diff options
Diffstat (limited to 'security/nss/lib/freebl/verified/Hacl_Poly1305_64.c')
-rw-r--r-- | security/nss/lib/freebl/verified/Hacl_Poly1305_64.c | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/security/nss/lib/freebl/verified/Hacl_Poly1305_64.c b/security/nss/lib/freebl/verified/Hacl_Poly1305_64.c deleted file mode 100644 index 984031ae2..000000000 --- a/security/nss/lib/freebl/verified/Hacl_Poly1305_64.c +++ /dev/null @@ -1,485 +0,0 @@ -/* Copyright 2016-2017 INRIA and Microsoft Corporation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "Hacl_Poly1305_64.h" - -inline static void -Hacl_Bignum_Modulo_reduce(uint64_t *b) -{ - uint64_t b0 = b[0U]; - b[0U] = (b0 << (uint32_t)4U) + (b0 << (uint32_t)2U); -} - -inline static void -Hacl_Bignum_Modulo_carry_top(uint64_t *b) -{ - uint64_t b2 = b[2U]; - uint64_t b0 = b[0U]; - uint64_t b2_42 = b2 >> (uint32_t)42U; - b[2U] = b2 & (uint64_t)0x3ffffffffffU; - b[0U] = (b2_42 << (uint32_t)2U) + b2_42 + b0; -} - -inline static void -Hacl_Bignum_Modulo_carry_top_wide(FStar_UInt128_t *b) -{ - FStar_UInt128_t b2 = b[2U]; - FStar_UInt128_t b0 = b[0U]; - FStar_UInt128_t - b2_ = FStar_UInt128_logand(b2, FStar_UInt128_uint64_to_uint128((uint64_t)0x3ffffffffffU)); - uint64_t b2_42 = FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(b2, (uint32_t)42U)); - FStar_UInt128_t - b0_ = FStar_UInt128_add(b0, FStar_UInt128_uint64_to_uint128((b2_42 << (uint32_t)2U) + b2_42)); - b[2U] = b2_; - b[0U] = b0_; -} - -inline static void -Hacl_Bignum_Fproduct_copy_from_wide_(uint64_t *output, FStar_UInt128_t *input) -{ - for (uint32_t i = (uint32_t)0U; i < (uint32_t)3U; i = i + (uint32_t)1U) { - FStar_UInt128_t xi = input[i]; - output[i] = FStar_UInt128_uint128_to_uint64(xi); - } -} - -inline static void -Hacl_Bignum_Fproduct_sum_scalar_multiplication_( - FStar_UInt128_t *output, - uint64_t *input, - uint64_t s) -{ - for (uint32_t i = (uint32_t)0U; i < (uint32_t)3U; i = i + (uint32_t)1U) { - FStar_UInt128_t xi = output[i]; - uint64_t yi = input[i]; - output[i] = FStar_UInt128_add_mod(xi, FStar_UInt128_mul_wide(yi, s)); - } -} - -inline static void -Hacl_Bignum_Fproduct_carry_wide_(FStar_UInt128_t *tmp) -{ - for (uint32_t i = (uint32_t)0U; i < (uint32_t)2U; i = i + (uint32_t)1U) { - uint32_t ctr = i; - FStar_UInt128_t tctr = tmp[ctr]; - FStar_UInt128_t tctrp1 = tmp[ctr + (uint32_t)1U]; - uint64_t r0 = FStar_UInt128_uint128_to_uint64(tctr) & (uint64_t)0xfffffffffffU; - FStar_UInt128_t c = FStar_UInt128_shift_right(tctr, (uint32_t)44U); - tmp[ctr] = FStar_UInt128_uint64_to_uint128(r0); - tmp[ctr + (uint32_t)1U] = FStar_UInt128_add(tctrp1, c); - } -} - -inline static void -Hacl_Bignum_Fproduct_carry_limb_(uint64_t *tmp) -{ - for (uint32_t i = (uint32_t)0U; i < (uint32_t)2U; i = i + (uint32_t)1U) { - uint32_t ctr = i; - uint64_t tctr = tmp[ctr]; - uint64_t tctrp1 = tmp[ctr + (uint32_t)1U]; - uint64_t r0 = tctr & (uint64_t)0xfffffffffffU; - uint64_t c = tctr >> (uint32_t)44U; - tmp[ctr] = r0; - tmp[ctr + (uint32_t)1U] = tctrp1 + c; - } -} - -inline static void -Hacl_Bignum_Fmul_shift_reduce(uint64_t *output) -{ - uint64_t tmp = output[2U]; - for (uint32_t i = (uint32_t)0U; i < (uint32_t)2U; i = i + (uint32_t)1U) { - uint32_t ctr = (uint32_t)3U - i - (uint32_t)1U; - uint64_t z = output[ctr - (uint32_t)1U]; - output[ctr] = z; - } - output[0U] = tmp; - Hacl_Bignum_Modulo_reduce(output); -} - -static void -Hacl_Bignum_Fmul_mul_shift_reduce_(FStar_UInt128_t *output, uint64_t *input, uint64_t *input2) -{ - for (uint32_t i = (uint32_t)0U; i < (uint32_t)2U; i = i + (uint32_t)1U) { - uint64_t input2i = input2[i]; - Hacl_Bignum_Fproduct_sum_scalar_multiplication_(output, input, input2i); - Hacl_Bignum_Fmul_shift_reduce(input); - } - uint32_t i = (uint32_t)2U; - uint64_t input2i = input2[i]; - Hacl_Bignum_Fproduct_sum_scalar_multiplication_(output, input, input2i); -} - -inline static void -Hacl_Bignum_Fmul_fmul(uint64_t *output, uint64_t *input, uint64_t *input2) -{ - uint64_t tmp[3U] = { 0U }; - memcpy(tmp, input, (uint32_t)3U * sizeof input[0U]); - KRML_CHECK_SIZE(FStar_UInt128_uint64_to_uint128((uint64_t)0U), (uint32_t)3U); - FStar_UInt128_t t[3U]; - for (uint32_t _i = 0U; _i < (uint32_t)3U; ++_i) - t[_i] = FStar_UInt128_uint64_to_uint128((uint64_t)0U); - Hacl_Bignum_Fmul_mul_shift_reduce_(t, tmp, input2); - Hacl_Bignum_Fproduct_carry_wide_(t); - Hacl_Bignum_Modulo_carry_top_wide(t); - Hacl_Bignum_Fproduct_copy_from_wide_(output, t); - uint64_t i0 = output[0U]; - uint64_t i1 = output[1U]; - uint64_t i0_ = i0 & (uint64_t)0xfffffffffffU; - uint64_t i1_ = i1 + (i0 >> (uint32_t)44U); - output[0U] = i0_; - output[1U] = i1_; -} - -inline static void -Hacl_Bignum_AddAndMultiply_add_and_multiply(uint64_t *acc, uint64_t *block, uint64_t *r) -{ - for (uint32_t i = (uint32_t)0U; i < (uint32_t)3U; i = i + (uint32_t)1U) { - uint64_t xi = acc[i]; - uint64_t yi = block[i]; - acc[i] = xi + yi; - } - Hacl_Bignum_Fmul_fmul(acc, acc, r); -} - -inline static void -Hacl_Impl_Poly1305_64_poly1305_update( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m) -{ - Hacl_Impl_Poly1305_64_State_poly1305_state scrut0 = st; - uint64_t *h = scrut0.h; - uint64_t *acc = h; - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *r = scrut.r; - uint64_t *r3 = r; - uint64_t tmp[3U] = { 0U }; - FStar_UInt128_t m0 = load128_le(m); - uint64_t r0 = FStar_UInt128_uint128_to_uint64(m0) & (uint64_t)0xfffffffffffU; - uint64_t - r1 = - FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(m0, (uint32_t)44U)) & (uint64_t)0xfffffffffffU; - uint64_t r2 = FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(m0, (uint32_t)88U)); - tmp[0U] = r0; - tmp[1U] = r1; - tmp[2U] = r2; - uint64_t b2 = tmp[2U]; - uint64_t b2_ = (uint64_t)0x10000000000U | b2; - tmp[2U] = b2_; - Hacl_Bignum_AddAndMultiply_add_and_multiply(acc, tmp, r3); -} - -inline static void -Hacl_Impl_Poly1305_64_poly1305_process_last_block_( - uint8_t *block, - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m, - uint64_t