/* MIT License * * Copyright (c) 2016-2022 INRIA, CMU and Microsoft Corporation * Copyright (c) 2022-2023 HACL* Contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "Hacl_Chacha20_Vec128.h" #include "internal/Hacl_Chacha20.h" #include "libintvector.h" static inline void double_round_128(Lib_IntVector_Intrinsics_vec128 *st) { st[0U] = Lib_IntVector_Intrinsics_vec128_add32(st[0U], st[4U]); Lib_IntVector_Intrinsics_vec128 std = Lib_IntVector_Intrinsics_vec128_xor(st[12U], st[0U]); st[12U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std, (uint32_t)16U); st[8U] = Lib_IntVector_Intrinsics_vec128_add32(st[8U], st[12U]); Lib_IntVector_Intrinsics_vec128 std0 = Lib_IntVector_Intrinsics_vec128_xor(st[4U], st[8U]); st[4U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std0, (uint32_t)12U); st[0U] = Lib_IntVector_Intrinsics_vec128_add32(st[0U], st[4U]); Lib_IntVector_Intrinsics_vec128 std1 = Lib_IntVector_Intrinsics_vec128_xor(st[12U], st[0U]); st[12U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std1, (uint32_t)8U); st[8U] = Lib_IntVector_Intrinsics_vec128_add32(st[8U], st[12U]); Lib_IntVector_Intrinsics_vec128 std2 = Lib_IntVector_Intrinsics_vec128_xor(st[4U], st[8U]); st[4U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std2, (uint32_t)7U); st[1U] = Lib_IntVector_Intrinsics_vec128_add32(st[1U], st[5U]); Lib_IntVector_Intrinsics_vec128 std3 = Lib_IntVector_Intrinsics_vec128_xor(st[13U], st[1U]); st[13U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std3, (uint32_t)16U); st[9U] = Lib_IntVector_Intrinsics_vec128_add32(st[9U], st[13U]); Lib_IntVector_Intrinsics_vec128 std4 = Lib_IntVector_Intrinsics_vec128_xor(st[5U], st[9U]); st[5U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std4, (uint32_t)12U); st[1U] = Lib_IntVector_Intrinsics_vec128_add32(st[1U], st[5U]); Lib_IntVector_Intrinsics_vec128 std5 = Lib_IntVector_Intrinsics_vec128_xor(st[13U], st[1U]); st[13U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std5, (uint32_t)8U); st[9U] = Lib_IntVector_Intrinsics_vec128_add32(st[9U], st[13U]); Lib_IntVector_Intrinsics_vec128 std6 = Lib_IntVector_Intrinsics_vec128_xor(st[5U], st[9U]); st[5U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std6, (uint32_t)7U); st[2U] = Lib_IntVector_Intrinsics_vec128_add32(st[2U], st[6U]); Lib_IntVector_Intrinsics_vec128 std7 = Lib_IntVector_Intrinsics_vec128_xor(st[14U], st[2U]); st[14U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std7, (uint32_t)16U); st[10U] = Lib_IntVector_Intrinsics_vec128_add32(st[10U], st[14U]); Lib_IntVector_Intrinsics_vec128 std8 = Lib_IntVector_Intrinsics_vec128_xor(st[6U], st[10U]); st[6U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std8, (uint32_t)12U); st[2U] = Lib_IntVector_Intrinsics_vec128_add32(st[2U], st[6U]); Lib_IntVector_Intrinsics_vec128 std9 = Lib_IntVector_Intrinsics_vec128_xor(st[14U], st[2U]); st[14U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std9, (uint32_t)8U); st[10U] = Lib_IntVector_Intrinsics_vec128_add32(st[10U], st[14U]); Lib_IntVector_Intrinsics_vec128 std10 = Lib_IntVector_Intrinsics_vec128_xor(st[6U], st[10U]); st[6U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std10, (uint32_t)7U); st[3U] = Lib_IntVector_Intrinsics_vec128_add32(st[3U], st[7U]); Lib_IntVector_Intrinsics_vec128 std11 = Lib_IntVector_Intrinsics_vec128_xor(st[15U], st[3U]); st[15U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std11, (uint32_t)16U); st[11U] = Lib_IntVector_Intrinsics_vec128_add32(st[11U], st[15U]); Lib_IntVector_Intrinsics_vec128 std12 = Lib_IntVector_Intrinsics_vec128_xor(st[7U], st[11U]); st[7U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std12, (uint32_t)12U); st[3U] = Lib_IntVector_Intrinsics_vec128_add32(st[3U], st[7U]); Lib_IntVector_Intrinsics_vec128 std13 = Lib_IntVector_Intrinsics_vec128_xor(st[15U], st[3U]); st[15U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std13, (uint32_t)8U); st[11U] = Lib_IntVector_Intrinsics_vec128_add32(st[11U], st[15U]); Lib_IntVector_Intrinsics_vec128 std14 = Lib_IntVector_Intrinsics_vec128_xor(st[7U], st[11U]); st[7U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std14, (uint32_t)7U); st[0U] = Lib_IntVector_Intrinsics_vec128_add32(st[0U], st[5U]); Lib_IntVector_Intrinsics_vec128 