parallel-sphincsplus/test_sha512.cpp at main · sphincs/parallel-sphincsplus · GitHub

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#include <cstdio>
#include <stdbool.h>
#include <cstring>
#include "sha512.h"
#include "sha512avx.h"
#include "test_sphincs.h"

//
// This tests out the SHA512 primitive

static bool test( const unsigned char *expected_result,
                  const unsigned char *message,
                  unsigned len_message ) {
    slh_dsa::SHA512_CTX ctx;
    slh_dsa::sha512ctx4x ctx_avx;

    for (unsigned n = 1; n <= len_message; n++) {
        ctx.init();

        for (unsigned j=0; j<len_message; j+=n) {
            unsigned this_len = len_message - j;
            if (this_len > n) this_len = n;
            ctx.update( &message[j], this_len );
        }

        unsigned char actual_result[ slh_dsa::sha512_output_size ] = { 0 };
        ctx.final( actual_result );
        if (0 != memcmp( expected_result, actual_result,
                         slh_dsa::sha512_output_size )) {
            printf( "   *** HASH MISMATCH\n" );
            return false;
        }

        /* Now, test out the 4x version */
        for (int track = 0; track < 4; track++) {
            slh_dsa::sha512_init4x(&ctx_avx);
            unsigned char *dummy_buf = new unsigned char[len_message+4];
            for (unsigned i=0; i<len_message+4; i++)
                dummy_buf[i] = (unsigned char)i;
            const unsigned char *b0 = (track==0) ? message : dummy_buf+0;
            const unsigned char *b1 = (track==1) ? message : dummy_buf+0;
            const unsigned char *b2 = (track==2) ? message : dummy_buf+0;
            const unsigned char *b3 = (track==3) ? message : dummy_buf+0;

            for (unsigned j=0; j<len_message; j+=n) {
                unsigned this_len = len_message - j;
                if (this_len > n) this_len = n;
                slh_dsa::sha512_update4x(&ctx_avx, b0+j, b1+j, b2+j, b3+j, this_len );
            }

            delete[] dummy_buf;
            __m256i out0[2], out1[2], out2[2], out3[2];
            slh_dsa::sha512_final4x(&ctx_avx, out0, out1, out2, out3);
    	    void *out;
            switch (track) {
            case 0: out = out0; break;
            case 1: out = out1; break;
            case 2: out = out2; break;
            case 3: out = out3; break;
            default:
                printf( "   *** INTERNAL ERROR\n" );
                return false;
    	    }

            if (0 != memcmp( expected_result, out,
                             slh_dsa::sha512_output_size )) {
                printf( "   *** HASH MISMATCH track %d len %u n = %u\n", track, len_message, n );
                return false;
            }
        }
    }

    return true;
}

bool test_sha512(bool fast_flag, enum noise_level level) {
    (void)fast_flag;
    (void)level;

