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#![allow(dead_code)]
#![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]

use simd::u64x2;
use simd::u32x4;

pub const STATE_LEN: usize = 8;
pub const BLOCK_LEN: usize = 16;

/// Constants necessary for SHA-256 family of digests.
pub const K32: [u32; 64] =
    [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1,
     0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
     0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786,
     0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
     0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147,
     0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
     0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b,
     0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
     0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a,
     0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
     0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];

/// Constants necessary for SHA-256 family of digests.
pub const K32X4: [u32x4; 16] = [u32x4(K32[3], K32[2], K32[1], K32[0]),
                                u32x4(K32[7], K32[6], K32[5], K32[4]),
                                u32x4(K32[11], K32[10], K32[9], K32[8]),
                                u32x4(K32[15], K32[14], K32[13], K32[12]),
                                u32x4(K32[19], K32[18], K32[17], K32[16]),
                                u32x4(K32[23], K32[22], K32[21], K32[20]),
                                u32x4(K32[27], K32[26], K32[25], K32[24]),
                                u32x4(K32[31], K32[30], K32[29], K32[28]),
                                u32x4(K32[35], K32[34], K32[33], K32[32]),
                                u32x4(K32[39], K32[38], K32[37], K32[36]),
                                u32x4(K32[43], K32[42], K32[41], K32[40]),
                                u32x4(K32[47], K32[46], K32[45], K32[44]),
                                u32x4(K32[51], K32[50], K32[49], K32[48]),
                                u32x4(K32[55], K32[54], K32[53], K32[52]),
                                u32x4(K32[59], K32[58], K32[57], K32[56]),
                                u32x4(K32[63], K32[62], K32[61], K32[60])];

/// Constants necessary for SHA-512 family of digests.
pub const K64: [u64; 80] = [0x428a2f98d728ae22,
                            0x7137449123ef65cd,
                            0xb5c0fbcfec4d3b2f,
                            0xe9b5dba58189dbbc,
                            0x3956c25bf348b538,
                            0x59f111f1b605d019,
                            0x923f82a4af194f9b,
                            0xab1c5ed5da6d8118,
                            0xd807aa98a3030242,
                            0x12835b0145706fbe,
                            0x243185be4ee4b28c,
                            0x550c7dc3d5ffb4e2,
                            0x72be5d74f27b896f,
                            0x80deb1fe3b1696b1,
                            0x9bdc06a725c71235,
                            0xc19bf174cf692694,
                            0xe49b69c19ef14ad2,
                            0xefbe4786384f25e3,
                            0x0fc19dc68b8cd5b5,
                            0x240ca1cc77ac9c65,
                            0x2de92c6f592b0275,
                            0x4a7484aa6ea6e483,
                            0x5cb0a9dcbd41fbd4,
                            0x76f988da831153b5,
                            0x983e5152ee66dfab,
                            0xa831c66d2db43210,
                            0xb00327c898fb213f,
                            0xbf597fc7beef0ee4,
                            0xc6e00bf33da88fc2,
                            0xd5a79147930aa725,
                            0x06ca6351e003826f,
                            0x142929670a0e6e70,
                            0x27b70a8546d22ffc,
                            0x2e1b21385c26c926,
                            0x4d2c6dfc5ac42aed,
                            0x53380d139d95b3df,
                            0x650a73548baf63de,
                            0x766a0abb3c77b2a8,
                            0x81c2c92e47edaee6,
                            0x92722c851482353b,
                            0xa2bfe8a14cf10364,
                            0xa81a664bbc423001,
                            0xc24b8b70d0f89791,
                            0xc76c51a30654be30,
                            0xd192e819d6ef5218,
                            0xd69906245565a910,
                            0xf40e35855771202a,
                            0x106aa07032bbd1b8,
                            0x19a4c116b8d2d0c8,
                            0x1e376c085141ab53,
                            0x2748774cdf8eeb99,
                            0x34b0bcb5e19b48a8,
                            0x391c0cb3c5c95a63,
                            0x4ed8aa4ae3418acb,
                            0x5b9cca4f7763e373,
                            0x682e6ff3d6b2b8a3,
                            0x748f82ee5defb2fc,
                            0x78a5636f43172f60,
                            0x84c87814a1f0ab72,
                            0x8cc702081a6439ec,
                            0x90befffa23631e28,
                            0xa4506cebde82bde9,
                            0xbef9a3f7b2c67915,
                            0xc67178f2e372532b,
                            0xca273eceea26619c,
                            0xd186b8c721c0c207,
                            0xeada7dd6cde0eb1e,
                            0xf57d4f7fee6ed178,
                            0x06f067aa72176fba,
                            0x0a637dc5a2c898a6,
                            0x113f9804bef90dae,
                            0x1b710b35131c471b,
                            0x28db77f523047d84,
                            0x32caab7b40c72493,
                            0x3c9ebe0a15c9bebc,
                            0x431d67c49c100d4c,
                            0x4cc5d4becb3e42b6,
                            0x597f299cfc657e2a,
                            0x5fcb6fab3ad6faec,
                            0x6c44198c4a475817];