std15 = Lib_IntVector_Intrinsics_vec128_xor(st[15U], st[0U]); st[15U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std15, (uint32_t)16U); st[10U] = Lib_IntVector_Intrinsics_vec128_add32(st[10U], st[15U]); Lib_IntVector_Intrinsics_vec128 std16 = Lib_IntVector_Intrinsics_vec128_xor(st[5U], st[10U]); st[5U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std16, (uint32_t)12U); st[0U] = Lib_IntVector_Intrinsics_vec128_add32(st[0U], st[5U]); Lib_IntVector_Intrinsics_vec128 std17 = Lib_IntVector_Intrinsics_vec128_xor(st[15U], st[0U]); st[15U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std17, (uint32_t)8U); st[10U] = Lib_IntVector_Intrinsics_vec128_add32(st[10U], st[15U]); Lib_IntVector_Intrinsics_vec128 std18 = Lib_IntVector_Intrinsics_vec128_xor(st[5U], st[10U]); st[5U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std18, (uint32_t)7U); st[1U] = Lib_IntVector_Intrinsics_vec128_add32(st[1U], st[6U]); Lib_IntVector_Intrinsics_vec128 std19 = Lib_IntVector_Intrinsics_vec128_xor(st[12U], st[1U]); st[12U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std19, (uint32_t)16U); st[11U] = Lib_IntVector_Intrinsics_vec128_add32(st[11U], st[12U]); Lib_IntVector_Intrinsics_vec128 std20 = Lib_IntVector_Intrinsics_vec128_xor(st[6U], st[11U]); st[6U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std20, (uint32_t)12U); st[1U] = Lib_IntVector_Intrinsics_vec128_add32(st[1U], st[6U]); Lib_IntVector_Intrinsics_vec128 std21 = Lib_IntVector_Intrinsics_vec128_xor(st[12U], st[1U]); st[12U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std21, (uint32_t)8U); st[11U] = Lib_IntVector_Intrinsics_vec128_add32(st[11U], st[12U]); Lib_IntVector_Intrinsics_vec128 std22 = Lib_IntVector_Intrinsics_vec128_xor(st[6U], st[11U]); st[6U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std22, (uint32_t)7U); st[2U] = Lib_IntVector_Intrinsics_vec128_add32(st[2U], st[7U]); Lib_IntVector_Intrinsics_vec128 std23 = Lib_IntVector_Intrinsics_vec128_xor(st[13U], st[2U]); st[13U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std23, (uint32_t)16U); st[8U] = Lib_IntVector_Intrinsics_vec128_add32(st[8U], st[13U]); Lib_IntVector_Intrinsics_vec128 std24 = Lib_IntVector_Intrinsics_vec128_xor(st[7U], st[8U]); st[7U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std24, (uint32_t)12U); st[2U] = Lib_IntVector_Intrinsics_vec128_add32(st[2U], st[7U]); Lib_IntVector_Intrinsics_vec128 std25 = Lib_IntVector_Intrinsics_vec128_xor(st[13U], st[2U]); st[13U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std25, (uint32_t)8U); st[8U] = Lib_IntVector_Intrinsics_vec128_add32(st[8U], st[13U]); Lib_IntVector_Intrinsics_vec128 std26 = Lib_IntVector_Intrinsics_vec128_xor(st[7U], st[8U]); st[7U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std26, (uint32_t)7U); st[3U] = Lib_IntVector_Intrinsics_vec128_add32(st[3U], st[4U]); Lib_IntVector_Intrinsics_vec128 std27 = Lib_IntVector_Intrinsics_vec128_xor(st[14U], st[3U]); st[14U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std27, (uint32_t)16U); st[9U] = Lib_IntVector_Intrinsics_vec128_add32(st[9U], st[14U]); Lib_IntVector_Intrinsics_vec128 std28 = Lib_IntVector_Intrinsics_vec128_xor(st[4U], st[9U]); st[4U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std28, (uint32_t)12U); st[3U] = Lib_IntVector_Intrinsics_vec128_add32(st[3U], st[4U]); Lib_IntVector_Intrinsics_vec128 std29 = Lib_IntVector_Intrinsics_vec128_xor(st[14U], st[3U]); st[14U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std29, (uint32_t)8U); st[9U] = Lib_IntVector_Intrinsics_vec128_add32(st[9U], st[14U]); Lib_IntVector_Intrinsics_vec128 std30 = Lib_IntVector_Intrinsics_vec128_xor(st[4U], st[9U]); st[4U] = Lib_IntVector_Intrinsics_vec128_rotate_left32(std30, (uint32_t)7U); } static inline void chacha20_core_128( Lib_IntVector_Intrinsics_vec128 *k, Lib_IntVector_Intrinsics_vec128 *ctx, uint32_t ctr) { memcpy(k, ctx, (uint32_t)16U * sizeof(Lib_IntVector_Intrinsics_vec128)); uint32_t ctr_u32 = (uint32_t)4U * ctr; Lib_IntVector_Intrinsics_vec128 cv = Lib_IntVector_Intrinsics_vec128_load32(ctr_u32); k[12U] = Lib_IntVector_Intrinsics_vec128_add32(k[12U], cv); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); double_round_128(k); KRML_MAYBE_FOR16(i, (uint32_t)0U, (uint32_t)16U, (uint32_t)1U, Lib_IntVector_Intrinsics_vec128 *os = k; Lib_IntVector_Intrinsics_vec128 x = Lib_IntVector_Intrinsics_vec128_add32(k[i], ctx[i]); os[i] = x;); k[12U] = Lib_IntVector_Intrinsics_vec128_add32(k[12U], cv); } static inline void chacha20_init_128(Lib_IntVector_Intrinsics_vec128 *ctx, uint8_t *k, uint8_t *n, uint32_t ctr) { uint32_t ctx1[16U] = { 0U }; KRML_MAYBE_FOR4(i, (uint32_t)0U, (uint32_t)4U, (uint32_t)1U, uint32_t *os = ctx1; uint32_t x = Hacl_Impl_Chacha20_Vec_chacha20_constants[i]; os[i] = x;); KRML_MAYBE_FOR8(i, (uint32_t)0U, (uint32_t)8U, (uint32_t)1U, uint32_t *os = ctx1 + (uint32_t)4U; uint8_t *bj = k + i * (uint32_t)4U; uint32_t u = load32_le(bj); uint32_t r = u; uint32_t x = r; os[i] = x;); ctx1[12U] = ctr; KRML_MAYBE_FOR3(i, (uint32_t)0U, (uint32_t)3U, (uint32_t)1U, uint32_t *os = ctx1 + (uint32_t)13U; uint8_t *bj = n + i * (uint32_t)4U; uint32_t u = load32_le(bj); uint32_t r = u; uint32_t x = r; os[i] = x;); KRML_MAYBE_FOR16(i, (uint32_t)0U, (uint32_t)16U, (uint32_t)1U, Lib_IntVector_Intrinsics_vec128 *os = ctx; uint32_t x = ctx1[i]; Lib_IntVector_Intrinsics_vec128 x0 = Lib_IntVector_Intrinsics_vec128_load32(x); os[i] = x0;); Lib_IntVector_Intrinsics_vec128 ctr1 = Lib_IntVector_Intrinsics_vec128_load32s((uint32_t)0U, (uint32_t)1U, (uint32_t)2U, (uint32_t)3U); Lib_IntVector_Intrinsics_vec128 c12 = ctx[12U]; ctx[12U] = Lib_IntVector_Intrinsics_vec128_add32(c12, ctr1); } void Hacl_Chacha20_Vec128_chacha20_encrypt_128( uint32_t len, uint8_t *out, uint8_t *text, uint8_t *key, uint8_t *n, uint32_t ctr) { KRML_PRE_ALIGN(16) Lib_IntVector_Intrinsics_vec128 ctx[16U] KRML_POST_ALIGN(16) = { 0U }; chacha20_init_128(ctx, key, n, ctr); uint32_t rem = len % (uint32_t)256U; uint32_t nb = len / (uint32_t)256U; uint32_t rem1 = len % (uint32_t)256U; for (uint32_t i = (uint32_t)0U; i < nb; i++) { uint8_t *uu____0 = out + i * (uint32_t)256U; uint8_t *uu____1 = text + i * (uint32_t)256U; KRML_PRE_ALIGN(16) Lib_IntVector_Intrinsics_vec128 k[16U] KRML_POST_ALIGN(16) = { 0U }; chacha20_core_128(k, ctx, i); Lib_IntVector_Intrinsics_vec128 st0 = k[0U]; Lib_IntVector_Intrinsics_vec128 st1 = k[1U]; Lib_IntVector_Intrinsics_vec128 st2 = k[2U]; Lib_IntVector_Intrinsics_vec128 st3 = k[3U]; Lib_IntVector_Intrinsics_vec128 st4 = k[4U]; Lib_IntVector_Intrinsics_vec128 st5 = k[5U]; Lib_IntVector_Intrinsics_vec128 st6 = k[6U]; Lib_IntVector_Intrinsics_vec128 st7 = k[7U]; Lib_IntVector_Intrinsics_vec128 st8 = k[8U]; Lib_IntVector_Intrinsics_vec128 st9 = k[9U]; Lib_IntVector_Intrinsics_vec128 st10 = k[10U]; Lib_IntVector_Intrinsics_vec128 st11 = k[11U]; Lib_IntVector_Intrinsics_vec128 st12 = k[12U]; Lib_IntVector_Intrinsics_vec128 st13 = k[13U]; Lib_IntVector_Intrinsics_vec128 st14 = k[14U]; Lib_IntVector_Intrinsics_vec128 st15 = k[15U]; Lib_IntVector_Intrinsics_vec128 v0_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st0, st1); Lib_IntVector_Intrinsics_vec128 v1_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st0, st1); Lib_IntVector_Intrinsics_vec128 v2_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st2, st3); Lib_IntVector_Intrinsics_vec128 v3_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st2, st3); Lib_IntVector_Intrinsics_vec128 v0__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v1__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v2__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v3__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v0__0 = v0__; Lib_IntVector_Intrinsics_vec128 v2__0 = v2__; Lib_IntVector_Intrinsics_vec128 v1__0 = v1__; Lib_IntVector_Intrinsics_vec128 v3__0 = v3__; Lib_IntVector_Intrinsics_vec128 v0 = v0__0; Lib_IntVector_Intrinsics_vec128 v1 = v1__0; Lib_IntVector_Intrinsics_vec128 v2 = v2__0; Lib_IntVector_Intrinsics_vec128 v3 = v3__0; Lib_IntVector_Intrinsics_vec128 v0_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st4, st5); Lib_IntVector_Intrinsics_vec128 v1_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st4, st5); Lib_IntVector_Intrinsics_vec128 