i].dword[2] := C[2] /// DEST.xmm[i].dword[3] := C[3] /// ENDFOR /// DEST[MAX:128] := 0 /// \endcode #define _mm_sm4key4_epi32(A, B) \ (__m128i) __builtin_ia32_vsm4key4128((__v4su)A, (__v4su)B) /// This intrinsic performs four rounds of SM4 key expansion. The intrinsic /// operates on independent 128-bit lanes. The calculated results are /// stored in \a dst. /// \headerfile <immintrin.h> /// /// \code /// __m256i _mm256_sm4key4_epi32(__m256i __A, __m256i __B) /// \endcode /// /// This intrinsic corresponds to the \c VSM4KEY4 instruction. /// /// \param __A /// A 256-bit vector of [8 x int]. /// \param __B /// A 256-bit vector of [8 x int]. /// \returns /// A 256-bit vector of [8 x int]. /// /// \code{.operation} /// DEFINE ROL32(dword, n) { /// count := n % 32 /// dest := (dword << count) | (dword >> (32-count)) /// RETURN dest /// } /// DEFINE SBOX_BYTE(dword, i) { /// RETURN sbox[dword.byte[i]] /// } /// DEFINE lower_t(dword) { /// tmp.byte[0] := SBOX_BYTE(dword, 0) /// tmp.byte[1] := SBOX_BYTE(dword, 1) /// tmp.byte[2] := SBOX_BYTE(dword, 2) /// tmp.byte[3] := SBOX_BYTE(dword, 3) /// RETURN tmp /// } /// DEFINE L_KEY(dword) { /// RETURN dword ^ ROL32(dword, 13) ^ ROL32(dword, 23) /// } /// DEFINE T_KEY(dword) { /// RETURN L_KEY(lower_t(dword)) /// } /// DEFINE F_KEY(X0, X1, X2, X3, round_key) { /// RETURN X0 ^ T_KEY(X1 ^ X2 ^ X3 ^ round_key) /// } /// FOR i:= 0 to 1 /// P[0] := __B.xmm[i].dword[0] /// P[1] := __B.xmm[i].dword[1] /// P[2] := __B.xmm[i].dword[2] /// P[3] := __B.xmm[i].dword[3] /// C[0] := F_KEY(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0]) /// C[1] := F_KEY(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1]) /// C[2] := F_KEY(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2]) /// C[3] := F_KEY(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3]) /// DEST.xmm[i].dword[0] := C[0] /// DEST.xmm[i].dword[1] := C[1] /// DEST.xmm[i].dword[2] := C[2] /// DEST.xmm[i].dword[3] := C[3] /// ENDFOR /// DEST[MAX:256] := 0 /// \endcode #define _mm256_sm4key4_epi32(A, B) \ (__m256i) __builtin_ia32_vsm4key4256((__v8su)A, (__v8su)B) /// This intrinisc performs four rounds of SM4 encryption. The intrinisc /// operates on independent 128-bit lanes. The calculated results are /// stored in \a dst. /// \headerfile <immintrin.h> /// /// \code /// __m128i _mm_sm4rnds4_epi32(__m128i __A, __m128i __B) /// \endcode /// /// This intrinsic corresponds to the \c VSM4RNDS4 instruction. /// /// \param __A /// A 128-bit vector of [4 x int]. /// \param __B /// A 128-bit vector of [4 x int]. /// \returns /// A 128-bit vector of [4 x int]. /// /// \code{.operation} /// DEFINE ROL32(dword, n) { /// count := n % 32 /// dest := (dword << count) | (dword >> (32-count)) /// RETURN dest /// } /// DEFINE lower_t(dword) { /// tmp.byte[0] := SBOX_BYTE(dword, 0) /// tmp.byte[1] := SBOX_BYTE(dword, 1) /// tmp.byte[2] := SBOX_BYTE(dword, 2) /// tmp.byte[3] := SBOX_BYTE(dword, 3) /// RETURN tmp /// } /// DEFINE L_RND(dword) { /// tmp := dword /// tmp := tmp ^ ROL32(dword, 2) /// tmp := tmp ^ ROL32(dword, 10) /// tmp := tmp ^ ROL32(dword, 18) /// tmp := tmp ^ ROL32(dword, 24) /// RETURN tmp /// } /// DEFINE T_RND(dword) { /// RETURN L_RND(lower_t(dword)) /// } /// DEFINE F_RND(X0, X1, X2, X3, round_key) { /// RETURN X0 ^ T_RND(X1 ^ X2 ^ X3 ^ round_key) /// } /// FOR i:= 0 to 0 /// P[0] := __B.xmm[i].dword[0] /// P[1] := __B.xmm[i].dword[1] /// P[2] := __B.xmm[i].dword[2] /// P[3] := __B.xmm[i].dword[3] /// C[0] := F_RND(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0]) /// C[1] := F_RND(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1]) /// C[2] := F_RND(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2]) /// C[3] := F_RND(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3]) /// DEST.xmm[i].dword[0] := C[0] /// DEST.xmm[i].dword[1] := C[1] /// DEST.xmm[i].dword[2] := C[2] /// DEST.xmm[i].dword[3] := C[3] /// ENDFOR /// DEST[MAX:128] := 0 /// \endcode #define _mm_sm4rnds4_epi32(A, B) \ (__m128i) __builtin_ia32_vsm4rnds4128((__v4su)A, (__v4su)B) /// This intrinisc performs four rounds of SM4 encryption. The intrinisc /// operates on independent 128-bit lanes. The calculated results are /// stored in \a dst. /// \headerfile <immintrin.h> /// /// \code /// __m256i _mm256_sm4rnds4_epi32(__m256i __A, __m256i __B) /// \endcode /// /// This intrinsic corresponds to the \c VSM4RNDS4 instruction. /// /// \param __A /// A 256-bit vector of [8 x int]. /// \param __B /// A 256-bit vector of [8 x int]. /// \returns /// A 256-bit vector of [8 x int]. /// /// \code{.operation} /// DEFINE ROL32(dword, n) { /// count := n % 32 /// dest := (dword << count) | (dword >> (32-count)) /// RETURN dest /// } /// DEFINE lower_t(dword) { /// tmp.byte[0] := SBOX_BYTE(dword, 0) /// tmp.byte[1] := SBOX_BYTE(dword, 1) /// tmp.byte[2] := SBOX_BYTE(dword, 2) /// tmp.byte[3] := SBOX_BYTE(dword, 3) /// RETURN tmp /// } /// DEFINE L_RND(dword) { /// tmp := dword /// tmp := tmp ^ ROL32(dword, 2) /// tmp := tmp ^ ROL32(dword, 10) /// tmp := tmp ^ ROL32(dword, 18) /// tmp := tmp ^ ROL32(dword, 24) /// RETURN tmp /// } /// DEFINE T_RND(dword) { /// RETURN L_RND(lower_t(dword)) /// } /// DEFINE F_RND(X0, X1, X2, X3, round_key) { /// RETURN X0 ^ T_RND(X1 ^ X2 ^ X3 ^ round_key) /// } /// FOR i:= 0 to 0 /// P[0] := __B.xmm[i].dword[0] /// P[1] := __B.xmm[i].dword[1] /// P[2] := __B.xmm[i].dword[2] /// P[3] := __B.xmm[i].dword[3] /// C[0] := F_RND(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0]) /// C[1] := F_RND(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1]) /// C[2] := F_RND(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2]) /// C[3] := F_RND(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3]) /// DEST.xmm[i].dword[0] := C[0] /// DEST.xmm[i].dword[1] := C[1] /// DEST.xmm[i].dword[2] := C[2] /// DEST.xmm[i].dword[3] := C[3] /// ENDFOR /// DEST[MAX:256] := 0 /// \endcode #define _mm256_sm4rnds4_epi32(A, B) \ (__m256i) __builtin_ia32_vsm4rnds4256((__v8su)A, (__v8su)B) #endif // __SM4INTRIN_H