diff options
Diffstat (limited to 'security/nss/lib/freebl/verified/Hacl_Chacha20_Vec256.c')
| -rw-r--r-- | security/nss/lib/freebl/verified/Hacl_Chacha20_Vec256.c | 876 |
1 files changed, 876 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/Hacl_Chacha20_Vec256.c b/security/nss/lib/freebl/verified/Hacl_Chacha20_Vec256.c new file mode 100644 index 0000000000..49902c1304 --- /dev/null +++ b/security/nss/lib/freebl/verified/Hacl_Chacha20_Vec256.c @@ -0,0 +1,876 @@ +/* MIT License + * + * Copyright (c) 2016-2020 INRIA, CMU and Microsoft Corporation + * + * 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_Vec256.h" + +static inline void +double_round_256(Lib_IntVector_Intrinsics_vec256 *st) +{ + st[0U] = Lib_IntVector_Intrinsics_vec256_add32(st[0U], st[4U]); + Lib_IntVector_Intrinsics_vec256 std = Lib_IntVector_Intrinsics_vec256_xor(st[12U], st[0U]); + st[12U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std, (uint32_t)16U); + st[8U] = Lib_IntVector_Intrinsics_vec256_add32(st[8U], st[12U]); + Lib_IntVector_Intrinsics_vec256 std0 = Lib_IntVector_Intrinsics_vec256_xor(st[4U], st[8U]); + st[4U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std0, (uint32_t)12U); + st[0U] = Lib_IntVector_Intrinsics_vec256_add32(st[0U], st[4U]); + Lib_IntVector_Intrinsics_vec256 std1 = Lib_IntVector_Intrinsics_vec256_xor(st[12U], st[0U]); + st[12U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std1, (uint32_t)8U); + st[8U] = Lib_IntVector_Intrinsics_vec256_add32(st[8U], st[12U]); + Lib_IntVector_Intrinsics_vec256 std2 = Lib_IntVector_Intrinsics_vec256_xor(st[4U], st[8U]); + st[4U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std2, (uint32_t)7U); + st[1U] = Lib_IntVector_Intrinsics_vec256_add32(st[1U], st[5U]); + Lib_IntVector_Intrinsics_vec256 std3 = Lib_IntVector_Intrinsics_vec256_xor(st[13U], st[1U]); + st[13U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std3, (uint32_t)16U); + st[9U] = Lib_IntVector_Intrinsics_vec256_add32(st[9U], st[13U]); + Lib_IntVector_Intrinsics_vec256 std4 = Lib_IntVector_Intrinsics_vec256_xor(st[5U], st[9U]); + st[5U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std4, (uint32_t)12U); + st[1U] = Lib_IntVector_Intrinsics_vec256_add32(st[1U], st[5U]); + Lib_IntVector_Intrinsics_vec256 std5 = Lib_IntVector_Intrinsics_vec256_xor(st[13U], st[1U]); + st[13U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std5, (uint32_t)8U); + st[9U] = Lib_IntVector_Intrinsics_vec256_add32(st[9U], st[13U]); + Lib_IntVector_Intrinsics_vec256 std6 = Lib_IntVector_Intrinsics_vec256_xor(st[5U], st[9U]); + st[5U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std6, (uint32_t)7U); + st[2U] = Lib_IntVector_Intrinsics_vec256_add32(st[2U], st[6U]); + Lib_IntVector_Intrinsics_vec256 std7 = Lib_IntVector_Intrinsics_vec256_xor(st[14U], st[2U]); + st[14U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std7, (uint32_t)16U); + st[10U] = Lib_IntVector_Intrinsics_vec256_add32(st[10U], st[14U]); + Lib_IntVector_Intrinsics_vec256 std8 = Lib_IntVector_Intrinsics_vec256_xor(st[6U], st[10U]); + st[6U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std8, (uint32_t)12U); + st[2U] = Lib_IntVector_Intrinsics_vec256_add32(st[2U], st[6U]); + Lib_IntVector_Intrinsics_vec256 std9 = Lib_IntVector_Intrinsics_vec256_xor(st[14U], st[2U]); + st[14U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std9, (uint32_t)8U); + st[10U] = Lib_IntVector_Intrinsics_vec256_add32(st[10U], st[14U]); + Lib_IntVector_Intrinsics_vec256 std10 = Lib_IntVector_Intrinsics_vec256_xor(st[6U], st[10U]); + st[6U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std10, (uint32_t)7U); + st[3U] = Lib_IntVector_Intrinsics_vec256_add32(st[3U], st[7U]); + Lib_IntVector_Intrinsics_vec256 std11 = Lib_IntVector_Intrinsics_vec256_xor(st[15U], st[3U]); + st[15U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std11, (uint32_t)16U); + st[11U] = Lib_IntVector_Intrinsics_vec256_add32(st[11U], st[15U]); + Lib_IntVector_Intrinsics_vec256 std12 = Lib_IntVector_Intrinsics_vec256_xor(st[7U], st[11U]); + st[7U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std12, (uint32_t)12U); + st[3U] = Lib_IntVector_Intrinsics_vec256_add32(st[3U], st[7U]); + Lib_IntVector_Intrinsics_vec256 