v2_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st6, st7); Lib_IntVector_Intrinsics_vec128 v3_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st6, st7); Lib_IntVector_Intrinsics_vec128 v0__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v1__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v2__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v3__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v0__2 = v0__1; Lib_IntVector_Intrinsics_vec128 v2__2 = v2__1; Lib_IntVector_Intrinsics_vec128 v1__2 = v1__1; Lib_IntVector_Intrinsics_vec128 v3__2 = v3__1; Lib_IntVector_Intrinsics_vec128 v4 = v0__2; Lib_IntVector_Intrinsics_vec128 v5 = v1__2; Lib_IntVector_Intrinsics_vec128 v6 = v2__2; Lib_IntVector_Intrinsics_vec128 v7 = v3__2; Lib_IntVector_Intrinsics_vec128 v0_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st8, st9); Lib_IntVector_Intrinsics_vec128 v1_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st8, st9); Lib_IntVector_Intrinsics_vec128 v2_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st10, st11); Lib_IntVector_Intrinsics_vec128 v3_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st10, st11); Lib_IntVector_Intrinsics_vec128 v0__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v1__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v2__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v3__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v0__4 = v0__3; Lib_IntVector_Intrinsics_vec128 v2__4 = v2__3; Lib_IntVector_Intrinsics_vec128 v1__4 = v1__3; Lib_IntVector_Intrinsics_vec128 v3__4 = v3__3; Lib_IntVector_Intrinsics_vec128 v8 = v0__4; Lib_IntVector_Intrinsics_vec128 v9 = v1__4; Lib_IntVector_Intrinsics_vec128 v10 = v2__4; Lib_IntVector_Intrinsics_vec128 v11 = v3__4; Lib_IntVector_Intrinsics_vec128 v0_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st12, st13); Lib_IntVector_Intrinsics_vec128 v1_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st12, st13); Lib_IntVector_Intrinsics_vec128 v2_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st14, st15); Lib_IntVector_Intrinsics_vec128 v3_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st14, st15); Lib_IntVector_Intrinsics_vec128 v0__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v1__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v2__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v3__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v0__6 = v0__5; Lib_IntVector_Intrinsics_vec128 v2__6 = v2__5; Lib_IntVector_Intrinsics_vec128 v1__6 = v1__5; Lib_IntVector_Intrinsics_vec128 v3__6 = v3__5; Lib_IntVector_Intrinsics_vec128 v12 = v0__6; Lib_IntVector_Intrinsics_vec128 v13 = v1__6; Lib_IntVector_Intrinsics_vec128 v14 = v2__6; Lib_IntVector_Intrinsics_vec128 v15 = v3__6; k[0U] = v0; k[1U] = v4; k[2U] = v8; k[3U] = v12; k[4U] = v1; k[5U] = v5; k[6U] = v9; k[7U] = v13; k[8U] = v2; k[9U] = v6; k[10U] = v10; k[11U] = v14; k[12U] = v3; k[13U] = v7; k[14U] = v11; k[15U] = v15; KRML_MAYBE_FOR16(i0, (uint32_t)0U, (uint32_t)16U, (uint32_t)1U, Lib_IntVector_Intrinsics_vec128 x = Lib_IntVector_Intrinsics_vec128_load32_le(uu____1 + i0 * (uint32_t)16U); Lib_IntVector_Intrinsics_vec128 y = Lib_IntVector_Intrinsics_vec128_xor(x, k[i0]); Lib_IntVector_Intrinsics_vec128_store32_le(uu____0 + i0 * (uint32_t)16U, y);); } if (rem1 > (uint32_t)0U) { uint8_t *uu____2 = out + nb * (uint32_t)256U; uint8_t plain[256U] = { 0U }; memcpy(plain, text + nb * (uint32_t)256U, rem * sizeof(uint8_t)); KRML_PRE_ALIGN(16) Lib_IntVector_Intrinsics_vec128 k[16U] KRML_POST_ALIGN(16) = { 0U }; chacha20_core_128(k, ctx, nb); Lib_IntVector_Intrinsics_vec128 st0 = k[0U]; Lib_IntVector_Intrinsics_vec128 st1 = k[1U]; Lib_IntVector_Intrinsics_vec128 st2 = k[2U]; Lib_IntVector_Intrinsics_vec128 st3 = k[3U]; Lib_IntVector_Intrinsics_vec128 st4 = k[4U]; Lib_IntVector_Intrinsics_vec128 st5 = k[5U]; Lib_IntVector_Intrinsics_vec128 st6 = k[6U]; Lib_IntVector_Intrinsics_vec128 st7 = k[7U]; Lib_IntVector_Intrinsics_vec128 st8 = k[8U]; Lib_IntVector_Intrinsics_vec128 st9 = k[9U]; Lib_IntVector_Intrinsics_vec128 st10 = k[10U]; Lib_IntVector_Intrinsics_vec128 st11 = k[11U]; Lib_IntVector_Intrinsics_vec128 st12 = k[12U]; Lib_IntVector_Intrinsics_vec128 st13 = k[13U]; Lib_IntVector_Intrinsics_vec128 st14 = k[14U]; Lib_IntVector_Intrinsics_vec128 st15 = k[15U]; Lib_IntVector_Intrinsics_vec128 v0_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st0, st1); Lib_IntVector_Intrinsics_vec128 v1_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st0, st1); Lib_IntVector_Intrinsics_vec128 v2_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st2, st3); Lib_IntVector_Intrinsics_vec128 v3_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st2, st3); Lib_IntVector_Intrinsics_vec128 v0__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v1__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v2__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v3__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v0__0 = v0__; Lib_IntVector_Intrinsics_vec128 v2__0 = v2__; Lib_IntVector_Intrinsics_vec128 v1__0 = v1__; Lib_IntVector_Intrinsics_vec128 v3__0 = v3__; Lib_IntVector_Intrinsics_vec128 v0 = v0__0; Lib_IntVector_Intrinsics_vec128 v1 = v1__0; Lib_IntVector_Intrinsics_vec128 v2 = v2__0; Lib_IntVector_Intrinsics_vec128 v3 = v3__0; Lib_IntVector_Intrinsics_vec128 v0_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st4, st5); Lib_IntVector_Intrinsics_vec128 v1_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st4, st5); Lib_IntVector_Intrinsics_vec128 v2_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st6, st7); Lib_IntVector_Intrinsics_vec128 v3_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st6, st7); Lib_IntVector_Intrinsics_vec128 v0__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v1__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v2__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v3__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v0__2 = v0__1; Lib_IntVector_Intrinsics_vec128 v2__2 = v2__1; Lib_IntVector_Intrinsics_vec128 v1__2 = v1__1; Lib_IntVector_Intrinsics_vec128 v3__2 = v3__1; Lib_IntVector_Intrinsics_vec128 v4 = v0__2; Lib_IntVector_Intrinsics_vec128 v5 = v1__2; Lib_IntVector_Intrinsics_vec128 v6 = v2__2; Lib_IntVector_Intrinsics_vec128 v7 = v3__2; Lib_IntVector_Intrinsics_vec128 v0_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st8, st9); Lib_IntVector_Intrinsics_vec128 v1_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st8, st9); Lib_IntVector_Intrinsics_vec128 v2_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st10, st11); Lib_IntVector_Intrinsics_vec128 v3_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st10, st11); Lib_IntVector_Intrinsics_vec128 v0__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v1__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v2__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v3__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v0__4 = v0__3; Lib_IntVector_Intrinsics_vec128 v2__4 = v2__3; Lib_IntVector_Intrinsics_vec128 v1__4 = v1__3; Lib_IntVector_Intrinsics_vec128 v3__4 = v3__3; Lib_IntVector_Intrinsics_vec128 v8 = v0__4; Lib_IntVector_Intrinsics_vec128 v9 = v1__4; Lib_IntVector_Intrinsics_vec128 v10 = v2__4; Lib_IntVector_Intrinsics_vec128 v11 = v3__4; Lib_IntVector_Intrinsics_vec128 v0_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st12, st13); Lib_IntVector_Intrinsics_vec128 v1_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st12, st13); Lib_IntVector_Intrinsics_vec128 v2_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st14, st15); Lib_IntVector_Intrinsics_vec128 v3_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st14, st15); Lib_IntVector_Intrinsics_vec128 v0__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v1__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v2__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v3__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v0__6 = v0__5; Lib_IntVector_Intrinsics_vec128 v2__6 = v2__5; Lib_IntVector_Intrinsics_vec128 v1__6 = v1__5; Lib_IntVector_Intrinsics_vec128 v3__6 = v3__5; Lib_IntVector_Intrinsics_vec128 v12 = v0__6; Lib_IntVector_Intrinsics_vec128 v13 = v1__6; Lib_IntVector_Intrinsics_vec128 v14 = v2__6; Lib_IntVector_Intrinsics_vec128 v15 = v3__6; k[0U] = v0; k[1U] = v4; k[2U] = v8; k[3U] = v12; k[4U] = v1; k[5U] = v5; k[6U] = v9; k[7U] = v13; k[8U] = v2; k[9U] = v6; k[10U] = v10; k[11U] = v14; k[12U] = v3; k[13U] = v7; k[14U] = v11; k[15U] = v15; KRML_MAYBE_FOR16(i, (uint32_t)0U, (uint32_t)16U, (uint32_t)1U, Lib_IntVector_Intrinsics_vec128 x = Lib_IntVector_Intrinsics_vec128_load32_le(plain + i * (uint32_t)16U); Lib_IntVector_Intrinsics_vec128 y = Lib_IntVector_Intrinsics_vec128_xor(x, k[i]); Lib_IntVector_Intrinsics_vec128_store32_le(plain + i * (uint32_t)16U, y);); memcpy(uu____2, plain, rem * sizeof(uint8_t)); } } void Hacl_Chacha20_Vec128_chacha20_decrypt_128( uint32_t len, uint8_t *out, uint8_t *cipher, uint8_t *key, uint8_t *n, uint32_t ctr) { KRML_PRE_ALIGN(16) Lib_IntVector_Intrinsics_vec128 ctx[16U] KRML_POST_ALIGN(16) = { 0U }; chacha20_init_128(ctx, key, n, ctr); uint32_t rem = len % (uint32_t)256U; uint32_t nb = len / (uint32_t)256U; uint32_t rem1 = len % (uint32_t)256U; for (uint32_t i = (uint32_t)0U; i < nb; i++) { uint8_t *uu____0 = out + i * (uint32_t)256U; uint8_t *uu____1 = cipher + i * (uint32_t)256U; KRML_PRE_ALIGN(16) Lib_IntVector_Intrinsics_vec128 k[16U] KRML_POST_ALIGN(16) = { 0U }; chacha20_core_128(k, ctx, i); Lib_IntVector_Intrinsics_vec128 st0 = k[0U]; Lib_IntVector_Intrinsics_vec128 st1 = k[1U]; Lib_IntVector_Intrinsics_vec128 st2 = k[2U]; Lib_IntVector_Intrinsics_vec128 st3 = k[3U]; Lib_IntVector_Intrinsics_vec128 st4 = k[4U]; Lib_IntVector_Intrinsics_vec128 st5 = k[5U]; Lib_IntVector_Intrinsics_vec128 st6 = k[6U]; Lib_IntVector_Intrinsics_vec128 st7 = k[7U]; Lib_IntVector_Intrinsics_vec128 st8 = k[8U]; Lib_IntVector_Intrinsics_vec128 st9 = k[9U]; Lib_IntVector_Intrinsics_vec128 st10 = k[10U]; Lib_IntVector_Intrinsics_vec128 st11 = k[11U]; Lib_IntVector_Intrinsics_vec128 st12 = k[12U]; Lib_IntVector_Intrinsics_vec128 st13 = k[13U]; Lib_IntVector_Intrinsics_vec128 st14 = k[14U]; Lib_IntVector_Intrinsics_vec128 st15 = k[15U]; Lib_IntVector_Intrinsics_vec128 v0_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st0, st1); Lib_IntVector_Intrinsics_vec128 v1_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st0, st1); Lib_IntVector_Intrinsics_vec128 v2_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st2, st3); Lib_IntVector_Intrinsics_vec128 v3_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st2, st3); Lib_IntVector_Intrinsics_vec128 v0__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v1__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v2__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v3__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v0__0 = v0__; Lib_IntVector_Intrinsics_vec128 v2__0 = v2__; Lib_IntVector_Intrinsics_vec128 v1__0 = v1__; Lib_IntVector_Intrinsics_vec128 v3__0 = v3__; Lib_IntVector_Intrinsics_vec128 v0 = v0__0; Lib_IntVector_Intrinsics_vec128 v1 = v1__0; Lib_IntVector_Intrinsics_vec128 v2 = v2__0; Lib_IntVector_Intrinsics_vec128 v3 = v3__0; Lib_IntVector_Intrinsics_vec128 v0_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st4, st5); Lib_IntVector_Intrinsics_vec128 v1_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st4, st5); Lib_IntVector_Intrinsics_vec128 v2_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st6, st7); Lib_IntVector_Intrinsics_vec128 v3_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st6, st7); Lib_IntVector_Intrinsics_vec128 v0__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v1__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v2__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v3__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v0__2 = v0__1; Lib_IntVector_Intrinsics_vec128 v2__2 = v2__1; Lib_IntVector_Intrinsics_vec128 v1__2 = v1__1; Lib_IntVector_Intrinsics_vec128 v3__2 = v3__1; Lib_IntVector_Intrinsics_vec128 v4 = v0__2; Lib_IntVector_Intrinsics_vec128 v5 = v1__2; Lib_IntVector_Intrinsics_vec128 v6 = v2__2; Lib_IntVector_Intrinsics_vec128 v7 = v3__2; Lib_IntVector_Intrinsics_vec128 v0_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st8, st9); Lib_IntVector_Intrinsics_vec128 v1_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st8, st9); Lib_IntVector_Intrinsics_vec128 