diff options
| -rw-r--r-- | crypto/testmgr.c | 153 |
1 files changed, 105 insertions, 48 deletions
diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 00f54d54fc4..941d75cd1f7 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -358,8 +358,9 @@ out_nobuf: return ret; } -static int test_aead(struct crypto_aead *tfm, int enc, - struct aead_testvec *template, unsigned int tcount) +static int __test_aead(struct crypto_aead *tfm, int enc, + struct aead_testvec *template, unsigned int tcount, + const bool diff_dst) { const char *algo = crypto_tfm_alg_driver_name(crypto_aead_tfm(tfm)); unsigned int i, j, k, n, temp; @@ -367,15 +368,18 @@ static int test_aead(struct crypto_aead *tfm, int enc, char *q; char *key; struct aead_request *req; - struct scatterlist sg[8]; - struct scatterlist asg[8]; - const char *e; + struct scatterlist *sg; + struct scatterlist *asg; + struct scatterlist *sgout; + const char *e, *d; struct tcrypt_result result; unsigned int authsize; void *input; + void *output; void *assoc; char iv[MAX_IVLEN]; char *xbuf[XBUFSIZE]; + char *xoutbuf[XBUFSIZE]; char *axbuf[XBUFSIZE]; if (testmgr_alloc_buf(xbuf)) @@ -383,6 +387,21 @@ static int test_aead(struct crypto_aead *tfm, int enc, if (testmgr_alloc_buf(axbuf)) goto out_noaxbuf; + if (diff_dst && testmgr_alloc_buf(xoutbuf)) + goto out_nooutbuf; + + /* avoid "the frame size is larger than 1024 bytes" compiler warning */ + sg = kmalloc(sizeof(*sg) * 8 * (diff_dst ? 3 : 2), GFP_KERNEL); + if (!sg) + goto out_nosg; + asg = &sg[8]; + sgout = &asg[8]; + + if (diff_dst) + d = "-ddst"; + else + d = ""; + if (enc == ENCRYPT) e = "encryption"; else @@ -392,8 +411,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, req = aead_request_alloc(tfm, GFP_KERNEL); if (!req) { - printk(KERN_ERR "alg: aead: Failed to allocate request for " - "%s\n", algo); + pr_err("alg: aead%s: Failed to allocate request for %s\n", + d, algo); goto out; } @@ -432,9 +451,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, ret = crypto_aead_setkey(tfm, key, template[i].klen); if (!ret == template[i].fail) { - printk(KERN_ERR "alg: aead: setkey failed on " - "test %d for %s: flags=%x\n", j, algo, - crypto_aead_get_flags(tfm)); + pr_err("alg: aead%s: setkey failed on test %d for %s: flags=%x\n", + d, j, algo, crypto_aead_get_flags(tfm)); goto out; } else if (ret) continue; @@ -442,18 +460,26 @@ static int test_aead(struct crypto_aead *tfm, int enc, authsize = abs(template[i].rlen - template[i].ilen); ret = crypto_aead_setauthsize(tfm, authsize); if (ret) { - printk(KERN_ERR "alg: aead: Failed to set " - "authsize to %u on test %d for %s\n", - authsize, j, algo); + pr_err("alg: aead%s: Failed to set authsize to %u on test %d for %s\n", + d, authsize, j, algo); goto out; } sg_init_one(&sg[0], input, template[i].ilen + (enc ? authsize : 0)); + if (diff_dst) { + output = xoutbuf[0]; + sg_init_one(&sgout[0], output, + template[i].ilen + + (enc ? authsize : 0)); + } else { + output = input; + } + sg_init_one(&asg[0], assoc, template[i].alen); - aead_request_set_crypt(req, sg, sg, + aead_request_set_crypt(req, sg, (diff_dst) ? sgout : sg, template[i].ilen, iv); aead_request_set_assoc(req, asg, template[i].alen); @@ -466,10 +492,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, case 0: if (template[i].novrfy) { /* verification was supposed to fail */ - printk(KERN_ERR "alg: aead: %s failed " - "on test %d for %s: ret was 0, " - "expected -EBADMSG\n", - e, j, algo); + pr_err("alg: aead%s: %s failed on test %d for %s: ret was 0, expected -EBADMSG\n", + d, e, j, algo); /* so really, we got a bad message */ ret = -EBADMSG; goto out; @@ -489,15 +513,15 @@ static int test_aead(struct crypto_aead *tfm, int enc, continue; /* fall through */ default: - printk(KERN_ERR "alg: aead: %s failed on test " - "%d for %s: ret=%d\n", e, j, algo, -ret); + pr_err("alg: aead%s: %s failed on test %d for %s: ret=%d\n", + d, e, j, algo, -ret); goto out; } - q = input; + q = output; if (memcmp(q, template[i].result, template[i].rlen)) { - printk(KERN_ERR "alg: aead: Test %d failed on " - "%s for %s\n", j, e, algo); + pr_err("alg: aead%s: Test %d failed on %s for %s\n", + d, j, e, algo); hexdump(q, template[i].rlen); ret = -EINVAL; goto out; @@ -522,9 +546,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, ret = crypto_aead_setkey(tfm, key, template[i].klen); if (!ret == template[i].fail) { - printk(KERN_ERR "alg: aead: setkey failed on " - "chunk test %d for %s: flags=%x\n", j, - algo, crypto_aead_get_flags(tfm)); + pr_err("alg: aead%s: setkey failed on chunk test %d for %s: flags=%x\n", + d, j, algo, crypto_aead_get_flags(tfm)); goto out; } else if (ret) continue; @@ -533,6 +556,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, ret = -EINVAL; sg_init_table(sg, template[i].np); + if (diff_dst) + sg_init_table(sgout, template[i].np); for (k = 0, temp = 0; k < template[i].np; k++) { if (WARN_ON(offset_in_page(IDX[k]) + template[i].tap[k] > PAGE_SIZE)) @@ -551,14 +576,26 @@ static int test_aead(struct crypto_aead *tfm, int enc, q[n] = 0; sg_set_buf(&sg[k], q, template[i].tap[k]); + + if (diff_dst) { + q = xoutbuf[IDX[k] >> PAGE_SHIFT] + + offset_in_page(IDX[k]); + + memset(q, 0, template[i].tap[k]); + if (offset_in_page(q) + n < PAGE_SIZE) + q[n] = 0; + + sg_set_buf(&sgout[k], q, + template[i].tap[k]); + } + temp += template[i].tap[k]; } ret = crypto_aead_setauthsize(tfm, authsize); if (ret) { - printk(KERN_ERR "alg: aead: Failed to set " - "authsize to %u on chunk test %d for " - "%s\n", authsize, j, algo); + pr_err("alg: aead%s: Failed to set authsize to %u on chunk test %d for %s\n", + d, authsize, j, algo); goto out; } @@ -571,6 +608,9 @@ static int test_aead(struct crypto_aead *tfm, int enc, } sg[k - 1].length += authsize; + + if (diff_dst) + sgout[k - 1].length += authsize; } sg_init_table(asg, template[i].anp); @@ -588,7 +628,7 @@ static int test_aead(struct crypto_aead *tfm, int enc, temp += template[i].atap[k]; } - aead_request_set_crypt(req, sg, sg, + aead_request_set_crypt(req, sg, (diff_dst) ? sgout : sg, template[i].ilen, iv); @@ -602,10 +642,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, case 0: if (template[i].novrfy) { /* verification was supposed to fail */ - printk(KERN_ERR "alg: aead: %s failed " - "on chunk test %d for %s: ret " - "was 0, expected -EBADMSG\n", - e, j, algo); + pr_err("alg: aead%s: %s failed on chunk test %d for %s: ret was 0, expected -EBADMSG\n", + d, e, j, algo); /* so really, we got a bad message */ ret = -EBADMSG; goto out; @@ -625,32 +663,35 @@ static int test_aead(struct crypto_aead *tfm, int enc, continue; /* fall through */ default: - printk(KERN_ERR "alg: aead: %s failed on " - "chunk test %d for %s: ret=%d\n", e, j, - algo, -ret); + pr_err("alg: aead%s: %s failed on chunk test %d for %s: ret=%d\n", + d, e, j, algo, -ret); goto out; } ret = -EINVAL; for (k = 0, temp = 0; k < template[i].np; k++) { - q = xbuf[IDX[k] >> PAGE_SHIFT] + - offset_in_page(IDX[k]); + if (diff_dst) + q = xoutbuf[IDX[k] >> PAGE_SHIFT] + + offset_in_page(IDX[k]); + else + q = xbuf[IDX[k] >> PAGE_SHIFT] + + offset_in_page(IDX[k]); n = template[i].tap[k]; if (k == template[i].np - 1) n += enc ? authsize : -authsize; if (memcmp(q, template[i].result + temp, n)) { - printk(KERN_ERR "alg: aead: Chunk " - "test %d failed on %s at page " - "%u for %s\n", j, e, k, algo); + pr_err("alg: aead%s: Chunk test %d failed on %s at page %u for %s\n", + d, j, e, k, algo); hexdump(q, n); goto out; } q += n; if (k == template[i].np - 1 && !enc) { - if (memcmp(q, template[i].input + + if (!diff_dst && + memcmp(q, template[i].input + temp + n, authsize)) n = authsize; else @@ -661,11 +702,8 @@ static int test_aead(struct crypto_aead *tfm, int enc, ; } if (n) { - printk(KERN_ERR "alg: aead: Result " - "buffer corruption in chunk " - "test %d on %s at page %u for " - "%s: %u bytes:\n", j, e, k, - algo, n); + pr_err("alg: aead%s: Result buffer corruption in chunk test %d on %s at page %u for %s: %u bytes:\n", + d, j, e, k, algo, n); hexdump(q, n); goto out; } @@ -679,6 +717,11 @@ static int test_aead(struct crypto_aead *tfm, int enc, out: aead_request_free(req); + kfree(sg); +out_nosg: + if (diff_dst) + testmgr_free_buf(xoutbuf); +out_nooutbuf: testmgr_free_buf(axbuf); out_noaxbuf: testmgr_free_buf(xbuf); @@ -686,6 +729,20 @@ out_noxbuf: return ret; } +static int test_aead(struct crypto_aead *tfm, int enc, + struct aead_testvec *template, unsigned int tcount) +{ + int ret; + + /* test 'dst == src' case */ + ret = __test_aead(tfm, enc, template, tcount, false); + if (ret) + return ret; + + /* test 'dst != src' case */ + return __test_aead(tfm, enc, template, tcount, true); +} + static int test_cipher(struct crypto_cipher *tfm, int enc, struct cipher_testvec *template, unsigned int tcount) { |