std13 = Lib_IntVector_Intrinsics_vec256_xor(st[15U], st[3U]); + st[15U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std13, (uint32_t)8U); + st[11U] = Lib_IntVector_Intrinsics_vec256_add32(st[11U], st[15U]); + Lib_IntVector_Intrinsics_vec256 std14 = Lib_IntVector_Intrinsics_vec256_xor(st[7U], st[11U]); + st[7U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std14, (uint32_t)7U); + st[0U] = Lib_IntVector_Intrinsics_vec256_add32(st[0U], st[5U]); + Lib_IntVector_Intrinsics_vec256 std15 = Lib_IntVector_Intrinsics_vec256_xor(st[15U], st[0U]); + st[15U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std15, (uint32_t)16U); + st[10U] = Lib_IntVector_Intrinsics_vec256_add32(st[10U], st[15U]); + Lib_IntVector_Intrinsics_vec256 std16 = Lib_IntVector_Intrinsics_vec256_xor(st[5U], st[10U]); + st[5U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std16, (uint32_t)12U); + st[0U] = Lib_IntVector_Intrinsics_vec256_add32(st[0U], st[5U]); + Lib_IntVector_Intrinsics_vec256 std17 = Lib_IntVector_Intrinsics_vec256_xor(st[15U], st[0U]); + st[15U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std17, (uint32_t)8U); + st[10U] = Lib_IntVector_Intrinsics_vec256_add32(st[10U], st[15U]); + Lib_IntVector_Intrinsics_vec256 std18 = Lib_IntVector_Intrinsics_vec256_xor(st[5U], st[10U]); + st[5U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std18, (uint32_t)7U); + st[1U] = Lib_IntVector_Intrinsics_vec256_add32(st[1U], st[6U]); + Lib_IntVector_Intrinsics_vec256 std19 = Lib_IntVector_Intrinsics_vec256_xor(st[12U], st[1U]); + st[12U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std19, (uint32_t)16U); + st[11U] = Lib_IntVector_Intrinsics_vec256_add32(st[11U], st[12U]); + Lib_IntVector_Intrinsics_vec256 std20 = Lib_IntVector_Intrinsics_vec256_xor(st[6U], st[11U]); + st[6U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std20, (uint32_t)12U); + st[1U] = Lib_IntVector_Intrinsics_vec256_add32(st[1U], st[6U]); + Lib_IntVector_Intrinsics_vec256 std21 = Lib_IntVector_Intrinsics_vec256_xor(st[12U], st[1U]); + st[12U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std21, (uint32_t)8U); + st[11U] = Lib_IntVector_Intrinsics_vec256_add32(st[11U], st[12U]); + Lib_IntVector_Intrinsics_vec256 std22 = Lib_IntVector_Intrinsics_vec256_xor(st[6U], st[11U]); + st[6U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std22, (uint32_t)7U); + st[2U] = Lib_IntVector_Intrinsics_vec256_add32(st[2U], st[7U]); + Lib_IntVector_Intrinsics_vec256 std23 = Lib_IntVector_Intrinsics_vec256_xor(st[13U], st[2U]); + st[13U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std23, (uint32_t)16U); + st[8U] = Lib_IntVector_Intrinsics_vec256_add32(st[8U], st[13U]); + Lib_IntVector_Intrinsics_vec256 std24 = Lib_IntVector_Intrinsics_vec256_xor(st[7U], st[8U]); + st[7U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std24, (uint32_t)12U); + st[2U] = Lib_IntVector_Intrinsics_vec256_add32(st[2U], st[7U]); + Lib_IntVector_Intrinsics_vec256 std25 = Lib_IntVector_Intrinsics_vec256_xor(st[13U], st[2U]); + st[13U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std25, (uint32_t)8U); + st[8U] = Lib_IntVector_Intrinsics_vec256_add32(st[8U], st[13U]); + Lib_IntVector_Intrinsics_vec256 std26 = Lib_IntVector_Intrinsics_vec256_xor(st[7U], st[8U]); + st[7U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std26, (uint32_t)7U); + st[3U] = Lib_IntVector_Intrinsics_vec256_add32(st[3U], st[4U]); + Lib_IntVector_Intrinsics_vec256 std27 = Lib_IntVector_Intrinsics_vec256_xor(st[14U], st[3U]); + st[14U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std27, (uint32_t)16U); + st[9U] = Lib_IntVector_Intrinsics_vec256_add32(st[9U], st[14U]); + Lib_IntVector_Intrinsics_vec256 std28 = Lib_IntVector_Intrinsics_vec256_xor(st[4U], st[9U]); + st[4U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std28, (uint32_t)12U); + st[3U] = Lib_IntVector_Intrinsics_vec256_add32(st[3U], st[4U]); + Lib_IntVector_Intrinsics_vec256 std29 = Lib_IntVector_Intrinsics_vec256_xor(st[14U], st[3U]); + st[14U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std29, (uint32_t)8U); + st[9U] = Lib_IntVector_Intrinsics_vec256_add32(st[9U], st[14U]); + Lib_IntVector_Intrinsics_vec256 std30 = Lib_IntVector_Intrinsics_vec256_xor(st[4U], st[9U]); + st[4U] = Lib_IntVector_Intrinsics_vec256_rotate_left32(std30, (uint32_t)7U); +} + +static inline void +chacha20_core_256( + Lib_IntVector_Intrinsics_vec256 *k, + Lib_IntVector_Intrinsics_vec256 *ctx, + uint32_t ctr) +{ + memcpy(k, ctx, (uint32_t)16U * sizeof(ctx[0U])); + uint32_t ctr_u32 = (uint32_t)8U * ctr; + Lib_IntVector_Intrinsics_vec256 cv = Lib_IntVector_Intrinsics_vec256_load32(ctr_u32); + k[12U] = Lib_IntVector_Intrinsics_vec256_add32(k[12U], cv); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + double_round_256(k); + for (uint32_t i = (uint32_t)0U; i < (uint32_t)16U; i++) { + Lib_IntVector_Intrinsics_vec256 *os = k; + Lib_IntVector_Intrinsics_vec256 x = Lib_IntVector_Intrinsics_vec256_add32(k[i], ctx[i]); + os[i] = x; + } + k[12U] = Lib_IntVector_Intrinsics_vec256_add32(k[12U], cv); +} + +static inline void +chacha20_init_256(Lib_IntVector_Intrinsics_vec256 *ctx, uint8_t *k, uint8_t *n, uint32_t ctr) +{ + uint32_t ctx1[16U] = { 0U }; + uint32_t *uu____0 = ctx1; + for (uint32_t i = (uint32_t)0U; i < (uint32_t)4U; i++) { + uint32_t *os = uu____0; + uint32_t x = Hacl_Impl_Chacha20_Vec_chacha20_constants[i]; + os[i] = x; + } + uint32_t *uu____1 = ctx1 + (uint32_t)4U; + for (uint32_t i = (uint32_t)0U; i < (uint32_t)8U; i++) { + uint32_t *os = uu____1; + 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; + uint32_t *uu____2 = ctx1 + (uint32_t)13U; + for (uint32_t i = (uint32_t)0U; i < (uint32_t)3U; i++) { + uint32_t *os = uu____2; + 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; + } + for (uint32_t i = (uint32_t)0U; i < (uint32_t)16U; i++) { + Lib_IntVector_Intrinsics_vec256 *os = ctx; + uint32_t x = ctx1[i]; + Lib_IntVector_Intrinsics_vec256 x0 = Lib_IntVector_Intrinsics_vec256_load32(x); + os[i] = x0; + } + Lib_IntVector_Intrinsics_vec256 + ctr1 = + Lib_IntVector_Intrinsics_vec256_load32s((uint32_t)0U, + (uint32_t)1U, + (uint32_t)2U, + (uint32_t)3U, + (uint32_t)4U, + (uint32_t)5U, + (uint32_t)6U, + (uint32_t)7U); + Lib_IntVector_Intrinsics_vec256 c12 = ctx[12U]; + ctx[12U] = Lib_IntVector_Intrinsics_vec256_add32(c12, ctr1); +} + +void +Hacl_Chacha20_Vec256_chacha20_encrypt_256( + uint32_t len, + uint8_t *out, + uint8_t *text, + uint8_t *key, + uint8_t *n, + uint32_t ctr) +{ + Lib_IntVector_Intrinsics_vec256 ctx[16U]; + for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) + ctx[_i] = Lib_IntVector_Intrinsics_vec256_zero; + chacha20_init_256(ctx, key, n, ctr); + uint32_t rem = len % (uint32_t)512U; + uint32_t nb = len / (uint32_t)512U; + uint32_t rem1 = len % (uint32_t)512U; + for (uint32_t i = (uint32_t)0U; i < nb; i++) { + uint8_t *uu____0 = out + i * (uint32_t)512U; + uint8_t *uu____1 = text + i * (uint32_t)512U; + Lib_IntVector_Intrinsics_vec256 k[16U]; + for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) + k[_i] = Lib_IntVector_Intrinsics_vec256_zero; + chacha20_core_256(k, ctx, i); + Lib_IntVector_Intrinsics_vec256 v00 = k[0U]; + Lib_IntVector_Intrinsics_vec256 v16 = k[1U]; + Lib_IntVector_Intrinsics_vec256 v20 = k[2U]; + Lib_IntVector_Intrinsics_vec256 v30 = k[3U]; + Lib_IntVector_Intrinsics_vec256 v40 = k[4U]; + Lib_IntVector_Intrinsics_vec256 v50 = k[5U]; + Lib_IntVector_Intrinsics_vec256 v60 = k[6U]; + Lib_IntVector_Intrinsics_vec256 v70 = k[7U]; + Lib_IntVector_Intrinsics_vec256 + v0_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v1_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v2_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v3_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v4_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v5_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v6_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v7_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v0__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v1__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v2__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v3__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v4__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v5__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v6__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v7__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v0___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v1___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v2___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v3___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v4___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v5___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v6___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 + v7___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 v0 = v0___; + Lib_IntVector_Intrinsics_vec256 v1 = v2___; + Lib_IntVector_Intrinsics_vec256 v2 = v4___; + Lib_IntVector_Intrinsics_vec256 v3 = v6___; + Lib_IntVector_Intrinsics_vec256 v4 = v1___; + Lib_IntVector_Intrinsics_vec256 v5 = v3___; + Lib_IntVector_Intrinsics_vec256 v6 = v5___; + Lib_IntVector_Intrinsics_vec256 v7 = v7___; + Lib_IntVector_Intrinsics_vec256 v01 = k[8U]; + Lib_IntVector_Intrinsics_vec256 v110 = k[9U]; + Lib_IntVector_Intrinsics_vec256 v21 = k[10U]; + Lib_IntVector_Intrinsics_vec256 v31 = k[11U]; + Lib_IntVector_Intrinsics_vec256 v41 = k[12U]; + Lib_IntVector_Intrinsics_vec256 v51 = k[13U]; + Lib_IntVector_Intrinsics_vec256 v61 = k[14U]; + Lib_IntVector_Intrinsics_vec256 v71 = k[15U]; + Lib_IntVector_Intrinsics_vec256 + v0_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v1_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v2_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v3_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v4_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v5_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v6_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v7_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v0__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v1__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v2__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v3__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v4__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v5__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v6__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v7__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v0___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v1___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v2___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v3___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v4___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v5___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v6___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 + v7___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 v8 = v0___0; + Lib_IntVector_Intrinsics_vec256 v9 = v2___0; + Lib_IntVector_Intrinsics_vec256 v10 = v4___0; + Lib_IntVector_Intrinsics_vec256 v11 = v6___0; + Lib_IntVector_Intrinsics_vec256 v12 = v1___0; + Lib_IntVector_Intrinsics_vec256 v13 = v3___0; + Lib_IntVector_Intrinsics_vec256 v14 = v5___0; + Lib_IntVector_Intrinsics_vec256 v15 = v7___0; + k[0U] = v0; + k[1U] = v8; + k[2U] = v1; + k[3U] = v9; + k[4U] = v2; + k[5U] = v10; + k[6U] = v3; + k[7U] = v11; + k[8U] = v4; + k[9U] = v12; + k[10U] = v5; + k[11U] = v13; + k[12U] = v6; + k[13U] = v14; + k[14U] = v7; + k[15U] = v15; + for (uint32_t i0 = (uint32_t)0U; i0 < (uint32_t)16U; i0++) { + Lib_IntVector_Intrinsics_vec256 + x = Lib_IntVector_Intrinsics_vec256_load_le(uu____1 + i0 * (uint32_t)32U); + Lib_IntVector_Intrinsics_vec256 y = Lib_IntVector_Intrinsics_vec256_xor(x, k[i0]); + Lib_IntVector_Intrinsics_vec256_store_le(uu____0 + i0 * (uint32_t)32U, y); + } + } + if (rem1 > (uint32_t)0U) { + uint8_t *uu____2 = out + nb * (uint32_t)512U; + uint8_t *uu____3 = text + nb * (uint32_t)512U; + uint8_t plain[512U] = { 0U }; + memcpy(plain, uu____3, rem * sizeof(uu____3[0U])); + Lib_IntVector_Intrinsics_vec256 k[16U]; + for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) + k[_i] = Lib_IntVector_Intrinsics_vec256_zero; + chacha20_core_256(k, ctx, nb); + Lib_IntVector_Intrinsics_vec256 v00 = k[0U]; + Lib_IntVector_Intrinsics_vec256 v16 = k[1U]; + Lib_IntVector_Intrinsics_vec256 v20 = k[2U]; + Lib_IntVector_Intrinsics_vec256 v30 = k[3U]; + Lib_IntVector_Intrinsics_vec256 v40 = k[4U]; + Lib_IntVector_Intrinsics_vec256 v50 = k[5U]; + Lib_IntVector_Intrinsics_vec256 v60 = k[6U]; + Lib_IntVector_Intrinsics_vec256 v70 = k[7U]; + Lib_IntVector_Intrinsics_vec256 + v0_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v1_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v2_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v3_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v4_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v5_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v6_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v7_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v0__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v1__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v2__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v3__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v4__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v5__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v6__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v7__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v0___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v1___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v2___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v3___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v4___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v5___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v6___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 + v7___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 v0 = v0___; + Lib_IntVector_Intrinsics_vec256 v1 = v2___; + Lib_IntVector_Intrinsics_vec256 v2 = v4___; + Lib_IntVector_Intrinsics_vec256 v3 = v6___; + Lib_IntVector_Intrinsics_vec256 v4 = v1___; + Lib_IntVector_Intrinsics_vec256 v5 = v3___; + Lib_IntVector_Intrinsics_vec256 v6 = v5___; + Lib_IntVector_Intrinsics_vec256 v7 = v7___; + Lib_IntVector_Intrinsics_vec256 v01 = k[8U]; + Lib_IntVector_Intrinsics_vec256 v110 = k[9U]; + Lib_IntVector_Intrinsics_vec256 v21 = k[10U]; + Lib_IntVector_Intrinsics_vec256 v31 = k[11U]; + Lib_IntVector_Intrinsics_vec256 v41 = k[12U]; + Lib_IntVector_Intrinsics_vec256 v51 = k[13U]; + Lib_IntVector_Intrinsics_vec256 v61 = k[14U]; + Lib_IntVector_Intrinsics_vec256 v71 = k[15U]; + Lib_IntVector_Intrinsics_vec256 + v0_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v1_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v2_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v3_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v4_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v5_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v6_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v7_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v0__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v1__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v2__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v3__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v4__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v5__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v6__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v7__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v0___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v1___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v2___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v3___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v4___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v5___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v6___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 + v7___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 v8 = v0___0; + Lib_IntVector_Intrinsics_vec256 v9 = v2___0; + Lib_IntVector_Intrinsics_vec256 v10 = v4___0; + Lib_IntVector_Intrinsics_vec256 v11 = v6___0; + Lib_IntVector_Intrinsics_vec256 v12 = v1___0; + Lib_IntVector_Intrinsics_vec256 v13 = v3___0; + Lib_IntVector_Intrinsics_vec256 v14 = v5___0; + Lib_IntVector_Intrinsics_vec256 v15 = v7___0; + k[0U] = v0; + k[1U] = v8; + k[2U] = v1; + k[3U] = v9; + k[4U] = v2; + k[5U] = v10; + k[6U] = v3; + k[7U] = v11; + k[8U] = v4; + k[9U] = v12; + k[10U] = v5; + k[11U] = v13; + k[12U] = v6; + k[13U] = v14; + k[14U] = v7; + k[15U] = v15; + for (uint32_t i = (uint32_t)0U; i < (uint32_t)16U; i++) { + Lib_IntVector_Intrinsics_vec256 + x = Lib_IntVector_Intrinsics_vec256_load_le(plain + i * (uint32_t)32U); + Lib_IntVector_Intrinsics_vec256 y = Lib_IntVector_Intrinsics_vec256_xor(x, k[i]); + Lib_IntVector_Intrinsics_vec256_store_le(plain + i * (uint32_t)32U, y); + } + memcpy(uu____2, plain, rem * sizeof(plain[0U])); + } +} + +void +Hacl_Chacha20_Vec256_chacha20_decrypt_256( + uint32_t len, + uint8_t *out, + uint8_t *cipher, + uint8_t *key, + uint8_t *n, + uint32_t ctr) +{ + Lib_IntVector_Intrinsics_vec256 ctx[16U]; + for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) + ctx[_i] = Lib_IntVector_Intrinsics_vec256_zero; + chacha20_init_256(ctx, key, n, ctr); + uint32_t rem = len % (uint32_t)512U; + uint32_t nb = len / (uint32_t)512U; + uint32_t rem1 = len % (uint32_t)512U; + for (uint32_t i = (uint32_t)0U; i < nb; i++) { + uint8_t *uu____0 = out + i * (uint32_t)512U; + uint8_t *uu____1 = cipher + i * (uint32_t)512U; + Lib_IntVector_Intrinsics_vec256 k[16U]; + for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) + k[_i] = Lib_IntVector_Intrinsics_vec256_zero; + chacha20_core_256(k, ctx, i); + Lib_IntVector_Intrinsics_vec256 v00 = k[0U]; + Lib_IntVector_Intrinsics_vec256 v16 = k[1U]; + Lib_IntVector_Intrinsics_vec256 v20 = k[2U]; + Lib_IntVector_Intrinsics_vec256 v30 = k[3U]; + Lib_IntVector_Intrinsics_vec256 v40 = k[4U]; + Lib_IntVector_Intrinsics_vec256 v50 = k[5U]; + Lib_IntVector_Intrinsics_vec256 v60 = k[6U]; + Lib_IntVector_Intrinsics_vec256 v70 = k[7U]; + Lib_IntVector_Intrinsics_vec256 + v0_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v1_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v2_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v3_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v4_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v5_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v6_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v7_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v0__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v1__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v2__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v3__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v4__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v5__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v6__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v7__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v0___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v1___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v2___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v3___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v4___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v5___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v6___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 + v7___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 v0 = v0___; + Lib_IntVector_Intrinsics_vec256 v1 = v2___; + Lib_IntVector_Intrinsics_vec256 v2 = v4___; + Lib_IntVector_Intrinsics_vec256 v3 = v6___; + Lib_IntVector_Intrinsics_vec256 v4 = v1___; + Lib_IntVector_Intrinsics_vec256 v5 = v3___; + Lib_IntVector_Intrinsics_vec256 v6 = v5___; + Lib_IntVector_Intrinsics_vec256 v7 = v7___; + Lib_IntVector_Intrinsics_vec256 v01 = k[8U]; + Lib_IntVector_Intrinsics_vec256 v110 = k[9U]; + Lib_IntVector_Intrinsics_vec256 v21 = k[10U]; + Lib_IntVector_Intrinsics_vec256 v31 = k[11U]; + Lib_IntVector_Intrinsics_vec256 v41 = k[12U]; + Lib_IntVector_Intrinsics_vec256 v51 = k[13U]; + Lib_IntVector_Intrinsics_vec256 v61 = k[14U]; + Lib_IntVector_Intrinsics_vec256 v71 = k[15U]; + Lib_IntVector_Intrinsics_vec256 + v0_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v1_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v2_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v3_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v4_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v5_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v6_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v7_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v0__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v1__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v2__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v3__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v4__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v5__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v6__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v7__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v0___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v1___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v2___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v3___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v4___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v5___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v6___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 + v7___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 v8 = v0___0; + Lib_IntVector_Intrinsics_vec256 v9 = v2___0; + Lib_IntVector_Intrinsics_vec256 v10 = v4___0; + Lib_IntVector_Intrinsics_vec256 v11 = v6___0; + Lib_IntVector_Intrinsics_vec256 v12 = v1___0; + Lib_IntVector_Intrinsics_vec256 v13 = v3___0; + Lib_IntVector_Intrinsics_vec256 v14 = v5___0; + Lib_IntVector_Intrinsics_vec256 v15 = v7___0; + k[0U] = v0; + k[1U] = v8; + k[2U] = v1; + k[3U] = v9; + k[4U] = v2; + k[5U] = v10; + k[6U] = v3; + k[7U] = v11; + k[8U] = v4; + k[9U] = v12; + k[10U] = v5; + k[11U] = v13; + k[12U] = v6; + k[13U] = v14; + k[14U] = v7; + k[15U] = v15; + for (uint32_t i0 = (uint32_t)0U; i0 < (uint32_t)16U; i0++) { + Lib_IntVector_Intrinsics_vec256 + x = Lib_IntVector_Intrinsics_vec256_load_le(uu____1 + i0 * (uint32_t)32U); + Lib_IntVector_Intrinsics_vec256 y = Lib_IntVector_Intrinsics_vec256_xor(x, k[i0]); + Lib_IntVector_Intrinsics_vec256_store_le(uu____0 + i0 * (uint32_t)32U, y); + } + } + if (rem1 > (uint32_t)0U) { + uint8_t *uu____2 = out + nb * (uint32_t)512U; + uint8_t *uu____3 = cipher + nb * (uint32_t)512U; + uint8_t plain[512U] = { 0U }; + memcpy(plain, uu____3, rem * sizeof(uu____3[0U])); + Lib_IntVector_Intrinsics_vec256 k[16U]; + for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) + k[_i] = Lib_IntVector_Intrinsics_vec256_zero; + chacha20_core_256(k, ctx, nb); + Lib_IntVector_Intrinsics_vec256 v00 = k[0U]; + Lib_IntVector_Intrinsics_vec256 v16 = k[1U]; + Lib_IntVector_Intrinsics_vec256 v20 = k[2U]; + Lib_IntVector_Intrinsics_vec256 v30 = k[3U]; + Lib_IntVector_Intrinsics_vec256 v40 = k[4U]; + Lib_IntVector_Intrinsics_vec256 v50 = k[5U]; + Lib_IntVector_Intrinsics_vec256 v60 = k[6U]; + Lib_IntVector_Intrinsics_vec256 v70 = k[7U]; + Lib_IntVector_Intrinsics_vec256 + v0_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v1_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v00, v16); + Lib_IntVector_Intrinsics_vec256 + v2_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v3_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v20, v30); + Lib_IntVector_Intrinsics_vec256 + v4_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v5_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v40, v50); + Lib_IntVector_Intrinsics_vec256 + v6_ = Lib_IntVector_Intrinsics_vec256_interleave_low32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v7_ = Lib_IntVector_Intrinsics_vec256_interleave_high32(v60, v70); + Lib_IntVector_Intrinsics_vec256 + v0__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v1__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_, v2_); + Lib_IntVector_Intrinsics_vec256 + v2__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v3__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_, v3_); + Lib_IntVector_Intrinsics_vec256 + v4__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v5__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_, v6_); + Lib_IntVector_Intrinsics_vec256 + v6__ = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v7__ = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_, v7_); + Lib_IntVector_Intrinsics_vec256 + v0___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v1___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__, v4__); + Lib_IntVector_Intrinsics_vec256 + v2___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v3___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__, v5__); + Lib_IntVector_Intrinsics_vec256 + v4___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v5___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__, v6__); + Lib_IntVector_Intrinsics_vec256 + v6___ = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 + v7___ = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__, v7__); + Lib_IntVector_Intrinsics_vec256 v0 = v0___; + Lib_IntVector_Intrinsics_vec256 v1 = v2___; + Lib_IntVector_Intrinsics_vec256 v2 = v4___; + Lib_IntVector_Intrinsics_vec256 v3 = v6___; + Lib_IntVector_Intrinsics_vec256 v4 = v1___; + Lib_IntVector_Intrinsics_vec256 v5 = v3___; + Lib_IntVector_Intrinsics_vec256 v6 = v5___; + Lib_IntVector_Intrinsics_vec256 v7 = v7___; + Lib_IntVector_Intrinsics_vec256 v01 = k[8U]; + Lib_IntVector_Intrinsics_vec256 v110 = k[9U]; + Lib_IntVector_Intrinsics_vec256 v21 = k[10U]; + Lib_IntVector_Intrinsics_vec256 v31 = k[11U]; + Lib_IntVector_Intrinsics_vec256 v41 = k[12U]; + Lib_IntVector_Intrinsics_vec256 v51 = k[13U]; + Lib_IntVector_Intrinsics_vec256 v61 = k[14U]; + Lib_IntVector_Intrinsics_vec256 v71 = k[15U]; + Lib_IntVector_Intrinsics_vec256 + v0_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v1_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v01, v110); + Lib_IntVector_Intrinsics_vec256 + v2_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v3_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v21, v31); + Lib_IntVector_Intrinsics_vec256 + v4_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v5_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v41, v51); + Lib_IntVector_Intrinsics_vec256 + v6_0 = Lib_IntVector_Intrinsics_vec256_interleave_low32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v7_0 = Lib_IntVector_Intrinsics_vec256_interleave_high32(v61, v71); + Lib_IntVector_Intrinsics_vec256 + v0__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v1__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v0_0, v2_0); + Lib_IntVector_Intrinsics_vec256 + v2__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v3__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v1_0, v3_0); + Lib_IntVector_Intrinsics_vec256 + v4__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v5__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v4_0, v6_0); + Lib_IntVector_Intrinsics_vec256 + v6__0 = Lib_IntVector_Intrinsics_vec256_interleave_low64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v7__0 = Lib_IntVector_Intrinsics_vec256_interleave_high64(v5_0, v7_0); + Lib_IntVector_Intrinsics_vec256 + v0___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v1___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v0__0, v4__0); + Lib_IntVector_Intrinsics_vec256 + v2___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v3___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v1__0, v5__0); + Lib_IntVector_Intrinsics_vec256 + v4___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v5___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v2__0, v6__0); + Lib_IntVector_Intrinsics_vec256 + v6___0 = Lib_IntVector_Intrinsics_vec256_interleave_low128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 + v7___0 = Lib_IntVector_Intrinsics_vec256_interleave_high128(v3__0, v7__0); + Lib_IntVector_Intrinsics_vec256 v8 = v0___0; + Lib_IntVector_Intrinsics_vec256 v9 = v2___0; + Lib_IntVector_Intrinsics_vec256 v10 = v4___0; + Lib_IntVector_Intrinsics_vec256 v11 = v6___0; + Lib_IntVector_Intrinsics_vec256 v12 = v1___0; + Lib_IntVector_Intrinsics_vec256 v13 = v3___0; + Lib_IntVector_Intrinsics_vec256 v14 = v5___0; + Lib_IntVector_Intrinsics_vec256 v15 = v7___0; + k[0U] = v0; + k[1U] = v8; + k[2U] = v1; + k[3U] = v9; + k[4U] = v2; + k[5U] = v10; + k[6U] = v3; + k[7U] = v11; + k[8U] = v4; + k[9U] = v12; + k[10U] = v5; + k[11U] = v13; + k[12U] = v6; + k[13U] = v14; + k[14U] = v7; + k[15U] = v15; + for (uint32_t i = (uint32_t)0U; i < (uint32_t)16U; i++) { + Lib_IntVector_Intrinsics_vec256 + x = Lib_IntVector_Intrinsics_vec256_load_le(plain + i * (uint32_t)32U); + Lib_IntVector_Intrinsics_vec256 y = Lib_IntVector_Intrinsics_vec256_xor(x, k[i]); + Lib_IntVector_Intrinsics_vec256_store_le(plain + i * (uint32_t)32U, y); + } + memcpy(uu____2, plain, rem * sizeof(plain[0U])); + } +} |