v2_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st10, st11); Lib_IntVector_Intrinsics_vec128 v3_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st10, st11); Lib_IntVector_Intrinsics_vec128 v0__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v1__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v2__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v3__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v0__4 = v0__3; Lib_IntVector_Intrinsics_vec128 v2__4 = v2__3; Lib_IntVector_Intrinsics_vec128 v1__4 = v1__3; Lib_IntVector_Intrinsics_vec128 v3__4 = v3__3; Lib_IntVector_Intrinsics_vec128 v8 = v0__4; Lib_IntVector_Intrinsics_vec128 v9 = v1__4; Lib_IntVector_Intrinsics_vec128 v10 = v2__4; Lib_IntVector_Intrinsics_vec128 v11 = v3__4; Lib_IntVector_Intrinsics_vec128 v0_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st12, st13); Lib_IntVector_Intrinsics_vec128 v1_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st12, st13); Lib_IntVector_Intrinsics_vec128 v2_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st14, st15); Lib_IntVector_Intrinsics_vec128 v3_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st14, st15); Lib_IntVector_Intrinsics_vec128 v0__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v1__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v2__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v3__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v0__6 = v0__5; Lib_IntVector_Intrinsics_vec128 v2__6 = v2__5; Lib_IntVector_Intrinsics_vec128 v1__6 = v1__5; Lib_IntVector_Intrinsics_vec128 v3__6 = v3__5; Lib_IntVector_Intrinsics_vec128 v12 = v0__6; Lib_IntVector_Intrinsics_vec128 v13 = v1__6; Lib_IntVector_Intrinsics_vec128 v14 = v2__6; Lib_IntVector_Intrinsics_vec128 v15 = v3__6; k[0U] = v0; k[1U] = v4; k[2U] = v8; k[3U] = v12; k[4U] = v1; k[5U] = v5; k[6U] = v9; k[7U] = v13; k[8U] = v2; k[9U] = v6; k[10U] = v10; k[11U] = v14; k[12U] = v3; k[13U] = v7; k[14U] = v11; k[15U] = v15; KRML_MAYBE_FOR16(i0, (uint32_t)0U, (uint32_t)16U, (uint32_t)1U, Lib_IntVector_Intrinsics_vec128 x = Lib_IntVector_Intrinsics_vec128_load32_le(uu____1 + i0 * (uint32_t)16U); Lib_IntVector_Intrinsics_vec128 y = Lib_IntVector_Intrinsics_vec128_xor(x, k[i0]); Lib_IntVector_Intrinsics_vec128_store32_le(uu____0 + i0 * (uint32_t)16U, y);); } if (rem1 > (uint32_t)0U) { uint8_t *uu____2 = out + nb * (uint32_t)256U; uint8_t plain[256U] = { 0U }; memcpy(plain, cipher + nb * (uint32_t)256U, rem * sizeof(uint8_t)); KRML_PRE_ALIGN(16) Lib_IntVector_Intrinsics_vec128 k[16U] KRML_POST_ALIGN(16) = { 0U }; chacha20_core_128(k, ctx, nb); Lib_IntVector_Intrinsics_vec128 st0 = k[0U]; Lib_IntVector_Intrinsics_vec128 st1 = k[1U]; Lib_IntVector_Intrinsics_vec128 st2 = k[2U]; Lib_IntVector_Intrinsics_vec128 st3 = k[3U]; Lib_IntVector_Intrinsics_vec128 st4 = k[4U]; Lib_IntVector_Intrinsics_vec128 st5 = k[5U]; Lib_IntVector_Intrinsics_vec128 st6 = k[6U]; Lib_IntVector_Intrinsics_vec128 st7 = k[7U]; Lib_IntVector_Intrinsics_vec128 st8 = k[8U]; Lib_IntVector_Intrinsics_vec128 st9 = k[9U]; Lib_IntVector_Intrinsics_vec128 st10 = k[10U]; Lib_IntVector_Intrinsics_vec128 st11 = k[11U]; Lib_IntVector_Intrinsics_vec128 st12 = k[12U]; Lib_IntVector_Intrinsics_vec128 st13 = k[13U]; Lib_IntVector_Intrinsics_vec128 st14 = k[14U]; Lib_IntVector_Intrinsics_vec128 st15 = k[15U]; Lib_IntVector_Intrinsics_vec128 v0_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st0, st1); Lib_IntVector_Intrinsics_vec128 v1_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st0, st1); Lib_IntVector_Intrinsics_vec128 v2_ = Lib_IntVector_Intrinsics_vec128_interleave_low32(st2, st3); Lib_IntVector_Intrinsics_vec128 v3_ = Lib_IntVector_Intrinsics_vec128_interleave_high32(st2, st3); Lib_IntVector_Intrinsics_vec128 v0__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v1__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_, v2_); Lib_IntVector_Intrinsics_vec128 v2__ = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v3__ = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_, v3_); Lib_IntVector_Intrinsics_vec128 v0__0 = v0__; Lib_IntVector_Intrinsics_vec128 v2__0 = v2__; Lib_IntVector_Intrinsics_vec128 