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Date: Tue, 13 Jan 2009 16:59:41 +0100
From: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To: Herbert Xu <herbert@...dor.apana.org.au>
Cc: linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
Subject: [PATCH] crypto: testmgr - Add support for the pcomp interface
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
---
crypto/testmgr.c | 181 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
crypto/testmgr.h | 9 +++
2 files changed, 190 insertions(+), 0 deletions(-)
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index a75f11f..aad718f 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -72,6 +72,13 @@ struct comp_test_suite {
} comp, decomp;
};
+struct pcomp_test_suite {
+ struct {
+ struct pcomp_testvec *vecs;
+ unsigned int count;
+ } comp, decomp;
+};
+
struct hash_test_suite {
struct hash_testvec *vecs;
unsigned int count;
@@ -86,6 +93,7 @@ struct alg_test_desc {
struct aead_test_suite aead;
struct cipher_test_suite cipher;
struct comp_test_suite comp;
+ struct pcomp_test_suite pcomp;
struct hash_test_suite hash;
} suite;
};
@@ -898,6 +906,157 @@ out:
return ret;
}
+static int test_pcomp(struct crypto_pcomp *tfm,
+ struct pcomp_testvec *ctemplate,
+ struct pcomp_testvec *dtemplate, int ctcount,
+ int dtcount)
+{
+ const char *algo = crypto_tfm_alg_driver_name(crypto_pcomp_tfm(tfm));
+ unsigned int i;
+ char result[COMP_BUF_SIZE];
+ int error;
+
+ for (i = 0; i < ctcount; i++) {
+ struct comp_request req;
+
+ error = crypto_pcomp_setup(tfm, ctemplate[i].params);
+ if (error) {
+ pr_err("alg: pcomp: compression setup failed on test "
+ "%d for %s: error=%d\n", i + 1, algo, error);
+ return error;
+ }
+
+ error = crypto_pcomp_compress_init(tfm);
+ if (error) {
+ pr_err("alg: pcomp: compression init failed on test "
+ "%d for %s: error=%d\n", i + 1, algo, error);
+ return error;
+ }
+
+ memset(result, 0, sizeof(result));
+
+ req.next_in = ctemplate[i].input;
+ req.avail_in = ctemplate[i].inlen / 2;
+ req.next_out = result;
+ req.avail_out = ctemplate[i].outlen / 2;
+
+ error = crypto_pcomp_compress_update(tfm, &req);
+ if (error && (error != -EAGAIN || req.avail_in)) {
+ pr_err("alg: pcomp: compression update failed on test "
+ "%d for %s: error=%d\n", i + 1, algo, error);
+ return error;
+ }
+
+ /* Add remaining input data */
+ req.avail_in += (ctemplate[i].inlen + 1) / 2;
+
+ error = crypto_pcomp_compress_update(tfm, &req);
+ if (error && (error != -EAGAIN || req.avail_in)) {
+ pr_err("alg: pcomp: compression update failed on test "
+ "%d for %s: error=%d\n", i + 1, algo, error);
+ return error;
+ }
+
+ /* Provide remaining output space */
+ req.avail_out += COMP_BUF_SIZE - ctemplate[i].outlen / 2;
+
+ error = crypto_pcomp_compress_final(tfm, &req);
+ if (error) {
+ pr_err("alg: pcomp: compression final failed on test "
+ "%d for %s: error=%d\n", i + 1, algo, error);
+ return error;
+ }
+
+ if (COMP_BUF_SIZE - req.avail_out != ctemplate[i].outlen) {
+ pr_err("alg: comp: Compression test %d failed for %s: "
+ "output len = %d (expected %d)\n", i + 1, algo,
+ COMP_BUF_SIZE - req.avail_out,
+ ctemplate[i].outlen);
+ return -EINVAL;
+ }
+
+ if (memcmp(result, ctemplate[i].output, ctemplate[i].outlen)) {
