[CRYPTO] tcrypt: Use HMAC template and hash interface
This patch converts tcrypt to use the new HMAC template rather than the hard-coded version of HMAC. It also converts all digest users to use the new cipher interface. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu
Родитель
0796ae061e
Коммит
e9d41164e2
381
crypto/tcrypt.c
381
crypto/tcrypt.c
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@ -88,9 +88,11 @@ static void test_hash(char *algo, struct hash_testvec *template,
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unsigned int i, j, k, temp;
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struct scatterlist sg[8];
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char result[64];
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struct crypto_tfm *tfm;
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struct crypto_hash *tfm;
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struct hash_desc desc;
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struct hash_testvec *hash_tv;
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unsigned int tsize;
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int ret;
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printk("\ntesting %s\n", algo);
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@ -104,27 +106,42 @@ static void test_hash(char *algo, struct hash_testvec *template,
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memcpy(tvmem, template, tsize);
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hash_tv = (void *)tvmem;
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tfm = crypto_alloc_tfm(algo, 0);
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if (tfm == NULL) {
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printk("failed to load transform for %s\n", algo);
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tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
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if (IS_ERR(tfm)) {
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printk("failed to load transform for %s: %ld\n", algo,
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PTR_ERR(tfm));
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return;
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}
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desc.tfm = tfm;
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desc.flags = 0;
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for (i = 0; i < tcount; i++) {
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printk("test %u:\n", i + 1);
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memset(result, 0, 64);
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sg_set_buf(&sg[0], hash_tv[i].plaintext, hash_tv[i].psize);
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crypto_digest_init(tfm);
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crypto_digest_setkey(tfm, hash_tv[i].key, hash_tv[i].ksize);
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crypto_digest_update(tfm, sg, 1);
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crypto_digest_final(tfm, result);
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if (hash_tv[i].ksize) {
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ret = crypto_hash_setkey(tfm, hash_tv[i].key,
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hash_tv[i].ksize);
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if (ret) {
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printk("setkey() failed ret=%d\n", ret);
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goto out;
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}
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}
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hexdump(result, crypto_tfm_alg_digestsize(tfm));
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ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, result);
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if (ret) {
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printk("digest () failed ret=%d\n", ret);
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goto out;
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}
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hexdump(result, crypto_hash_digestsize(tfm));
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printk("%s\n",
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memcmp(result, hash_tv[i].digest,
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crypto_tfm_alg_digestsize(tfm)) ?
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crypto_hash_digestsize(tfm)) ?
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"fail" : "pass");
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}
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@ -150,104 +167,34 @@ static void test_hash(char *algo, struct hash_testvec *template,
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hash_tv[i].tap[k]);
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}
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crypto_digest_digest(tfm, sg, hash_tv[i].np, result);
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if (hash_tv[i].ksize) {
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ret = crypto_hash_setkey(tfm, hash_tv[i].key,
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hash_tv[i].ksize);
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hexdump(result, crypto_tfm_alg_digestsize(tfm));
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printk("%s\n",
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memcmp(result, hash_tv[i].digest,
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crypto_tfm_alg_digestsize(tfm)) ?