v1__0 = v1__; Lib_IntVector_Intrinsics_vec128 v3__0 = v3__; Lib_IntVector_Intrinsics_vec128 v0 = v0__0; Lib_IntVector_Intrinsics_vec128 v1 = v1__0; Lib_IntVector_Intrinsics_vec128 v2 = v2__0; Lib_IntVector_Intrinsics_vec128 v3 = v3__0; Lib_IntVector_Intrinsics_vec128 v0_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st4, st5); Lib_IntVector_Intrinsics_vec128 v1_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st4, st5); Lib_IntVector_Intrinsics_vec128 v2_0 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st6, st7); Lib_IntVector_Intrinsics_vec128 v3_0 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st6, st7); Lib_IntVector_Intrinsics_vec128 v0__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v1__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_0, v2_0); Lib_IntVector_Intrinsics_vec128 v2__1 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v3__1 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_0, v3_0); Lib_IntVector_Intrinsics_vec128 v0__2 = v0__1; Lib_IntVector_Intrinsics_vec128 v2__2 = v2__1; Lib_IntVector_Intrinsics_vec128 v1__2 = v1__1; Lib_IntVector_Intrinsics_vec128 v3__2 = v3__1; Lib_IntVector_Intrinsics_vec128 v4 = v0__2; Lib_IntVector_Intrinsics_vec128 v5 = v1__2; Lib_IntVector_Intrinsics_vec128 v6 = v2__2; Lib_IntVector_Intrinsics_vec128 v7 = v3__2; Lib_IntVector_Intrinsics_vec128 v0_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st8, st9); Lib_IntVector_Intrinsics_vec128 v1_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st8, st9); Lib_IntVector_Intrinsics_vec128 v2_1 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st10, st11); Lib_IntVector_Intrinsics_vec128 v3_1 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st10, st11); Lib_IntVector_Intrinsics_vec128 v0__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v1__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_1, v2_1); Lib_IntVector_Intrinsics_vec128 v2__3 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v3__3 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_1, v3_1); Lib_IntVector_Intrinsics_vec128 v0__4 = v0__3; Lib_IntVector_Intrinsics_vec128 v2__4 = v2__3; Lib_IntVector_Intrinsics_vec128 v1__4 = v1__3; Lib_IntVector_Intrinsics_vec128 v3__4 = v3__3; Lib_IntVector_Intrinsics_vec128 v8 = v0__4; Lib_IntVector_Intrinsics_vec128 v9 = v1__4; Lib_IntVector_Intrinsics_vec128 v10 = v2__4; Lib_IntVector_Intrinsics_vec128 v11 = v3__4; Lib_IntVector_Intrinsics_vec128 v0_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st12, st13); Lib_IntVector_Intrinsics_vec128 v1_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st12, st13); Lib_IntVector_Intrinsics_vec128 v2_2 = Lib_IntVector_Intrinsics_vec128_interleave_low32(st14, st15); Lib_IntVector_Intrinsics_vec128 v3_2 = Lib_IntVector_Intrinsics_vec128_interleave_high32(st14, st15); Lib_IntVector_Intrinsics_vec128 v0__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v1__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v0_2, v2_2); Lib_IntVector_Intrinsics_vec128 v2__5 = Lib_IntVector_Intrinsics_vec128_interleave_low64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v3__5 = Lib_IntVector_Intrinsics_vec128_interleave_high64(v1_2, v3_2); Lib_IntVector_Intrinsics_vec128 v0__6 = v0__5; Lib_IntVector_Intrinsics_vec128 v2__6 = v2__5; Lib_IntVector_Intrinsics_vec128 v1__6 = v1__5; Lib_IntVector_Intrinsics_vec128 v3__6 = v3__5; Lib_IntVector_Intrinsics_vec128 v12 = v0__6; Lib_IntVector_Intrinsics_vec128 v13 = v1__6; Lib_IntVector_Intrinsics_vec128 v14 = v2__6; Lib_IntVector_Intrinsics_vec128 v15 = v3__6; k[0U] = v0; k[1U] = v4; k[2U] = v8; k[3U] = v12; k[4U] = v1; k[5U] = v5; k[6U] = v9; k[7U] = v13; k[8U] = v2; k[9U] = v6; k[10U] = v10; k[11U] = v14; k[12U] = v3; k[13U] = v7; k[14U] = v11; k[15U] = v15; KRML_MAYBE_FOR16(i, (uint32_t)0U, (uint32_t)16U, (uint32_t)1U, Lib_IntVector_Intrinsics_vec128 x = Lib_IntVector_Intrinsics_vec128_load32_le(plain + i * (uint32_t)16U); Lib_IntVector_Intrinsics_vec128 y = Lib_IntVector_Intrinsics_vec128_xor(x, k[i]); Lib_IntVector_Intrinsics_vec128_store32_le(plain + i * (uint32_t)16U, y);); memcpy(uu____2, plain, rem * sizeof(uint8_t)); } }