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Diffstat (limited to '')
-rw-r--r-- | security/nss/lib/freebl/verified/internal/Hacl_Bignum_Base.h | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/internal/Hacl_Bignum_Base.h b/security/nss/lib/freebl/verified/internal/Hacl_Bignum_Base.h new file mode 100644 index 0000000000..a6e4fe63f0 --- /dev/null +++ b/security/nss/lib/freebl/verified/internal/Hacl_Bignum_Base.h @@ -0,0 +1,444 @@ +/* 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. + */ + +#ifndef __internal_Hacl_Bignum_Base_H +#define __internal_Hacl_Bignum_Base_H + +#if defined(__cplusplus) +extern "C" { +#endif + +#include <string.h> +#include "krml/internal/types.h" +#include "krml/internal/builtin.h" +#include "krml/lowstar_endianness.h" +#include "krml/internal/target.h" + +#include "internal/Hacl_Krmllib.h" +#include "Hacl_Krmllib.h" +#include "lib_intrinsics.h" + +static inline uint32_t +Hacl_Bignum_Base_mul_wide_add2_u32(uint32_t a, uint32_t b, uint32_t c_in, uint32_t *out) +{ + uint32_t out0 = out[0U]; + uint64_t res = (uint64_t)a * (uint64_t)b + (uint64_t)c_in + (uint64_t)out0; + out[0U] = (uint32_t)res; + return (uint32_t)(res >> (uint32_t)32U); +} + +static inline uint64_t +Hacl_Bignum_Base_mul_wide_add2_u64(uint64_t a, uint64_t b, uint64_t c_in, uint64_t *out) +{ + uint64_t out0 = out[0U]; + FStar_UInt128_uint128 + res = + FStar_UInt128_add(FStar_UInt128_add(FStar_UInt128_mul_wide(a, b), + FStar_UInt128_uint64_to_uint128(c_in)), + FStar_UInt128_uint64_to_uint128(out0)); + out[0U] = FStar_UInt128_uint128_to_uint64(res); + return FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(res, (uint32_t)64U)); +} + +static inline void +Hacl_Bignum_Convert_bn_from_bytes_be_uint64(uint32_t len, uint8_t *b, uint64_t *res) +{ + uint32_t bnLen = (len - (uint32_t)1U) / (uint32_t)8U + (uint32_t)1U; + uint32_t tmpLen = (uint32_t)8U * bnLen; + KRML_CHECK_SIZE(sizeof(uint8_t), tmpLen); + uint8_t *tmp = (uint8_t *)alloca(tmpLen * sizeof(uint8_t)); + memset(tmp, 0U, tmpLen * sizeof(uint8_t)); + memcpy(tmp + tmpLen - len, b, len * sizeof(uint8_t)); + for (uint32_t i = (uint32_t)0U; i < bnLen; i++) { + uint64_t *os = res; + uint64_t u = load64_be(tmp + (bnLen - i - (uint32_t)1U) * (uint32_t)8U); + uint64_t x = u; + os[i] = x; + } +} + +static inline void +Hacl_Bignum_Convert_bn_to_bytes_be_uint64(uint32_t len, uint64_t *b, uint8_t *res) +{ + uint32_t bnLen = (len - (uint32_t)1U) / (uint32_t)8U + (uint32_t)1U; + uint32_t tmpLen = (uint32_t)8U * bnLen; + KRML_CHECK_SIZE(sizeof(uint8_t), tmpLen); + uint8_t *tmp = (uint8_t *)alloca(tmpLen * sizeof(uint8_t)); + memset(tmp, 0U, tmpLen * sizeof(uint8_t)); + for (uint32_t i = (uint32_t)0U; i < bnLen; i++) { + store64_be(tmp + i * (uint32_t)8U, b[bnLen - i - (uint32_t)1U]); + } + memcpy(res, tmp + tmpLen - len, len * sizeof(uint8_t)); +} + +static inline uint32_t +Hacl_Bignum_Lib_bn_get_top_index_u32(uint32_t len, uint32_t *b) +{ + uint32_t priv = (uint32_t)0U; + for (uint32_t i = (uint32_t)0U; i < len; i++) { + uint32_t mask = FStar_UInt32_eq_mask(b[i], (uint32_t)0U); + priv = (mask & priv) | (~mask & i); + } + return priv; +} + +static inline uint64_t +Hacl_Bignum_Lib_bn_get_top_index_u64(uint32_t len, uint64_t *b) +{ + uint64_t priv = (uint64_t)0U; + for (uint32_t i = (uint32_t)0U; i < len; i++) { + uint64_t mask = FStar_UInt64_eq_mask(b[i], (uint64_t)0U); + priv = (mask & priv) | (~mask & (uint64_t)i); + } + return priv; +} + +static inline uint32_t +Hacl_Bignum_Lib_bn_get_bits_u32(uint32_t len, uint32_t *b, uint32_t i, uint32_t l) +{ + uint32_t i1 = i / (uint32_t)32U; + uint32_t j = i % (uint32_t)32U; + uint32_t p1 = b[i1] >> j; + uint32_t ite; + if (i1 + (uint32_t)1U < len && (uint32_t)0U < j) { + ite = p1 | b[i1 + (uint32_t)1U] << ((uint32_t)32U - j); + } else { + ite = p1; + } + return ite & (((uint32_t)1U << l) - (uint32_t)1U); +} + +static inline uint64_t +Hacl_Bignum_Lib_bn_get_bits_u64(uint32_t len, uint64_t *b, uint32_t i, uint32_t l) +{ + uint32_t i1 = i / (uint32_t)64U; + uint32_t j = i % (uint32_t)64U; + uint64_t p1 = b[i1] >> j; + uint64_t ite; + if (i1 + (uint32_t)1U < len && (uint32_t)0U < j) { + ite = p1 | b[i1 + (uint32_t)1U] << ((uint32_t)64U - j); + } else { + ite = p1; + } + return ite & (((uint64_t)1U << l) - (uint64_t)1U); +} + +static inline uint32_t +Hacl_Bignum_Addition_bn_sub_eq_len_u32(uint32_t aLen, uint32_t *a, uint32_t *b, uint32_t *res) +{ + uint32_t c = (uint32_t)0U; + for (uint32_t i = (uint32_t)0U; i < aLen / (uint32_t)4U; i++) { + uint32_t t1 = a[(uint32_t)4U * i]; + uint32_t t20 = b[(uint32_t)4U * i]; + uint32_t *res_i0 = res + (uint32_t)4U * i; + c = Lib_IntTypes_Intrinsics_sub_borrow_u32(c, t1, t20, res_i0); + uint32_t t10 = a[(uint32_t)4U * i + (uint32_t)1U]; + uint32_t t21 = b[(uint32_t)4U * i + (uint32_t)1U]; + uint32_t *res_i1 = res + (uint32_t)4U * i + (uint32_t)1U; + c = Lib_IntTypes_Intrinsics_sub_borrow_u32(c, t10, t21, res_i1); + uint32_t t11 = a[(uint32_t)4U * i + (uint32_t)2U]; + uint32_t t22 = b[(uint32_t)4U * i + (uint32_t)2U]; + uint32_t *res_i2 = res + (uint32_t)4U * i + (uint32_t)2U; + c = Lib_IntTypes_Intrinsics_sub_borrow_u32(c, t11, t22, res_i2); + uint32_t t12 = a[(uint32_t)4U * i + (uint32_t)3U]; + uint32_t t2 = b[(uint32_t)4U * i + (uint32_t)3U]; + uint32_t *res_i = res + (uint32_t)4U * i + (uint32_t)3U; + c = Lib_IntTypes_Intrinsics_sub_borrow_u32(c, t12, t2, res_i); + } + for (uint32_t i = aLen / (uint32_t)4U * (uint32_t)4U; i < aLen; i++) { + uint32_t t1 = a[i]; + uint32_t t2 = b[i]; + uint32_t *res_i = res + i; + c = Lib_IntTypes_Intrinsics_sub_borrow_u32(c, t1, t2, res_i); + } + return c; +} + +static inline uint64_t +Hacl_Bignum_Addition_bn_sub_eq_len_u64(uint32_t aLen, uint64_t *a, uint64_t *b, uint64_t *res) +{ + uint64_t c = (uint64_t)0U; + for (uint32_t i = (uint32_t)0U; i < aLen / (uint32_t)4U; i++) { + uint64_t t1 = a[(uint32_t)4U * i]; + uint64_t t20 = b[(uint32_t)4U * i]; + uint64_t *res_i0 = res + (uint32_t)4U * i; + c = Lib_IntTypes_Intrinsics_sub_borrow_u64(c, t1, t20, res_i0); + uint64_t t10 = a[(uint32_t)4U * i + (uint32_t)1U]; + uint64_t t21 = b[(uint32_t)4U * i + (uint32_t)1U]; + uint64_t *res_i1 = res + (uint32_t)4U * i + (uint32_t)1U; + c = Lib_IntTypes_Intrinsics_sub_borrow_u64(c, t10, t21, res_i1); + uint64_t t11 = a[(uint32_t)4U * i + (uint32_t)2U]; + uint64_t t22 = b[(uint32_t)4U * i + (uint32_t)2U]; + uint64_t *res_i2 = res + (uint32_t)4U * i + (uint32_t)2U; + c = Lib_IntTypes_Intrinsics_sub_borrow_u64(c, t11, t22, res_i2); + uint64_t t12 = a[(uint32_t)4U * i + (uint32_t)3U]; + uint64_t t2 = b[(uint32_t)4U * i + (uint32_t)3U]; + uint64_t *res_i = res + (uint32_t)4U * i + (uint32_t)3U; + c = Lib_IntTypes_Intrinsics_sub_borrow_u64(c, t12, t2, res_i); + } + for (uint32_t i = aLen / (uint32_t)4U * (uint32_t)4U; i < aLen; i++) { + uint64_t t1 = a[i]; + uint64_t t2 = b[i]; + uint64_t *res_i = res + i; + c = Lib_IntTypes_Intrinsics_sub_borrow_u64(c, t1, t2, res_i); + } + return c; +} + +static inline uint32_t +Hacl_Bignum_Addition_bn_add_eq_len_u32(uint32_t aLen, uint32_t *a, uint32_t *b, uint32_t *res) +{ + uint32_t c = (uint32_t)0U; + for (uint32_t i = (uint32_t)0U; i < aLen / (uint32_t)4U; i++) { + uint32_t t1 = a[(uint32_t)4U * i]; + uint32_t t20 = b[(uint32_t)4U * i]; + uint32_t *res_i0 = res + (uint32_t)4U * i; + c = Lib_IntTypes_Intrinsics_add_carry_u32(c, t1, t20, res_i0); + uint32_t t10 = a[(uint32_t)4U * i + (uint32_t)1U]; + uint32_t t21 = b[(uint32_t)4U * i + (uint32_t)1U]; + uint32_t *res_i1 = res + (uint32_t)4U * i + (uint32_t)1U; + c = Lib_IntTypes_Intrinsics_add_carry_u32(c, t10, t21, res_i1); + uint32_t t11 = a[(uint32_t)4U * i + (uint32_t)2U]; + uint32_t t22 = b[(uint32_t)4U * i + (uint32_t)2U]; + uint32_t *res_i2 = res + (uint32_t)4U * i + (uint32_t)2U; + c = Lib_IntTypes_Intrinsics_add_carry_u32(c, t11, t22, res_i2); + uint32_t t12 = a[(uint32_t)4U * i + (uint32_t)3U]; + uint32_t t2 = b[(uint32_t)4U * i + (uint32_t)3U]; + uint32_t *res_i = res + (uint32_t)4U * i + (uint32_t)3U; + c = Lib_IntTypes_Intrinsics_add_carry_u32(c, t12, t2, res_i); + } + for (uint32_t i = aLen / (uint32_t)4U * (uint32_t)4U; i < aLen; i++) { + uint32_t t1 = a[i]; + uint32_t t2 = b[i]; + uint32_t *res_i = res + i; + c = Lib_IntTypes_Intrinsics_add_carry_u32(c, t1, t2, res_i); + } + return