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author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-08-19 21:38:49 +1000 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2006-09-21 11:46:18 +1000 |
commit | e9d41164e2fdd897fe4520c2079ea0000f6e0ec3 (patch) | |
tree | da56da7216ac1cc7abc040b93ed6a358d374ef71 /crypto | |
parent | 0796ae061e6da5de7cfc1af57dfd42a73908b1bf (diff) | |
download | kernel_samsung_espresso10-e9d41164e2fdd897fe4520c2079ea0000f6e0ec3.zip kernel_samsung_espresso10-e9d41164e2fdd897fe4520c2079ea0000f6e0ec3.tar.gz kernel_samsung_espresso10-e9d41164e2fdd897fe4520c2079ea0000f6e0ec3.tar.bz2 |
[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>
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/tcrypt.c | 355 | ||||
-rw-r--r-- | crypto/tcrypt.h | 23 |
2 files changed, 213 insertions, 165 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 5e22780..840ab8b 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -88,9 +88,11 @@ static void test_hash(char *algo, struct hash_testvec *template, unsigned int i, j, k, temp; struct scatterlist sg[8]; char result[64]; - struct crypto_tfm *tfm; + struct crypto_hash *tfm; + struct hash_desc desc; struct hash_testvec *hash_tv; unsigned int tsize; + int ret; printk("\ntesting %s\n", algo); @@ -104,27 +106,42 @@ static void test_hash(char *algo, struct hash_testvec *template, memcpy(tvmem, template, tsize); hash_tv = (void *)tvmem; - tfm = crypto_alloc_tfm(algo, 0); - if (tfm == NULL) { - printk("failed to load transform for %s\n", algo); + + tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) { + printk("failed to load transform for %s: %ld\n", algo, + PTR_ERR(tfm)); return; } + desc.tfm = tfm; + desc.flags = 0; + for (i = 0; i < tcount; i++) { printk("test %u:\n", i + 1); memset(result, 0, 64); sg_set_buf(&sg[0], hash_tv[i].plaintext, hash_tv[i].psize); - crypto_digest_init(tfm); - crypto_digest_setkey(tfm, hash_tv[i].key, hash_tv[i].ksize); - crypto_digest_update(tfm, sg, 1); - crypto_digest_final(tfm, result); + if (hash_tv[i].ksize) { + ret = crypto_hash_setkey(tfm, hash_tv[i].key, + hash_tv[i].ksize); + if (ret) { + printk("setkey() failed ret=%d\n", ret); + goto out; + } + } + + ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, result); + if (ret) { + printk("digest () failed ret=%d\n", ret); + goto out; + } - hexdump(result, crypto_tfm_alg_digestsize(tfm)); + hexdump(result, crypto_hash_digestsize(tfm)); printk("%s\n", memcmp(result, hash_tv[i].digest, - crypto_tfm_alg_digestsize(tfm)) ? + crypto_hash_digestsize(tfm)) ? "fail" : "pass"); } @@ -150,105 +167,35 @@ static void test_hash(char *algo, struct hash_testvec *template, hash_tv[i].tap[k]); } - crypto_digest_digest(tfm, sg, hash_tv[i].np, result); - - hexdump(result, crypto_tfm_alg_digestsize(tfm)); - printk("%s\n", - memcmp(result, hash_tv[i].digest, - crypto_tfm_alg_digestsize(tfm)) ? - "fail" : "pass"); - } - } - - crypto_free_tfm(tfm); -} - - -#ifdef CONFIG_CRYPTO_HMAC - -static void test_hmac(char *algo, struct hmac_testvec *template, - unsigned int tcount) -{ - unsigned int i, j, k, temp; - struct scatterlist sg[8]; - char result[64]; - struct crypto_tfm *tfm; - struct hmac_testvec *hmac_tv; - unsigned int tsize, klen; - - tfm = crypto_alloc_tfm(algo, 0); - if (tfm == NULL) { - printk("failed to load transform for %s\n", algo); - return; - } - - printk("\ntesting hmac_%s\n", algo); + if (hash_tv[i].ksize) { + ret = crypto_hash_setkey(tfm, hash_tv[i].key, + hash_tv[i].ksize); - tsize = sizeof(struct hmac_testvec); - tsize *= tcount; - if (tsize > TVMEMSIZE) { - printk("template (%u) too big for tvmem (%u)\n", tsize, - TVMEMSIZE); - goto out; - } - - memcpy(tvmem, template, tsize); - hmac_tv = (void *)tvmem; - - for (i = 0; i < tcount; i++) { - printk("test %u:\n", i + 1); - memset(result, 0, sizeof (result)); - - klen = hmac_tv[i].ksize; - sg_set_buf(&sg[0], hmac_tv[i].plaintext, hmac_tv[i].psize); - - crypto_hmac(tfm, hmac_tv[i].key, &klen, sg, 1, result); - - hexdump(result, crypto_tfm_alg_digestsize(tfm)); - printk("%s\n", - memcmp(result, hmac_tv[i].digest, - crypto_tfm_alg_digestsize(tfm)) ? "fail" : - "pass"); - } - - printk("\ntesting hmac_%s across pages\n", algo); - - memset(xbuf, 0, XBUFSIZE); - - j = 0; - for (i = 0; i < tcount; i++) { - if (hmac_tv[i].np) { - j++; - printk("test %u:\n",j); - memset(result, 0, 64); - - temp = 0; - klen = hmac_tv[i].ksize; - for (k = 0; k < hmac_tv[i].np; k++) { - memcpy(&xbuf[IDX[k]], - hmac_tv[i].plaintext + temp, - hmac_tv[i].tap[k]); - temp += hmac_tv[i].tap[k]; - sg_set_buf(&sg[k], &xbuf[IDX[k]], - hmac_tv[i].tap[k]); + if (ret) { + printk("setkey() failed ret=%d\n", ret); + goto out; + } } - crypto_hmac(tfm, hmac_tv[i].key, &klen, sg, - hmac_tv[i].np, result); - hexdump(result, crypto_tfm_alg_digestsize(tfm)); + ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, + result); + if (ret) { + printk("digest () failed ret=%d\n", ret); + goto out; + } + hexdump(result, crypto_hash_digestsize(tfm)); printk("%s\n", - memcmp(result, hmac_tv[i].digest, - crypto_tfm_alg_digestsize(tfm)) ? + memcmp(result, hash_tv[i].digest, + crypto_hash_digestsize(tfm)) ? "fail" : "pass"); } } + out: - crypto_free_tfm(tfm); + crypto_free_hash(tfm); } -#endif /* CONFIG_CRYPTO_HMAC */ - static void test_cipher(char *algo, int enc, struct cipher_testvec *template, unsigned int tcount) { @@ -570,97 +517,202 @@ out: crypto_free_blkcipher(tfm); } -static void test_digest_jiffies(struct crypto_tfm *tfm, char *p, int blen, - int plen, char *out, int sec) +static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen, + char *out, int sec) +{ + struct scatterlist sg[1]; + unsigned long start, end; + int bcount; + int ret; + + for (start = jiffies, end = start + sec * HZ, bcount = 0; + time_before(jiffies, end); bcount++) { + sg_set_buf(sg, p, blen); + ret = crypto_hash_digest(desc, sg, blen, out); + if (ret) + return ret; + } + + printk("%6u opers/sec, %9lu bytes/sec\n", + bcount / sec, ((long)bcount * blen) / sec); + + return 0; +} + +static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen, + int plen, char *out, int sec) { struct scatterlist sg[1]; unsigned long start, end; int bcount, pcount; + int ret; + + if (plen == blen) + return test_hash_jiffies_digest(desc, p, blen, out, sec); for (start = jiffies, end = start + sec * HZ, bcount = 0; time_before(jiffies, end); bcount++) { - crypto_digest_init(tfm); + ret = crypto_hash_init(desc); + if (ret) + return ret; for (pcount = 0; pcount < blen; pcount += plen) { sg_set_buf(sg, p + pcount, plen); - crypto_digest_update(tfm, sg, 1); + ret = crypto_hash_update(desc, sg, plen); + if (ret) + return ret; } /* we assume there is enough space in 'out' for the result */ - crypto_digest_final(tfm, out); + ret = crypto_hash_final(desc, out); + if (ret) + return ret; } printk("%6u opers/sec, %9lu bytes/sec\n", bcount / sec, ((long)bcount * blen) / sec); - return; + return 0; +} + +static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen, + char *out) +{ + struct scatterlist sg[1]; + unsigned long cycles = 0; + int i; + int ret; + + local_bh_disable(); + local_irq_disable(); + + /* Warm-up run. */ + for (i = 0; i < 4; i++) { + sg_set_buf(sg, p, blen); + ret = crypto_hash_digest(desc, sg, blen, out); + if (ret) + goto out; + } + + /* The real thing. */ + for (i = 0; i < 8; i++) { + cycles_t start, end; + + start = get_cycles(); + + sg_set_buf(sg, p, blen); + ret = crypto_hash_digest(desc, sg, blen, out); + if (ret) + goto out; + + end = get_cycles(); + + cycles += end - start; + } + +out: + local_irq_enable(); + local_bh_enable(); + + if (ret) + return ret; + + printk("%6lu cycles/operation, %4lu cycles/byte\n", + cycles / 8, cycles / (8 * blen)); + + return 0; } -static void test_digest_cycles(struct crypto_tfm *tfm, char *p, int blen, - int plen, char *out) +static int test_hash_cycles(struct hash_desc *desc, char *p, int blen, + int plen, char *out) { struct scatterlist sg[1]; unsigned long cycles = 0; int i, pcount; + int ret; + + if (plen == blen) + return test_hash_cycles_digest(desc, p, blen, out); local_bh_disable(); local_irq_disable(); /* Warm-up run. */ for (i = 0; i < 4; i++) { - crypto_digest_init(tfm); + ret = crypto_hash_init(desc); + if (ret) + goto out; for (pcount = 0; pcount < blen; pcount += plen) { sg_set_buf(sg, p + pcount, plen); - crypto_digest_update(tfm, sg, 1); + ret = crypto_hash_update(desc, sg, plen); + if (ret) + goto out; } - crypto_digest_final(tfm, out); + crypto_hash_final(desc, out); + if (ret) + goto out; } /* The real thing. */ for (i = 0; i < 8; i++) { cycles_t start, end; - crypto_digest_init(tfm); - start = get_cycles(); + ret = crypto_hash_init(desc); + if (ret) + goto out; for (pcount = 0; pcount < blen; pcount += plen) { sg_set_buf(sg, p + pcount, plen); - crypto_digest_update(tfm, sg, 1); + ret = crypto_hash_update(desc, sg, plen); + if (ret) + goto out; } - crypto_digest_final(tfm, out); + ret = crypto_hash_final(desc, out); + if (ret) + goto out; end = get_cycles(); cycles += end - start; } +out: local_irq_enable(); local_bh_enable(); + if (ret) + return ret; + printk("%6lu cycles/operation, %4lu cycles/byte\n", cycles / 8, cycles / (8 * blen)); - return; + return 0; } -static void test_digest_speed(char *algo, unsigned int sec, - struct digest_speed *speed) +static void test_hash_speed(char *algo, unsigned int sec, + struct hash_speed *speed) { - struct crypto_tfm *tfm; + struct crypto_hash *tfm; + struct hash_desc desc; char output[1024]; int i; + int ret; printk("\ntesting speed of %s\n", algo); - tfm = crypto_alloc_tfm(algo, 0); + tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC); - if (tfm == NULL) { - printk("failed to load transform for %s\n", algo); + if (IS_ERR(tfm)) { + printk("failed to load transform for %s: %ld\n", algo, + PTR_ERR(tfm)); return; } - if (crypto_tfm_alg_digestsize(tfm) > sizeof(output)) { + desc.tfm = tfm; + desc.flags = 0; + + if (crypto_hash_digestsize(tfm) > sizeof(output)) { printk("digestsize(%u) > outputbuffer(%zu)\n", - crypto_tfm_alg_digestsize(tfm), sizeof(output)); + crypto_hash_digestsize(tfm), sizeof(output)); goto out; } @@ -677,13 +729,20 @@ static void test_digest_speed(char *algo, unsigned int sec, 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: diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h index 408d5aa..a40c441 100644 --- a/crypto/tcrypt.h +++ b/crypto/tcrypt.h @@ -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, }, |