xref: /isa-l_crypto/mh_sha256/mh_sha256_update_test.c (revision f6da0bf48af4a49143c2bd4ecaa976ae453273d6)

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  are met:
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      notice, this list of conditions and the following disclaimer.
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      contributors may be used to endorse or promote products derived
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  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#include <stdio.h>
#include <stdlib.h>
#include "isal_crypto_api.h"
#include "mh_sha256.h"

#define TEST_LEN  16 * 1024
#define TEST_SIZE 8 * 1024
#define TEST_MEM  TEST_LEN
#ifndef TEST_SEED
#define TEST_SEED 0x1234
#endif

#define str(s)  #s
#define xstr(s) str(s)

#define _FUNC_TOKEN(func, type) func##type
#define FUNC_TOKEN(func, type)  _FUNC_TOKEN(func, type)

#ifndef MH_SHA256_FUNC_TYPE
#define MH_SHA256_FUNC_TYPE
#endif

#define TEST_UPDATE_FUNCTION FUNC_TOKEN(isal_mh_sha256_update, MH_SHA256_FUNC_TYPE)
#define TEST_FINAL_FUNCTION  FUNC_TOKEN(isal_mh_sha256_finalize, MH_SHA256_FUNC_TYPE)

#define CHECK_RETURN(state)                                                                        \
        do {                                                                                       \
                if ((state) != ISAL_CRYPTO_ERR_NONE) {                                             \
                        printf("The mh_sha256 function is failed.\n");                             \
                        return 1;                                                                  \
                }                                                                                  \
        } while (0)

extern void
mh_sha256_ref(const void *buffer, uint32_t len, uint32_t *mh_sha256_digest);

// Generates pseudo-random data
void
rand_buffer(uint8_t *buf, long buffer_size)
{
        long i;
        for (i = 0; i < buffer_size; i++)
                buf[i] = rand();
}

void
dump(char *buf, int len)
{
        int i;
        for (i = 0; i < len;) {
                printf(" %2x", 0xff & buf[i++]);
                if (i % 20 == 0)
                        printf("\n");
        }
        if (i % 20 != 0)
                printf("\n");
}

int
compare_digests(uint32_t hash_ref[ISAL_SHA256_DIGEST_WORDS],
                uint32_t hash_test[ISAL_SHA256_DIGEST_WORDS])
{
        int i;
        int mh_sha256_fail = 0;

        for (i = 0; i < ISAL_SHA256_DIGEST_WORDS; i++) {
                if (hash_test[i] != hash_ref[i])
                        mh_sha256_fail++;
        }

        if (mh_sha256_fail) {
                printf("mh_sha256 fail test\n");
                printf("ref: ");
                dump((char *) hash_ref, 20);
                printf("test: ");
                dump((char *) hash_test, 20);
        }

        return mh_sha256_fail;
}

int
main(int argc, char *argv[])
{
        int fail = 0;
#ifndef FIPS_MODE
        uint32_t hash_test[ISAL_SHA256_DIGEST_WORDS], hash_ref[ISAL_SHA256_DIGEST_WORDS];
        uint8_t *buff = NULL;
        int i, update_count;
        int size1, size2, offset, addr_offset;
        struct isal_mh_sha256_ctx *update_ctx = NULL;
        uint8_t *mem_addr = NULL;

        printf(xstr(TEST_UPDATE_FUNCTION) "_test:");

        srand(TEST_SEED);

        buff = malloc(TEST_LEN);
        update_ctx = malloc(sizeof(*update_ctx));

        if (buff == NULL || update_ctx == NULL) {
                printf("malloc failed test aborted\n");
                goto end_ctx;
        }
        // Rand test1
        rand_buffer(buff, TEST_LEN);

        mh_sha256_ref(buff, TEST_LEN, hash_ref);

        CHECK_RETURN(isal_mh_sha256_init(update_ctx));
        CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff, TEST_LEN));
        CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test));

        fail = compare_digests(hash_ref, hash_test);

        if (fail) {
                printf("fail rand1 test\n");
                goto end_ctx;
        } else
                putchar('.');

        // Test various size messages by update twice.
        printf("\n various size messages by update twice tests");
        for (size1 = TEST_LEN; size1 >= 0; size1--) {

                // Fill with rand data
                rand_buffer(buff, TEST_LEN);

                mh_sha256_ref(buff, TEST_LEN, hash_ref);

                // subsequent update
                size2 = TEST_LEN - size1; // size2 is different with the former
                CHECK_RETURN(isal_mh_sha256_init(update_ctx));
                CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff, size1));
                CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff + size1, size2));
                CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test));

                fail = compare_digests(hash_ref, hash_test);

                if (fail) {
                        printf("Fail size1=%d\n", size1);
                        goto end_ctx;
                }

                if ((size2 & 0xff) == 0) {
                        putchar('.');
                        fflush(0);
                }
        }

        // Test various update count
        printf("\n various update count tests");
        for (update_count = 1; update_count <= TEST_LEN; update_count++) {

                // Fill with rand data
                rand_buffer(buff, TEST_LEN);

                mh_sha256_ref(buff, TEST_LEN, hash_ref);

                // subsequent update
                size1 = TEST_LEN / update_count;
                size2 = TEST_LEN - size1 * (update_count - 1); // size2 is different with the former

                CHECK_RETURN(isal_mh_sha256_init(update_ctx));
                for (i = 1, offset = 0; i < update_count; i++) {
                        CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff + offset, size1));
                        offset += size1;
                }
                CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff + offset, size2));
                CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test));

                fail = compare_digests(hash_ref, hash_test);

                if (fail) {
                        printf("Fail size1=%d\n", size1);
                        goto end_ctx;
                }

                if ((size2 & 0xff) == 0) {
                        putchar('.');
                        fflush(0);
                }
        }

        // test various start address of ctx.
        printf("\n various start address of ctx test");

        free(update_ctx);

        // test various start address of ctx.
        printf("\n various start address of ctx test");
        mem_addr = (uint8_t *) malloc(sizeof(*update_ctx) + ISAL_AVX512_ALIGNED * 10);
        if (mem_addr == NULL) {
                fail++;
                goto end;
        }

        for (addr_offset = ISAL_AVX512_ALIGNED * 10; addr_offset >= 0; addr_offset--) {

                // Fill with rand data
                rand_buffer(buff, TEST_LEN);

                mh_sha256_ref(buff, TEST_LEN, hash_ref);

                // a unaligned offset
                update_ctx = (struct isal_mh_sha256_ctx *) (mem_addr + addr_offset);
                CHECK_RETURN(isal_mh_sha256_init(update_ctx));
                CHECK_RETURN(TEST_UPDATE_FUNCTION(update_ctx, buff, TEST_LEN));
                CHECK_RETURN(TEST_FINAL_FUNCTION(update_ctx, hash_test));

                fail = compare_digests(hash_ref, hash_test);

                if (fail) {
                        printf("Fail addr_offset=%d\n", addr_offset);
                        goto end;
                }

                if ((addr_offset & 0xf) == 0) {
                        putchar('.');
                        fflush(0);
                }
        }
end:
        if (mem_addr != NULL)
                free(mem_addr);
        if (buff != NULL)
                free(buff);

        printf("\n" xstr(TEST_UPDATE_FUNCTION) "_test: %s\n", fail == 0 ? "Pass" : "Fail");
#else
        printf("Not Executed\n");
#endif /* FIPS_MODE */
        return fail;

#ifndef FIPS_MODE
end_ctx:
        if (update_ctx != NULL)
                free(update_ctx);
        goto end;
#endif
}