c; +} + +static inline uint64_t +Hacl_Bignum_Addition_bn_add_eq_len_u64(uint32_t aLen, uint64_t *a, uint64_t *b, uint64_t *res) +{ + uint64_t c = (uint64_t)0U; + for (uint32_t i = (uint32_t)0U; i < aLen / (uint32_t)4U; i++) { + uint64_t t1 = a[(uint32_t)4U * i]; + uint64_t t20 = b[(uint32_t)4U * i]; + uint64_t *res_i0 = res + (uint32_t)4U * i; + c = Lib_IntTypes_Intrinsics_add_carry_u64(c, t1, t20, res_i0); + uint64_t t10 = a[(uint32_t)4U * i + (uint32_t)1U]; + uint64_t t21 = b[(uint32_t)4U * i + (uint32_t)1U]; + uint64_t *res_i1 = res + (uint32_t)4U * i + (uint32_t)1U; + c = Lib_IntTypes_Intrinsics_add_carry_u64(c, t10, t21, res_i1); + uint64_t t11 = a[(uint32_t)4U * i + (uint32_t)2U]; + uint64_t t22 = b[(uint32_t)4U * i + (uint32_t)2U]; + uint64_t *res_i2 = res + (uint32_t)4U * i + (uint32_t)2U; + c = Lib_IntTypes_Intrinsics_add_carry_u64(c, t11, t22, res_i2); + uint64_t t12 = a[(uint32_t)4U * i + (uint32_t)3U]; + uint64_t t2 = b[(uint32_t)4U * i + (uint32_t)3U]; + uint64_t *res_i = res + (uint32_t)4U * i + (uint32_t)3U; + c = Lib_IntTypes_Intrinsics_add_carry_u64(c, t12, t2, res_i); + } + for (uint32_t i = aLen / (uint32_t)4U * (uint32_t)4U; i < aLen; i++) { + uint64_t t1 = a[i]; + uint64_t t2 = b[i]; + uint64_t *res_i = res + i; + c = Lib_IntTypes_Intrinsics_add_carry_u64(c, t1, t2, res_i); + } + return c; +} + +static inline void +Hacl_Bignum_Multiplication_bn_mul_u32( + uint32_t aLen, + uint32_t *a, + uint32_t bLen, + uint32_t *b, + uint32_t *res) +{ + memset(res, 0U, (aLen + bLen) * sizeof(uint32_t)); + for (uint32_t i0 = (uint32_t)0U; i0 < bLen; i0++) { + uint32_t bj = b[i0]; + uint32_t *res_j = res + i0; + uint32_t c = (uint32_t)0U; + for (uint32_t i = (uint32_t)0U; i < aLen / (uint32_t)4U; i++) { + uint32_t a_i = a[(uint32_t)4U * i]; + uint32_t *res_i0 = res_j + (uint32_t)4U * i; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i, bj, c, res_i0); + uint32_t a_i0 = a[(uint32_t)4U * i + (uint32_t)1U]; + uint32_t *res_i1 = res_j + (uint32_t)4U * i + (uint32_t)1U; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i0, bj, c, res_i1); + uint32_t a_i1 = a[(uint32_t)4U * i + (uint32_t)2U]; + uint32_t *res_i2 = res_j + (uint32_t)4U * i + (uint32_t)2U; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i1, bj, c, res_i2); + uint32_t a_i2 = a[(uint32_t)4U * i + (uint32_t)3U]; + uint32_t *res_i = res_j + (uint32_t)4U * i + (uint32_t)3U; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i2, bj, c, res_i); + } + for (uint32_t i = aLen / (uint32_t)4U * (uint32_t)4U; i < aLen; i++) { + uint32_t a_i = a[i]; + uint32_t *res_i = res_j + i; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i, bj, c, res_i); + } + uint32_t r = c; + res[aLen + i0] = r; + } +} + +static inline void +Hacl_Bignum_Multiplication_bn_mul_u64( + uint32_t aLen, + uint64_t *a, + uint32_t bLen, + uint64_t *b, + uint64_t *res) +{ + memset(res, 0U, (aLen + bLen) * sizeof(uint64_t)); + for (uint32_t i0 = (uint32_t)0U; i0 < bLen; i0++) { + uint64_t bj = b[i0]; + uint64_t *res_j = res + i0; + uint64_t c = (uint64_t)0U; + for (uint32_t i = (uint32_t)0U; i < aLen / (uint32_t)4U; i++) { + uint64_t a_i = a[(uint32_t)4U * i]; + uint64_t *res_i0 = res_j + (uint32_t)4U * i; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i, bj, c, res_i0); + uint64_t a_i0 = a[(uint32_t)4U * i + (uint32_t)1U]; + uint64_t *res_i1 = res_j + (uint32_t)4U * i + (uint32_t)1U; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i0, bj, c, res_i1); + uint64_t a_i1 = a[(uint32_t)4U * i + (uint32_t)2U]; + uint64_t *res_i2 = res_j + (uint32_t)4U * i + (uint32_t)2U; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i1, bj, c, res_i2); + uint64_t a_i2 = a[(uint32_t)4U * i + (uint32_t)3U]; + uint64_t *res_i = res_j + (uint32_t)4U * i + (uint32_t)3U; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i2, bj, c, res_i); + } + for (uint32_t i = aLen / (uint32_t)4U * (uint32_t)4U; i < aLen; i++) { + uint64_t a_i = a[i]; + uint64_t *res_i = res_j + i; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i, bj, c, res_i); + } + uint64_t r = c; + res[aLen + i0] = r; + } +} + +static inline void +Hacl_Bignum_Multiplication_bn_sqr_u32(uint32_t aLen, uint32_t *a, uint32_t *res) +{ + memset(res, 0U, (aLen + aLen) * sizeof(uint32_t)); + for (uint32_t i0 = (uint32_t)0U; i0 < aLen; i0++) { + uint32_t *ab = a; + uint32_t a_j = a[i0]; + uint32_t *res_j = res + i0; + uint32_t c = (uint32_t)0U; + for (uint32_t i = (uint32_t)0U; i < i0 / (uint32_t)4U; i++) { + uint32_t a_i = ab[(uint32_t)4U * i]; + uint32_t *res_i0 = res_j + (uint32_t)4U * i; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i, a_j, c, res_i0); + uint32_t a_i0 = ab[(uint32_t)4U * i + (uint32_t)1U]; + uint32_t *res_i1 = res_j + (uint32_t)4U * i + (uint32_t)1U; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i0, a_j, c, res_i1); + uint32_t a_i1 = ab[(uint32_t)4U * i + (uint32_t)2U]; + uint32_t *res_i2 = res_j + (uint32_t)4U * i + (uint32_t)2U; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i1, a_j, c, res_i2); + uint32_t a_i2 = ab[(uint32_t)4U * i + (uint32_t)3U]; + uint32_t *res_i = res_j + (uint32_t)4U * i + (uint32_t)3U; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i2, a_j, c, res_i); + } + for (uint32_t i = i0 / (uint32_t)4U * (uint32_t)4U; i < i0; i++) { + uint32_t a_i = ab[i]; + uint32_t *res_i = res_j + i; + c = Hacl_Bignum_Base_mul_wide_add2_u32(a_i, a_j, c, res_i); + } + uint32_t r = c; + res[i0 + i0] = r; + } + uint32_t c0 = Hacl_Bignum_Addition_bn_add_eq_len_u32(aLen + aLen, res, res, res); + KRML_HOST_IGNORE(c0); + KRML_CHECK_SIZE(sizeof(uint32_t), aLen + aLen); + uint32_t *tmp = (uint32_t *)alloca((aLen + aLen) * sizeof(uint32_t)); + memset(tmp, 0U, (aLen + aLen) * sizeof(uint32_t)); + for (uint32_t i = (uint32_t)0U; i < aLen; i++) { + uint64_t res1 = (uint64_t)a[i] * (uint64_t)a[i]; + uint32_t hi = (uint32_t)(res1 >> (uint32_t)32U); + uint32_t lo = (uint32_t)res1; + tmp[(uint32_t)2U * i] = lo; + tmp[(uint32_t)2U * i + (uint32_t)1U] = hi; + } + uint32_t c1 = Hacl_Bignum_Addition_bn_add_eq_len_u32(aLen + aLen, res, tmp, res); + KRML_HOST_IGNORE(c1); +} + +static inline void +Hacl_Bignum_Multiplication_bn_sqr_u64(uint32_t aLen, uint64_t *a, uint64_t *res) +{ + memset(res, 0U, (aLen + aLen) * sizeof(uint64_t)); + for (uint32_t i0 = (uint32_t)0U; i0 < aLen; i0++) { + uint64_t *ab = a; + uint64_t a_j = a[i0]; + uint64_t *res_j = res + i0; + uint64_t c = (uint64_t)0U; + for (uint32_t i = (uint32_t)0U; i < i0 / (uint32_t)4U; i++) { + uint64_t a_i = ab[(uint32_t)4U * i]; + uint64_t *res_i0 = res_j + (uint32_t)4U * i; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i, a_j, c, res_i0); + uint64_t a_i0 = ab[(uint32_t)4U * i + (uint32_t)1U]; + uint64_t *res_i1 = res_j + (uint32_t)4U * i + (uint32_t)1U; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i0, a_j, c, res_i1); + uint64_t a_i1 = ab[(uint32_t)4U * i + (uint32_t)2U]; + uint64_t *res_i2 = res_j + (uint32_t)4U * i + (uint32_t)2U; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i1, a_j, c, res_i2); + uint64_t a_i2 = ab[(uint32_t)4U * i + (uint32_t)3U]; + uint64_t *res_i = res_j + (uint32_t)4U * i + (uint32_t)3U; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i2, a_j, c, res_i); + } + for (uint32_t i = i0 / (uint32_t)4U * (uint32_t)4U; i < i0; i++) { + uint64_t a_i = ab[i]; + uint64_t *res_i = res_j + i; + c = Hacl_Bignum_Base_mul_wide_add2_u64(a_i, a_j, c, res_i); + } + uint64_t r = c; + res[i0 + i0] = r; + } + uint64_t c0 = Hacl_Bignum_Addition_bn_add_eq_len_u64(aLen + aLen, res, res, res); + KRML_HOST_IGNORE(c0); + KRML_CHECK_SIZE(sizeof(uint64_t), aLen + aLen); + uint64_t *tmp = (uint64_t *)alloca((aLen + aLen) * sizeof(uint64_t)); + memset(tmp, 0U, (aLen + aLen) * sizeof(uint64_t)); + for (uint32_t i = (uint32_t)0U; i < aLen; i++) { + FStar_UInt128_uint128 res1 = FStar_UInt128_mul_wide(a[i], a[i]); + uint64_t hi = FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(res1, (uint32_t)64U)); + uint64_t lo = FStar_UInt128_uint128_to_uint64(res1); + tmp[(uint32_t)2U * i] = lo; + tmp[(uint32_t)2U * i + (uint32_t)1U] = hi; + } + uint64_t c1 = Hacl_Bignum_Addition_bn_add_eq_len_u64(aLen + aLen, res, tmp, res); + KRML_HOST_IGNORE(c1); +} + +#if defined(__cplusplus) +} +#endif + +#define __internal_Hacl_Bignum_Base_H_DEFINED +#endif |