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"fail" : "pass");
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}
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}
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crypto_free_tfm(tfm);
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}
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#ifdef CONFIG_CRYPTO_HMAC
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static void test_hmac(char *algo, struct hmac_testvec *template,
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unsigned int tcount)
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{
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unsigned int i, j, k, temp;
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struct scatterlist sg[8];
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char result[64];
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struct crypto_tfm *tfm;
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struct hmac_testvec *hmac_tv;
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unsigned int tsize, klen;
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tfm = crypto_alloc_tfm(algo, 0);
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if (tfm == NULL) {
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printk("failed to load transform for %s\n", algo);
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return;
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}
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printk("\ntesting hmac_%s\n", algo);
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tsize = sizeof(struct hmac_testvec);
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tsize *= tcount;
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if (tsize > TVMEMSIZE) {
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printk("template (%u) too big for tvmem (%u)\n", tsize,
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TVMEMSIZE);
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goto out;
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}
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memcpy(tvmem, template, tsize);
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hmac_tv = (void *)tvmem;
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for (i = 0; i < tcount; i++) {
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printk("test %u:\n", i + 1);
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memset(result, 0, sizeof (result));
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klen = hmac_tv[i].ksize;
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sg_set_buf(&sg[0], hmac_tv[i].plaintext, hmac_tv[i].psize);
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crypto_hmac(tfm, hmac_tv[i].key, &klen, sg, 1, result);
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hexdump(result, crypto_tfm_alg_digestsize(tfm));
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printk("%s\n",
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memcmp(result, hmac_tv[i].digest,
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crypto_tfm_alg_digestsize(tfm)) ? "fail" :
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"pass");
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}
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printk("\ntesting hmac_%s across pages\n", algo);
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memset(xbuf, 0, XBUFSIZE);
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j = 0;
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for (i = 0; i < tcount; i++) {
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if (hmac_tv[i].np) {
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j++;
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printk("test %u:\n",j);
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memset(result, 0, 64);
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temp = 0;
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klen = hmac_tv[i].ksize;
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for (k = 0; k < hmac_tv[i].np; k++) {
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memcpy(&xbuf[IDX[k]],
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hmac_tv[i].plaintext + temp,
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hmac_tv[i].tap[k]);
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temp += hmac_tv[i].tap[k];
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sg_set_buf(&sg[k], &xbuf[IDX[k]],
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hmac_tv[i].tap[k]);
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if (ret) {
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printk("setkey() failed ret=%d\n", ret);
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goto out;
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}
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}
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crypto_hmac(tfm, hmac_tv[i].key, &klen, sg,
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hmac_tv[i].np, result);
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hexdump(result, crypto_tfm_alg_digestsize(tfm));
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ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize,
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result);
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if (ret) {
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printk("digest () failed ret=%d\n", ret);
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goto out;
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}
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hexdump(result, crypto_hash_digestsize(tfm));
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printk("%s\n",
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memcmp(result, hmac_tv[i].digest,
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crypto_tfm_alg_digestsize(tfm)) ?
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memcmp(result, hash_tv[i].digest,
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crypto_hash_digestsize(tfm)) ?
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"fail" : "pass");
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}
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}
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out:
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crypto_free_tfm(tfm);
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}
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#endif /* CONFIG_CRYPTO_HMAC */
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out:
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crypto_free_hash(tfm);
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}
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static void test_cipher(char *algo, int enc,
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struct cipher_testvec *template, unsigned int tcount)
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@ -570,97 +517,202 @@ out:
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crypto_free_blkcipher(tfm);
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}
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static void test_digest_jiffies(struct crypto_tfm *tfm, char *p, int blen,