rem_) -{ - uint64_t tmp[3U] = { 0U }; - FStar_UInt128_t m0 = load128_le(block); - uint64_t r0 = FStar_UInt128_uint128_to_uint64(m0) & (uint64_t)0xfffffffffffU; - uint64_t - r1 = - FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(m0, (uint32_t)44U)) & (uint64_t)0xfffffffffffU; - uint64_t r2 = FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(m0, (uint32_t)88U)); - tmp[0U] = r0; - tmp[1U] = r1; - tmp[2U] = r2; - Hacl_Impl_Poly1305_64_State_poly1305_state scrut0 = st; - uint64_t *h = scrut0.h; - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *r = scrut.r; - Hacl_Bignum_AddAndMultiply_add_and_multiply(h, tmp, r); -} - -inline static void -Hacl_Impl_Poly1305_64_poly1305_process_last_block( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m, - uint64_t rem_) -{ - uint8_t zero1 = (uint8_t)0U; - KRML_CHECK_SIZE(zero1, (uint32_t)16U); - uint8_t block[16U]; - for (uint32_t _i = 0U; _i < (uint32_t)16U; ++_i) - block[_i] = zero1; - uint32_t i0 = (uint32_t)rem_; - uint32_t i = (uint32_t)rem_; - memcpy(block, m, i * sizeof m[0U]); - block[i0] = (uint8_t)1U; - Hacl_Impl_Poly1305_64_poly1305_process_last_block_(block, st, m, rem_); -} - -static void -Hacl_Impl_Poly1305_64_poly1305_last_pass(uint64_t *acc) -{ - Hacl_Bignum_Fproduct_carry_limb_(acc); - Hacl_Bignum_Modulo_carry_top(acc); - uint64_t a0 = acc[0U]; - uint64_t a10 = acc[1U]; - uint64_t a20 = acc[2U]; - uint64_t a0_ = a0 & (uint64_t)0xfffffffffffU; - uint64_t r0 = a0 >> (uint32_t)44U; - uint64_t a1_ = (a10 + r0) & (uint64_t)0xfffffffffffU; - uint64_t r1 = (a10 + r0) >> (uint32_t)44U; - uint64_t a2_ = a20 + r1; - acc[0U] = a0_; - acc[1U] = a1_; - acc[2U] = a2_; - Hacl_Bignum_Modulo_carry_top(acc); - uint64_t i0 = acc[0U]; - uint64_t i1 = acc[1U]; - uint64_t i0_ = i0 & (uint64_t)0xfffffffffffU; - uint64_t i1_ = i1 + (i0 >> (uint32_t)44U); - acc[0U] = i0_; - acc[1U] = i1_; - uint64_t a00 = acc[0U]; - uint64_t a1 = acc[1U]; - uint64_t a2 = acc[2U]; - uint64_t mask0 = FStar_UInt64_gte_mask(a00, (uint64_t)0xffffffffffbU); - uint64_t mask1 = FStar_UInt64_eq_mask(a1, (uint64_t)0xfffffffffffU); - uint64_t mask2 = FStar_UInt64_eq_mask(a2, (uint64_t)0x3ffffffffffU); - uint64_t mask = (mask0 & mask1) & mask2; - uint64_t a0_0 = a00 - ((uint64_t)0xffffffffffbU & mask); - uint64_t a1_0 = a1 - ((uint64_t)0xfffffffffffU & mask); - uint64_t a2_0 = a2 - ((uint64_t)0x3ffffffffffU & mask); - acc[0U] = a0_0; - acc[1U] = a1_0; - acc[2U] = a2_0; -} - -static Hacl_Impl_Poly1305_64_State_poly1305_state -Hacl_Impl_Poly1305_64_mk_state(uint64_t *r, uint64_t *h) -{ - return ((Hacl_Impl_Poly1305_64_State_poly1305_state){.r = r, .h = h }); -} - -static void -Hacl_Standalone_Poly1305_64_poly1305_blocks( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m, - uint64_t len1) -{ - if (!