    // The below test vectors were extracted from NIST published values
    {
        static unsigned char message[ 3 ] = { 'a', 'b', 'c' };
        static unsigned char output[64] = {
            0xDD,0xAF,0x35,0xA1,0x93,0x61,0x7A,0xBA,
            0xCC,0x41,0x73,0x49,0xAE,0x20,0x41,0x31,
            0x12,0xE6,0xFA,0x4E,0x89,0xA9,0x7E,0xA2,
            0x0A,0x9E,0xEE,0xE6,0x4B,0x55,0xD3,0x9A,
            0x21,0x92,0x99,0x2A,0x27,0x4F,0xC1,0xA8,
            0x36,0xBA,0x3C,0x23,0xA3,0xFE,0xEB,0xBD,
            0x45,0x4D,0x44,0x23,0x64,0x3C,0xE8,0x0E,
            0x2A,0x9A,0xC9,0x4F,0xA5,0x4C,0xA4,0x9F,
        };
        if (!test( output, message, sizeof message )) return false;
    }
    {
        static unsigned char message[] =
            "abcdefghbcdefghicdefghijdefghijkefghijkl"
            "fghijklmghijklmnhijklmnoijklmnopjklmnopq"
            "klmnopqrlmnopqrsmnopqrstnopqrstu";
        static unsigned char output[64] = {
            0x8E,0x95,0x9B,0x75,0xDA,0xE3,0x13,0xDA,
            0x8C,0xF4,0xF7,0x28,0x14,0xFC,0x14,0x3F,
            0x8F,0x77,0x79,0xC6,0xEB,0x9F,0x7F,0xA1,
            0x72,0x99,0xAE,0xAD,0xB6,0x88,0x90,0x18,
            0x50,0x1D,0x28,0x9E,0x49,0x00,0xF7,0xE4,
            0x33,0x1B,0x99,0xDE,0xC4,0xB5,0x43,0x3A,
            0xC7,0xD3,0x29,0xEE,0xB6,0xDD,0x26,0x54,
            0x5E,0x96,0xE5,0x5B,0x87,0x4B,0xE9,0x09,
        };
        if (!test( output, message, sizeof message - 1 )) return false;
    }
    {
        static unsigned char message[111] = { 0 };
        static unsigned char output[64] = {
            0x77,0xdd,0xd3,0xa5,0x42,0xe5,0x30,0xfd,
            0x04,0x7b,0x89,0x77,0xc6,0x57,0xba,0x6c,
            0xe7,0x2f,0x14,0x92,0xe3,0x60,0xb2,0xb2,
            0x21,0x2c,0xd2,0x64,0xe7,0x5e,0xc0,0x38,
            0x82,0xe4,0xff,0x05,0x25,0x51,0x7a,0xb4,
            0x20,0x7d,0x14,0xc7,0x0c,0x22,0x59,0xba,
            0x88,0xd4,0xd3,0x35,0xee,0x0e,0x7e,0x20,
            0x54,0x3d,0x22,0x10,0x2a,0xb1,0x78,0x8c,
        };
        if (!test( output, message, sizeof message )) return false;
    }
    {
        static unsigned char message[112] = { 0 };
        static unsigned char output[64] = {
            0x2b,0xe2,0xe7,0x88,0xc8,0xa8,0xad,0xea,
            0xa9,0xc8,0x9a,0x7f,0x78,0x90,0x4c,0xac,
            0xea,0x6e,0x39,0x29,0x7d,0x75,0xe0,0x57,
            0x3a,0x73,0xc7,0x56,0x23,0x45,0x34,0xd6,
            0x62,0x7a,0xb4,0x15,0x6b,0x48,0xa6,0x65,
            0x7b,0x29,0xab,0x8b,0xeb,0x73,0x33,0x40,
            0x40,0xad,0x39,0xea,0xd8,0x14,0x46,0xbb,
            0x09,0xc7,0x07,0x04,0xec,0x70,0x79,0x52,
        };
        if (!test( output, message, sizeof message )) return false;
    }
    {
        static unsigned char message[113] = { 0 };
        static unsigned char output[64] = {
            0x0e,0x67,0x91,0x0b,0xcf,0x0f,0x9c,0xcd,
            0xe5,0x46,0x4c,0x63,0xb9,0xc8,0x50,0xa1,
            0x2a,0x75,0x92,0x27,0xd1,0x6b,0x04,0x0d,
            0x98,0x98,0x6d,0x54,0x25,0x3f,0x9f,0x34,
            0x32,0x23,0x18,0xe5,0x6b,0x8f,0xeb,0x86,
            0xc5,0xfb,0x22,0x70,0xed,0x87,0xf3,0x12,
            0x52,0xf7,0xf6,0x84,0x93,0xee,0x75,0x97,
            0x43,0x90,0x9b,0xd7,0x5e,0x4b,0xb5,0x44,
        };
        if (!test( output, message, sizeof message )) return false;
    }
    {
        static unsigned char message[1000] = { 0 };
        static unsigned char output[64] = {
            0xca,0x3d,0xff,0x61,0xbb,0x23,0x47,0x7a,
            0xa6,0x08,0x7b,0x27,0x50,0x82,0x64,0xa6,
            0xf9,0x12,0x6e,0xe3,0xa0,0x04,0xf5,0x3c,
            0xb8,0xdb,0x94,0x2e,0xd3,0x45,0xf2,0xf2,
            0xd2,0x29,0xb4,0xb5,0x9c,0x85,0x92,0x20,
            0xa1,0xcf,0x19,0x13,0xf3,0x42,0x48,0xe3,
            0x80,0x3b,0xab,0x65,0x0e,0x84,0x9a,0x3d,
            0x9a,0x70,0x9e,0xdc,0x09,0xae,0x4a,0x76,
        };
        if (!test( output, message, sizeof message )) return false;
    }

    return true;
}