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int plen, char *out, int sec)
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static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
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char *out, int sec)
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{
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struct scatterlist sg[1];
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unsigned long start, end;
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int bcount, pcount;
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int bcount;
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int ret;
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for (start = jiffies, end = start + sec * HZ, bcount = 0;
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time_before(jiffies, end); bcount++) {
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crypto_digest_init(tfm);
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for (pcount = 0; pcount < blen; pcount += plen) {
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sg_set_buf(sg, p + pcount, plen);
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crypto_digest_update(tfm, sg, 1);
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}
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/* we assume there is enough space in 'out' for the result */
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crypto_digest_final(tfm, out);
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sg_set_buf(sg, p, blen);
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ret = crypto_hash_digest(desc, sg, blen, out);
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if (ret)
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return ret;
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}
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printk("%6u opers/sec, %9lu bytes/sec\n",
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bcount / sec, ((long)bcount * blen) / sec);
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return;
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return 0;
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}
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static void test_digest_cycles(struct crypto_tfm *tfm, char *p, int blen,
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int plen, char *out)
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static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
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int plen, char *out, int sec)
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{
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struct scatterlist sg[1];
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unsigned long start, end;
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int bcount, pcount;
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int ret;
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if (plen == blen)
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return test_hash_jiffies_digest(desc, p, blen, out, sec);
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for (start = jiffies, end = start + sec * HZ, bcount = 0;
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time_before(jiffies, end); bcount++) {
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ret = crypto_hash_init(desc);
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if (ret)
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return ret;
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for (pcount = 0; pcount < blen; pcount += plen) {
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sg_set_buf(sg, p + pcount, plen);
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ret = crypto_hash_update(desc, sg, plen);
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if (ret)
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return ret;
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}
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/* we assume there is enough space in 'out' for the result */
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ret = crypto_hash_final(desc, out);
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if (ret)
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return ret;
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}
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printk("%6u opers/sec, %9lu bytes/sec\n",
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bcount / sec, ((long)bcount * blen) / sec);
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return 0;
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}
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static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
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char *out)
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{
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struct scatterlist sg[1];
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unsigned long cycles = 0;
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int i, pcount;
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int i;
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int ret;
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local_bh_disable();
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local_irq_disable();
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/* Warm-up run. */
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for (i = 0; i < 4; i++) {
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crypto_digest_init(tfm);
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for (pcount = 0; pcount < blen; pcount += plen) {
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sg_set_buf(sg, p + pcount, plen);
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crypto_digest_update(tfm, sg, 1);
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}
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crypto_digest_final(tfm, out);
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sg_set_buf(sg, p, blen);
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ret = crypto_hash_digest(desc, sg, blen, out);
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if (ret)
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goto out;
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}
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/* The real thing. */
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for (i = 0; i < 8; i++) {
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cycles_t start, end;
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crypto_digest_init(tfm);
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start = get_cycles();
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for (pcount = 0; pcount < blen; pcount += plen) {
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sg_set_buf(sg, p + pcount, plen);
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crypto_digest_update(tfm, sg, 1);
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}
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crypto_digest_final(tfm, out);
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sg_set_buf(sg, p, blen);
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ret = crypto_hash_digest(desc, sg, blen, out);