(len1 == (uint64_t)0U)) { - uint8_t *block = m; - uint8_t *tail1 = m + (uint32_t)16U; - Hacl_Impl_Poly1305_64_poly1305_update(st, block); - uint64_t len2 = len1 - (uint64_t)1U; - Hacl_Standalone_Poly1305_64_poly1305_blocks(st, tail1, len2); - } -} - -static void -Hacl_Standalone_Poly1305_64_poly1305_partial( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *input, - uint64_t len1, - uint8_t *kr) -{ - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *r = scrut.r; - uint64_t *x0 = r; - FStar_UInt128_t k1 = load128_le(kr); - FStar_UInt128_t - k_clamped = - FStar_UInt128_logand(k1, - FStar_UInt128_logor(FStar_UInt128_shift_left(FStar_UInt128_uint64_to_uint128((uint64_t)0x0ffffffc0ffffffcU), - (uint32_t)64U), - FStar_UInt128_uint64_to_uint128((uint64_t)0x0ffffffc0fffffffU))); - uint64_t r0 = FStar_UInt128_uint128_to_uint64(k_clamped) & (uint64_t)0xfffffffffffU; - uint64_t - r1 = - FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(k_clamped, (uint32_t)44U)) & (uint64_t)0xfffffffffffU; - uint64_t - r2 = FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(k_clamped, (uint32_t)88U)); - x0[0U] = r0; - x0[1U] = r1; - x0[2U] = r2; - Hacl_Impl_Poly1305_64_State_poly1305_state scrut0 = st; - uint64_t *h = scrut0.h; - uint64_t *x00 = h; - x00[0U] = (uint64_t)0U; - x00[1U] = (uint64_t)0U; - x00[2U] = (uint64_t)0U; - Hacl_Standalone_Poly1305_64_poly1305_blocks(st, input, len1); -} - -static void -Hacl_Standalone_Poly1305_64_poly1305_complete( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m, - uint64_t len1, - uint8_t *k1) -{ - uint8_t *kr = k1; - uint64_t len16 = len1 >> (uint32_t)4U; - uint64_t rem16 = len1 & (uint64_t)0xfU; - uint8_t *part_input = m; - uint8_t *last_block = m + (uint32_t)((uint64_t)16U * len16); - Hacl_Standalone_Poly1305_64_poly1305_partial(st, part_input, len16, kr); - if (!(rem16 == (uint64_t)0U)) - Hacl_Impl_Poly1305_64_poly1305_process_last_block(st, last_block, rem16); - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *h = scrut.h; - uint64_t *acc = h; - Hacl_Impl_Poly1305_64_poly1305_last_pass(acc); -} - -static void -Hacl_Standalone_Poly1305_64_crypto_onetimeauth_( - uint8_t *output, - uint8_t *input, - uint64_t len1, - uint8_t *k1) -{ - uint64_t buf[6U] = { 0U }; - uint64_t *r = buf; - uint64_t *h = buf + (uint32_t)3U; - Hacl_Impl_Poly1305_64_State_poly1305_state st = Hacl_Impl_Poly1305_64_mk_state(r, h); - uint8_t *key_s = k1 + (uint32_t)16U; - Hacl_Standalone_Poly1305_64_poly1305_complete(st, input, len1, k1); - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *h3 = scrut.h; - uint64_t *acc = h3; - FStar_UInt128_t k_ = load128_le(key_s); - uint64_t h0 = acc[0U]; - uint64_t h1 = acc[1U]; - uint64_t h2 = acc[2U]; - FStar_UInt128_t - acc_ = - FStar_UInt128_logor(FStar_UInt128_shift_left(FStar_UInt128_uint64_to_uint128(h2 - << (uint32_t)24U | - h1 >> (uint32_t)20U), - (uint32_t)64U), - FStar_UInt128_uint64_to_uint128(h1 << (uint32_t)44U | h0)); - FStar_UInt128_t mac_ = FStar_UInt128_add_mod(acc_, k_); - store128_le(output, mac_); -} - -static void -Hacl_Standalone_Poly1305_64_crypto_onetimeauth( - uint8_t *output, - uint8_t *input, - uint64_t len1, - uint8_t *k1) -{ - Hacl_Standalone_Poly1305_64_crypto_onetimeauth_(output, input, len1, k1); -} - -Hacl_Impl_Poly1305_64_State_poly1305_state -Hacl_Poly1305_64_mk_state(uint64_t *r, uint64_t *acc) -{ - return Hacl_Impl_Poly1305_64_mk_state(r, acc); -} - -void -Hacl_Poly1305_64_init(Hacl_Impl_Poly1305_64_State_poly1305_state st, uint8_t *k1) -{ - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *r = scrut.r; - uint64_t *x0 = r; - FStar_UInt128_t k10 = load128_le(k1); - FStar_UInt128_t - k_clamped = - FStar_UInt128_logand(k10, - FStar_UInt128_logor(FStar_UInt128_shift_left(FStar_UInt128_uint64_to_uint128((uint64_t)0x0ffffffc0ffffffcU), - (uint32_t)64U), - FStar_UInt128_uint64_to_uint128((uint64_t)0x0ffffffc0fffffffU))); - uint64_t r0 = FStar_UInt128_uint128_to_uint64(k_clamped) & (uint64_t)0xfffffffffffU; - uint64_t - r1 = - FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(k_clamped, (uint32_t)44U)) & (uint64_t)0xfffffffffffU; - uint64_t - r2 = FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(k_clamped, (uint32_t)88U)); - x0[0U] = r0; - x0[1U] = r1; - x0[2U] = r2; - Hacl_Impl_Poly1305_64_State_poly1305_state scrut0 = st; - uint64_t *h = scrut0.h; - uint64_t *x00 = h; - x00[0U] = (uint64_t)0U; - x00[1U] = (uint64_t)0U; - x00[2U] = (uint64_t)0U; -} - -void -Hacl_Poly1305_64_update_block(Hacl_Impl_Poly1305_64_State_poly1305_state st, uint8_t *m) -{ - Hacl_Impl_Poly1305_64_poly1305_update(st, m); -} - -void -Hacl_Poly1305_64_update( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m, - uint32_t num_blocks) -{ - if (!(num_blocks == (uint32_t)0U)) { - uint8_t *block = m; - uint8_t *m_ = m + (uint32_t)16U; - uint32_t n1 = num_blocks - (uint32_t)1U; - Hacl_Poly1305_64_update_block(st, block); - Hacl_Poly1305_64_update(st, m_, n1); - } -} - -void -Hacl_Poly1305_64_update_last( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *m, - uint32_t len1) -{ - if (!((uint64_t)len1 == (uint64_t)0U)) - Hacl_Impl_Poly1305_64_poly1305_process_last_block(st, m, (uint64_t)len1); - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *h = scrut.h; - uint64_t *acc = h; - Hacl_Impl_Poly1305_64_poly1305_last_pass(acc); -} - -void -Hacl_Poly1305_64_finish( - Hacl_Impl_Poly1305_64_State_poly1305_state st, - uint8_t *mac, - uint8_t *k1) -{ - Hacl_Impl_Poly1305_64_State_poly1305_state scrut = st; - uint64_t *h = scrut.h; - uint64_t *acc = h; - FStar_UInt128_t k_ = load128_le(k1); - uint64_t h0 = acc[0U]; - uint64_t h1 = acc[1U]; - uint64_t h2 = acc[2U]; - FStar_UInt128_t - acc_ = - FStar_UInt128_logor(FStar_UInt128_shift_left(FStar_UInt128_uint64_to_uint128(h2 - << (uint32_t)24U | - h1 >> (uint32_t)20U), - (uint32_t)64U), - FStar_UInt128_uint64_to_uint128(h1 << (uint32_t)44U | h0)); - FStar_UInt128_t mac_ = FStar_UInt128_add_mod(acc_, k_); - store128_le(mac, mac_); -} - -void -Hacl_Poly1305_64_crypto_onetimeauth( - uint8_t *output, - uint8_t *input, - uint64_t len1, - uint8_t *k1) -{ - Hacl_Standalone_Poly1305_64_crypto_onetimeauth(output, input, len1, k1); -} |