/// Constants necessary for SHA-512 family of digests.
pub const K64X2: [u64x2; 40] = [u64x2(K64[1], K64[0]),
                                u64x2(K64[3], K64[2]),
                                u64x2(K64[5], K64[4]),
                                u64x2(K64[7], K64[6]),
                                u64x2(K64[9], K64[8]),
                                u64x2(K64[11], K64[10]),
                                u64x2(K64[13], K64[12]),
                                u64x2(K64[15], K64[14]),
                                u64x2(K64[17], K64[16]),
                                u64x2(K64[19], K64[18]),
                                u64x2(K64[21], K64[20]),
                                u64x2(K64[23], K64[22]),
                                u64x2(K64[25], K64[24]),
                                u64x2(K64[27], K64[26]),
                                u64x2(K64[29], K64[28]),
                                u64x2(K64[31], K64[30]),
                                u64x2(K64[33], K64[32]),
                                u64x2(K64[35], K64[34]),
                                u64x2(K64[37], K64[36]),
                                u64x2(K64[39], K64[38]),
                                u64x2(K64[41], K64[40]),
                                u64x2(K64[43], K64[42]),
                                u64x2(K64[45], K64[44]),
                                u64x2(K64[47], K64[46]),
                                u64x2(K64[49], K64[48]),
                                u64x2(K64[51], K64[50]),
                                u64x2(K64[53], K64[52]),
                                u64x2(K64[55], K64[54]),
                                u64x2(K64[57], K64[56]),
                                u64x2(K64[59], K64[58]),
                                u64x2(K64[61], K64[60]),
                                u64x2(K64[63], K64[62]),
                                u64x2(K64[65], K64[64]),
                                u64x2(K64[67], K64[66]),
                                u64x2(K64[69], K64[68]),
                                u64x2(K64[71], K64[70]),
                                u64x2(K64[73], K64[72]),
                                u64x2(K64[75], K64[74]),
                                u64x2(K64[77], K64[76]),
                                u64x2(K64[79], K64[78])];

pub static H224: [u32; STATE_LEN] = [0xc1059ed8, 0x367cd507, 0x3070dd17,
                                     0xf70e5939, 0xffc00b31, 0x68581511,
                                     0x64f98fa7, 0xbefa4fa4];

pub static H256: [u32; STATE_LEN] = [0x6a09e667, 0xbb67ae85, 0x3c6ef372,
                                     0xa54ff53a, 0x510e527f, 0x9b05688c,
                                     0x1f83d9ab, 0x5be0cd19];

pub static H384: [u64; STATE_LEN] = [0xcbbb9d5dc1059ed8, 0x629a292a367cd507,
                                     0x9159015a3070dd17, 0x152fecd8f70e5939,
                                     0x67332667ffc00b31, 0x8eb44a8768581511,
                                     0xdb0c2e0d64f98fa7, 0x47b5481dbefa4fa4];

pub static H512: [u64; STATE_LEN] = [0x6a09e667f3bcc908, 0xbb67ae8584caa73b,
                                     0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1,
                                     0x510e527fade682d1, 0x9b05688c2b3e6c1f,
                                     0x1f83d9abfb41bd6b, 0x5be0cd19137e2179];

pub static H512_TRUNC_224: [u64; STATE_LEN] = [0x8c3d37c819544da2,
                                               0x73e1996689dcd4d6,
                                               0x1dfab7ae32ff9c82,
                                               0x679dd514582f9fcf,
                                               0x0f6d2b697bd44da8,
                                               0x77e36f7304c48942,
                                               0x3f9d85a86a1d36c8,
                                               0x1112e6ad91d692a1];

pub static H512_TRUNC_256: [u64; STATE_LEN] = [0x22312194fc2bf72c,
                                               0x9f555fa3c84c64c2,
                                               0x2393b86b6f53b151,
                                               0x963877195940eabd,
                                               0x96283ee2a88effe3,
                                               0xbe5e1e2553863992,
                                               0x2b0199fc2c85b8aa,
                                               0x0eb72ddc81c52ca2];