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if (ret)
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goto out;
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end = get_cycles();
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cycles += end - start;
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}
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out:
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local_irq_enable();
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local_bh_enable();
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if (ret)
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return ret;
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printk("%6lu cycles/operation, %4lu cycles/byte\n",
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cycles / 8, cycles / (8 * blen));
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return;
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return 0;
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}
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static void test_digest_speed(char *algo, unsigned int sec,
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struct digest_speed *speed)
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static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
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int plen, char *out)
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{
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struct crypto_tfm *tfm;
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struct scatterlist sg[1];
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unsigned long cycles = 0;
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int i, pcount;
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int ret;
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if (plen == blen)
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return test_hash_cycles_digest(desc, p, blen, out);
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local_bh_disable();
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local_irq_disable();
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/* Warm-up run. */
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for (i = 0; i < 4; i++) {
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ret = crypto_hash_init(desc);
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if (ret)
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goto out;
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for (pcount = 0; pcount < blen; pcount += plen) {
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sg_set_buf(sg, p + pcount, plen);
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ret = crypto_hash_update(desc, sg, plen);
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if (ret)
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goto out;
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}
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crypto_hash_final(desc, out);
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if (ret)
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goto out;
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}
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/* The real thing. */
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for (i = 0; i < 8; i++) {
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cycles_t start, end;
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start = get_cycles();
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ret = crypto_hash_init(desc);
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if (ret)
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goto out;
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for (pcount = 0; pcount < blen; pcount += plen) {
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sg_set_buf(sg, p + pcount, plen);
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ret = crypto_hash_update(desc, sg, plen);
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if (ret)
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goto out;
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}
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ret = crypto_hash_final(desc, out);
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if (ret)
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goto out;
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end = get_cycles();
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cycles += end - start;
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}
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out:
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local_irq_enable();
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local_bh_enable();
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|
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if (ret)
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return ret;
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printk("%6lu cycles/operation, %4lu cycles/byte\n",
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cycles / 8, cycles / (8 * blen));
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return 0;
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}
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static void test_hash_speed(char *algo, unsigned int sec,
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struct hash_speed *speed)
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{
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struct crypto_hash *tfm;
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struct hash_desc desc;
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char output[1024];
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int i;
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int ret;
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printk("\ntesting speed of %s\n", algo);
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tfm = crypto_alloc_tfm(algo, 0);
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tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
|
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|
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if (tfm == NULL) {
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printk("failed to load transform for %s\n", algo);
|
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if (IS_ERR(tfm)) {
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printk("failed to load transform for %s: %ld\n", algo,
|
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PTR_ERR(tfm));
|
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return;
|
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}
|
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|
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if (crypto_tfm_alg_digestsize(tfm) > sizeof(output)) {
|
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desc.tfm = tfm;
|
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desc.flags = 0;
|
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|
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if (crypto_hash_digestsize(tfm) > sizeof(output)) {
|
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printk("digestsize(%u) > outputbuffer(%zu)\n",
