/* 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_Streaming_Blake2b_256.h" /* State allocation function when there is no key */ Hacl_Streaming_Blake2b_256_blake2b_256_state *Hacl_Streaming_Blake2b_256_blake2b_256_no_key_create_in() { KRML_CHECK_SIZE(sizeof (uint8_t), Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); { uint8_t *buf = (uint8_t *)KRML_HOST_CALLOC(Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256), sizeof (uint8_t)); Lib_IntVector_Intrinsics_vec256 *wv = (Lib_IntVector_Intrinsics_vec256 *)KRML_HOST_MALLOC(sizeof (Lib_IntVector_Intrinsics_vec256) * (uint32_t)4U); { uint32_t _i; for (_i = 0U; _i < (uint32_t)4U; ++_i) wv[_i] = Lib_IntVector_Intrinsics_vec256_zero; } { Lib_IntVector_Intrinsics_vec256 *b = (Lib_IntVector_Intrinsics_vec256 *)KRML_HOST_MALLOC(sizeof (Lib_IntVector_Intrinsics_vec256) * (uint32_t)4U); { uint32_t _i; for (_i = 0U; _i < (uint32_t)4U; ++_i) b[_i] = Lib_IntVector_Intrinsics_vec256_zero; } { Hacl_Streaming_Blake2b_256_blake2b_256_block_state lit; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state; lit.fst = wv; lit.snd = b; block_state = lit; { Hacl_Streaming_Blake2b_256_blake2b_256_state s; s.block_state = block_state; s.buf = buf; s.total_len = (uint64_t)0U; KRML_CHECK_SIZE(sizeof (Hacl_Streaming_Blake2b_256_blake2b_256_state), (uint32_t)1U); { Hacl_Streaming_Blake2b_256_blake2b_256_state *p = (Hacl_Streaming_Blake2b_256_blake2b_256_state *)KRML_HOST_MALLOC(sizeof ( Hacl_Streaming_Blake2b_256_blake2b_256_state )); p[0U] = s; Hacl_Blake2b_256_blake2b_init(block_state.snd, (uint32_t)0U, (uint32_t)64U); return p; } } } } } } /* (Re-)initialization function when there is no key */ void Hacl_Streaming_Blake2b_256_blake2b_256_no_key_init( Hacl_Streaming_Blake2b_256_blake2b_256_state *s ) { Hacl_Streaming_Blake2b_256_blake2b_256_state scrut = *s; uint8_t *buf = scrut.buf; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state = scrut.block_state; Hacl_Blake2b_256_blake2b_init(block_state.snd, (uint32_t)0U, (uint32_t)64U); { Hacl_Streaming_Blake2b_256_blake2b_256_state lit; lit.block_state = block_state; lit.buf = buf; lit.total_len = (uint64_t)0U; s[0U] = lit; } } /* Update function when there is no key */ void Hacl_Streaming_Blake2b_256_blake2b_256_no_key_update( Hacl_Streaming_Blake2b_256_blake2b_256_state *p, uint8_t *data, uint32_t len ) { Hacl_Streaming_Blake2b_256_blake2b_256_state s = *p; uint64_t total_len = s.total_len; uint32_t sz; if ( total_len % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && total_len > (uint64_t)0U ) { sz = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { sz = (uint32_t)(total_len % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } if ( len <= Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) - sz ) { Hacl_Streaming_Blake2b_256_blake2b_256_state s1 = *p; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state1 = s1.block_state; uint8_t *buf = s1.buf; uint64_t total_len1 = s1.total_len; uint32_t sz1; if ( total_len1 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && total_len1 > (uint64_t)0U ) { sz1 = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { sz1 = (uint32_t)(total_len1 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } { uint8_t *buf2 = buf + sz1; uint64_t total_len2; memcpy(buf2, data, len * sizeof (uint8_t)); total_len2 = total_len1 + (uint64_t)len; { Hacl_Streaming_Blake2b_256_blake2b_256_state lit; lit.block_state = block_state1; lit.buf = buf; lit.total_len = total_len2; *p = lit; return; } } } if (sz == (uint32_t)0U) { Hacl_Streaming_Blake2b_256_blake2b_256_state s1 = *p; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state1 = s1.block_state; uint8_t *buf = s1.buf; uint64_t total_len1 = s1.total_len; uint32_t sz1; if ( total_len1 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && total_len1 > (uint64_t)0U ) { sz1 = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { sz1 = (uint32_t)(total_len1 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } { uint32_t ite; uint32_t n_blocks; uint32_t data1_len; uint32_t data2_len; uint8_t *data1; uint8_t *data2; uint32_t nb0; uint8_t *dst; if (!