|
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crypto_tfm_alg_digestsize(tfm), sizeof(output));
|
||||
crypto_hash_digestsize(tfm), sizeof(output));
|
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goto out;
|
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}
|
||||
|
||||
|
|
@ -677,13 +729,20 @@ static void test_digest_speed(char *algo, unsigned int sec,
|
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memset(tvmem, 0xff, speed[i].blen);
|
||||
|
||||
if (sec)
|
||||
test_digest_jiffies(tfm, tvmem, speed[i].blen, speed[i].plen, output, sec);
|
||||
ret = test_hash_jiffies(&desc, tvmem, speed[i].blen,
|
||||
speed[i].plen, output, sec);
|
||||
else
|
||||
test_digest_cycles(tfm, tvmem, speed[i].blen, speed[i].plen, output);
|
||||
ret = test_hash_cycles(&desc, tvmem, speed[i].blen,
|
||||
speed[i].plen, output);
|
||||
|
||||
if (ret) {
|
||||
printk("hashing failed ret=%d\n", ret);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
crypto_free_tfm(tfm);
|
||||
crypto_free_hash(tfm);
|
||||
}
|
||||
|
||||
static void test_deflate(void)
|
||||
|
|
@ -911,11 +970,12 @@ static void do_test(void)
|
|||
test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
|
||||
test_deflate();
|
||||
test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
|
||||
#ifdef CONFIG_CRYPTO_HMAC
|
||||
test_hmac("md5", hmac_md5_tv_template, HMAC_MD5_TEST_VECTORS);
|
||||
test_hmac("sha1", hmac_sha1_tv_template, HMAC_SHA1_TEST_VECTORS);
|
||||
test_hmac("sha256", hmac_sha256_tv_template, HMAC_SHA256_TEST_VECTORS);
|
||||
#endif
|
||||
test_hash("hmac(md5)", hmac_md5_tv_template,
|
||||
HMAC_MD5_TEST_VECTORS);
|
||||
test_hash("hmac(sha1)", hmac_sha1_tv_template,
|
||||
HMAC_SHA1_TEST_VECTORS);
|
||||
test_hash("hmac(sha256)", hmac_sha256_tv_template,
|
||||
HMAC_SHA256_TEST_VECTORS);
|
||||
|
||||
test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
|
||||
break;
|
||||
|
|
@ -1106,20 +1166,21 @@ static void do_test(void)
|
|||
XETA_DEC_TEST_VECTORS);
|
||||
break;
|
||||
|
||||
#ifdef CONFIG_CRYPTO_HMAC
|
||||
case 100:
|
||||
test_hmac("md5", hmac_md5_tv_template, HMAC_MD5_TEST_VECTORS);
|
||||
test_hash("hmac(md5)", hmac_md5_tv_template,
|
||||
HMAC_MD5_TEST_VECTORS);
|
||||
break;
|
||||
|
||||
case 101:
|
||||
test_hmac("sha1", hmac_sha1_tv_template, HMAC_SHA1_TEST_VECTORS);
|
||||
test_hash("hmac(sha1)", hmac_sha1_tv_template,
|
||||
HMAC_SHA1_TEST_VECTORS);
|
||||
break;
|
||||
|
||||
case 102:
|
||||
test_hmac("sha256", hmac_sha256_tv_template, HMAC_SHA256_TEST_VECTORS);
|
||||
test_hash("hmac(sha256)", hmac_sha256_tv_template,
|
||||
HMAC_SHA256_TEST_VECTORS);
|
||||
break;
|
||||
|
||||
#endif
|
||||
|
||||
case 200:
|
||||
test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
|
||||
|
|
@ -1188,51 +1249,51 @@ static void do_test(void)
|
|||
/* fall through */
|
||||
|
||||
case 301:
|
||||
test_digest_speed("md4", sec, generic_digest_speed_template);
|
||||
test_hash_speed("md4", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 302:
|
||||
test_digest_speed("md5", sec, generic_digest_speed_template);
|
||||
test_hash_speed("md5", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 303:
|
||||
test_digest_speed("sha1", sec, generic_digest_speed_template);
|
||||
test_hash_speed("sha1", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 304:
|
||||
test_digest_speed("sha256", sec, generic_digest_speed_template);
|
||||
test_hash_speed("sha256", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 305:
|
||||
test_digest_speed("sha384", sec, generic_digest_speed_template);
|
||||
test_hash_speed("sha384", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 306:
|
||||
test_digest_speed("sha512", sec, generic_digest_speed_template);
|
||||
test_hash_speed("sha512", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 307:
|
||||
test_digest_speed("wp256", sec, generic_digest_speed_template);
|
||||
test_hash_speed("wp256", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 308:
|
||||
test_digest_speed("wp384", sec, generic_digest_speed_template);
|
||||
test_hash_speed("wp384", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 309:
|
||||
test_digest_speed("wp512", sec, generic_digest_speed_template);
|
||||
test_hash_speed("wp512", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 310:
|
||||
test_digest_speed("tgr128", sec, generic_digest_speed_template);
|
||||
test_hash_speed("tgr128", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 311:
|
||||
test_digest_speed("tgr160", sec, generic_digest_speed_template);
|
||||
test_hash_speed("tgr160", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 312:
|
||||
test_digest_speed("tgr192", sec, generic_digest_speed_template);
|
||||
test_hash_speed("tgr192", sec, generic_hash_speed_template);
|
||||
if (mode > 300 && mode < 400) break;
|
||||
|
||||
case 399:
|
||||
|
|
|
|||
|
|
@ -36,16 +36,6 @@ struct hash_testvec {
|
|||
unsigned char ksize;
|
||||
};
|
||||
|
||||
struct hmac_testvec {
|
||||
char key[128];
|
||||
char plaintext[128];
|
||||
char digest[MAX_DIGEST_SIZE];
|
||||
unsigned char tap[MAX_TAP];
|
||||
unsigned char ksize;
|
||||
unsigned char psize;
|
||||
unsigned char np;
|
||||
};
|
||||
|
||||
struct cipher_testvec {
|
||||
char key[MAX_KEYLEN] __attribute__ ((__aligned__(4)));
|
||||
char iv[MAX_IVLEN];
|
||||
|
|
@ -65,7 +55,7 @@ struct cipher_speed {
|
|||
unsigned int blen;
|
||||
};
|
||||
|
||||
struct digest_speed {
|
||||
struct hash_speed {
|
||||
unsigned int blen; /* buffer length */
|
||||
unsigned int plen; /* per-update length */
|
||||
};
|
||||
|
|
@ -697,14 +687,13 @@ static struct hash_testvec tgr128_tv_template[] = {
|
|||
},
|
||||
};
|
||||
|
||||
#ifdef CONFIG_CRYPTO_HMAC
|
||||
/*
|
||||
* HMAC-MD5 test vectors from RFC2202
|
||||
* (These need to be fixed to not use strlen).
|
||||
*/
|
||||
#define HMAC_MD5_TEST_VECTORS 7
|
||||
|
||||
static struct hmac_testvec hmac_md5_tv_template[] =
|
||||
static struct hash_testvec hmac_md5_tv_template[] =
|
||||
{
|
||||
{
|
||||
.key = { [0 ... 15] = 0x0b },
|
||||
|
|
@ -768,7 +757,7 @@ static struct hmac_testvec hmac_md5_tv_template[] =
|
|||
*/
|
||||
#define HMAC_SHA1_TEST_VECTORS 7
|
||||
|
||||
static struct hmac_testvec hmac_sha1_tv_template[] = {
|
||||
static struct hash_testvec hmac_sha1_tv_template[] = {
|
||||
{
|
||||
.key = { [0 ... 19] = 0x0b },
|
||||
.ksize = 20,
|
||||
|
|
@ -833,7 +822,7 @@ static struct hmac_testvec hmac_sha1_tv_template[] = {
|
|||
*/
|
||||
#define HMAC_SHA256_TEST_VECTORS 10
|
||||
|
||||
static struct hmac_testvec hmac_sha256_tv_template[] = {
|
||||
static struct hash_testvec hmac_sha256_tv_template[] = {
|
||||
{
|
||||
.key = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
|
||||
|
|
@ -944,8 +933,6 @@ static struct hmac_testvec hmac_sha256_tv_template[] = {
|
|||
},
|
||||
};
|
||||
|
||||
#endif /* CONFIG_CRYPTO_HMAC */
|
||||
|
||||
/*
|
||||
* DES test vectors.
|
||||
*/
|
||||
|
|
@ -3160,7 +3147,7 @@ static struct cipher_speed des_speed_template[] = {
|
|||
/*
|
||||
* Digest speed tests
|
||||
*/
|
||||
static struct digest_speed generic_digest_speed_template[] = {
|
||||
static struct hash_speed generic_hash_speed_template[] = {
|
||||
{ .blen = 16, .plen = 16, },
|
||||
{ .blen = 64, .plen = 16, },
|
||||
{ .blen = 64, .plen = 64, },
|
||||
|
|
|
|||
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