(sz1 == (uint32_t)0U)) { uint64_t prevlen = total_len1 - (uint64_t)sz1; uint32_t nb = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) / (uint32_t)128U; Hacl_Blake2b_256_blake2b_update_multi(Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256), block_state1.fst, block_state1.snd, FStar_UInt128_uint64_to_uint128(prevlen), buf, nb); } if ( (uint64_t)len % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && (uint64_t)len > (uint64_t)0U ) { ite = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { ite = (uint32_t)((uint64_t)len % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } n_blocks = (len - ite) / Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); data1_len = n_blocks * Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); data2_len = len - data1_len; data1 = data; data2 = data + data1_len; nb0 = data1_len / (uint32_t)128U; Hacl_Blake2b_256_blake2b_update_multi(data1_len, block_state1.fst, block_state1.snd, FStar_UInt128_uint64_to_uint128(total_len1), data1, nb0); dst = buf; memcpy(dst, data2, data2_len * sizeof (uint8_t)); { Hacl_Streaming_Blake2b_256_blake2b_256_state lit; lit.block_state = block_state1; lit.buf = buf; lit.total_len = total_len1 + (uint64_t)len; *p = lit; return; } } } { uint32_t diff = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) - sz; uint8_t *data1 = data; uint8_t *data2 = data + diff; Hacl_Streaming_Blake2b_256_blake2b_256_state s10 = *p; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state10 = s10.block_state; uint8_t *buf0 = s10.buf; uint64_t total_len10 = s10.total_len; uint32_t sz10; if ( total_len10 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && total_len10 > (uint64_t)0U ) { sz10 = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { sz10 = (uint32_t)(total_len10 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } { uint8_t *buf2 = buf0 + sz10; uint64_t total_len2; memcpy(buf2, data1, diff * sizeof (uint8_t)); total_len2 = total_len10 + (uint64_t)diff; { Hacl_Streaming_Blake2b_256_blake2b_256_state lit; Hacl_Streaming_Blake2b_256_blake2b_256_state s1; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state1; uint8_t *buf; uint64_t total_len1; uint32_t sz1; uint32_t ite; uint32_t n_blocks; uint32_t data1_len; uint32_t data2_len; uint8_t *data11; uint8_t *data21; uint32_t nb0; uint8_t *dst; lit.block_state = block_state10; lit.buf = buf0; lit.total_len = total_len2; *p = lit; s1 = *p; block_state1 = s1.block_state; buf = s1.buf; total_len1 = s1.total_len; if ( total_len1 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && total_len1 > (uint64_t)0U ) { sz1 = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { sz1 = (uint32_t)(total_len1 % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } if (!(sz1 == (uint32_t)0U)) { uint64_t prevlen = total_len1 - (uint64_t)sz1; uint32_t nb = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) / (uint32_t)128U; Hacl_Blake2b_256_blake2b_update_multi(Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256), block_state1.fst, block_state1.snd, FStar_UInt128_uint64_to_uint128(prevlen), buf, nb); } if ( (uint64_t)(len - diff) % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && (uint64_t)(len - diff) > (uint64_t)0U ) { ite = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { ite = (uint32_t)((uint64_t)(len - diff) % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } n_blocks = (len - diff - ite) / Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); data1_len = n_blocks * Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); data2_len = len - diff - data1_len; data11 = data2; data21 = data2 + data1_len; nb0 = data1_len / (uint32_t)128U; Hacl_Blake2b_256_blake2b_update_multi(data1_len, block_state1.fst, block_state1.snd, FStar_UInt128_uint64_to_uint128(total_len1), data11, nb0); dst = buf; memcpy(dst, data21, data2_len * sizeof (uint8_t)); { Hacl_Streaming_Blake2b_256_blake2b_256_state lit0; lit0.block_state = block_state1; lit0.buf = buf; lit0.total_len = total_len1 + (uint64_t)(len - diff); *p = lit0; } } } } } /* Finish function when there is no key */ void Hacl_Streaming_Blake2b_256_blake2b_256_no_key_finish( Hacl_Streaming_Blake2b_256_blake2b_256_state *p, uint8_t *dst ) { Hacl_Streaming_Blake2b_256_blake2b_256_state scrut = *p; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state = scrut.block_state; uint8_t *buf_ = scrut.buf; uint64_t total_len = scrut.total_len; uint32_t r; if ( total_len % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) == (uint64_t)0U && total_len > (uint64_t)0U ) { r = Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256); } else { r = (uint32_t)(total_len % (uint64_t)Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256)); } { uint8_t *buf_1 = buf_; KRML_CHECK_SIZE(sizeof (Lib_IntVector_Intrinsics_vec256), (uint32_t)4U * (uint32_t)1U); { Lib_IntVector_Intrinsics_vec256 wv[(uint32_t)4U * (uint32_t)1U]; { uint32_t _i; for (_i = 0U; _i < (uint32_t)4U * (uint32_t)1U; ++_i) wv[_i] = Lib_IntVector_Intrinsics_vec256_zero; } KRML_CHECK_SIZE(sizeof (Lib_IntVector_Intrinsics_vec256), (uint32_t)4U * (uint32_t)1U); { Lib_IntVector_Intrinsics_vec256 b[(uint32_t)4U * (uint32_t)1U]; { uint32_t _i; for (_i = 0U; _i < (uint32_t)4U * (uint32_t)1U; ++_i) b[_i] = Lib_IntVector_Intrinsics_vec256_zero; } { Hacl_Streaming_Blake2b_256_blake2b_256_block_state lit; Hacl_Streaming_Blake2b_256_blake2b_256_block_state tmp_block_state; Lib_IntVector_Intrinsics_vec256 *src_b; Lib_IntVector_Intrinsics_vec256 *dst_b; uint64_t prev_len; uint32_t ite0; uint8_t *buf_last; uint8_t *buf_multi; uint32_t ite1; uint32_t nb; uint32_t ite2; uint32_t ite3; uint64_t prev_len_last; uint32_t ite4; uint32_t ite; lit.fst = wv; lit.snd = b; tmp_block_state = lit; src_b = block_state.snd; dst_b = tmp_block_state.snd; memcpy(dst_b, src_b, (uint32_t)4U * sizeof (Lib_IntVector_Intrinsics_vec256)); prev_len = total_len - (uint64_t)r; if (r % (uint32_t)128U == (uint32_t)0U && r > (uint32_t)0U) { ite0 = (uint32_t)128U; } else { ite0 = r % (uint32_t)128U; } buf_last = buf_1 + r - ite0; buf_multi = buf_1; if ( (uint32_t)128U == Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) ) { ite1 = (uint32_t)0U; } else { uint32_t ite5; if (r % (uint32_t)128U == (uint32_t)0U && r > (uint32_t)0U) { ite5 = (uint32_t)128U; } else { ite5 = r % (uint32_t)128U; } ite1 = r - ite5; } nb = ite1 / (uint32_t)128U; if ( (uint32_t)128U == Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) ) { ite2 = (uint32_t)0U; } else { uint32_t ite5; if (r % (uint32_t)128U == (uint32_t)0U && r > (uint32_t)0U) { ite5 = (uint32_t)128U; } else { ite5 = r % (uint32_t)128U; } ite2 = r - ite5; } Hacl_Blake2b_256_blake2b_update_multi(ite2, tmp_block_state.fst, tmp_block_state.snd, FStar_UInt128_uint64_to_uint128(prev_len), buf_multi, nb); if ( (uint32_t)128U == Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) ) { ite3 = r; } else if (r % (uint32_t)128U == (uint32_t)0U && r > (uint32_t)0U) { ite3 = (uint32_t)128U; } else { ite3 = r % (uint32_t)128U; } prev_len_last = total_len - (uint64_t)ite3; if ( (uint32_t)128U == Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) ) { ite4 = r; } else if (r % (uint32_t)128U == (uint32_t)0U && r > (uint32_t)0U) { ite4 = (uint32_t)128U; } else { ite4 = r % (uint32_t)128U; } if ( (uint32_t)128U == Hacl_Streaming_Blake2_blocks_state_len(Spec_Blake2_Blake2B, Hacl_Impl_Blake2_Core_M256) ) { ite = r; } else if (r % (uint32_t)128U == (uint32_t)0U && r > (uint32_t)0U) { ite = (uint32_t)128U; } else { ite = r % (uint32_t)128U; } Hacl_Blake2b_256_blake2b_update_last(ite4, tmp_block_state.fst, tmp_block_state.snd, FStar_UInt128_uint64_to_uint128(prev_len_last), ite, buf_last); Hacl_Blake2b_256_blake2b_finish((uint32_t)64U, dst, tmp_block_state.snd); } } } } } /* Free state function when there is no key */ void Hacl_Streaming_Blake2b_256_blake2b_256_no_key_free( Hacl_Streaming_Blake2b_256_blake2b_256_state *s ) { Hacl_Streaming_Blake2b_256_blake2b_256_state scrut = *s; uint8_t *buf = scrut.buf; Hacl_Streaming_Blake2b_256_blake2b_256_block_state block_state = scrut.block_state; Lib_IntVector_Intrinsics_vec256 *wv = block_state.fst; Lib_IntVector_Intrinsics_vec256 *b = block_state.snd; KRML_HOST_FREE(wv); KRML_HOST_FREE(b); KRML_HOST_FREE(buf); KRML_HOST_FREE(s); }