+ pr_err("alg: pcomp: Compression test %d failed for "
+ "%s\n", i + 1, algo);
+ hexdump(result, ctemplate[i].outlen);
+ return -EINVAL;
+ }
+ }
+
+ for (i = 0; i < dtcount; i++) {
+ struct comp_request req;
+
+ error = crypto_pcomp_setup(tfm, dtemplate[i].params);
+ if (error) {
+ pr_err("alg: pcomp: decompression setup failed on "
+ "test %d for %s: error=%d\n", i + 1, algo,
+ error);
+ return error;
+ }
+
+ error = crypto_pcomp_decompress_init(tfm);
+ if (error) {
+ pr_err("alg: pcomp: decompression init failed on test "
+ "%d for %s: error=%d\n", i + 1, algo, error);
+ return error;
+ }
+
+ memset(result, 0, sizeof(result));
+
+ req.next_in = dtemplate[i].input;
+ req.avail_in = dtemplate[i].inlen / 2;
+ req.next_out = result;
+ req.avail_out = dtemplate[i].outlen / 2;
+
+ error = crypto_pcomp_decompress_update(tfm, &req);
+ if (error && (error != -EAGAIN || req.avail_in)) {
+ pr_err("alg: pcomp: decompression update failed on "
+ "test %d for %s: error=%d\n", i + 1, algo,
+ error);
+ return error;
+ }
+
+ /* Add remaining input data */
+ req.avail_in += (dtemplate[i].inlen + 1) / 2;
+
+ error = crypto_pcomp_decompress_update(tfm, &req);
+ if (error && (error != -EAGAIN || req.avail_in)) {
+ pr_err("alg: pcomp: decompression update failed on "
+ "test %d for %s: error=%d\n", i + 1, algo,
+ error);
+ return error;
+ }
+
+ /* Provide remaining output space */
+ req.avail_out += COMP_BUF_SIZE - dtemplate[i].outlen / 2;
+
+ error = crypto_pcomp_decompress_final(tfm, &req);
+ if (error && (error != -EAGAIN || req.avail_in)) {
+ pr_err("alg: pcomp: decompression final failed on "
+ "test %d for %s: error=%d\n", i + 1, algo,
+ error);
+ return error;
+ }
+
+ if (COMP_BUF_SIZE - req.avail_out != dtemplate[i].outlen) {
+ pr_err("alg: comp: Decompression test %d failed for "
+ "%s: output len = %d (expected %d)\n", i + 1,
+ algo, COMP_BUF_SIZE - req.avail_out,
+ dtemplate[i].outlen);
+ return -EINVAL;
+ }
+
+ if (memcmp(result, dtemplate[i].output, dtemplate[i].outlen)) {
+ pr_err("alg: pcomp: Decompression test %d failed for "
+ "%s\n", i + 1, algo);
+ hexdump(result, dtemplate[i].outlen);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
u32 type, u32 mask)
{
@@ -1007,6 +1166,28 @@ static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
return err;
}
+static int alg_test_pcomp(const struct alg_test_desc *desc, const char *driver,
+ u32 type, u32 mask)
+{
+ struct crypto_pcomp *tfm;
+ int err;
+
+ tfm = crypto_alloc_pcomp(driver, type, mask);
+ if (IS_ERR(tfm)) {
+ pr_err("alg: pcomp: Failed to load transform for %s: %ld\n",
+ driver, PTR_ERR(tfm));
+ return PTR_ERR(tfm);
+ }
+
+ err = test_pcomp(tfm, desc->suite.pcomp.comp.vecs,
+ desc->suite.pcomp.decomp.vecs,
+ desc->suite.pcomp.comp.count,
+ desc->suite.pcomp.decomp.count);
+
+ crypto_free_pcomp(tfm);
+ return err;
+}
+
static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
u32 type, u32 mask)
{
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 132953e..81b7eb0 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -15,6 +15,8 @@
#ifndef _CRYPTO_TESTMGR_H
#define _CRYPTO_TESTMGR_H
+#include <crypto/compress.h>
+
#define MAX_DIGEST_SIZE 64
#define MAX_TAP 8
@@ -8347,6 +8349,13 @@ struct comp_testvec {
char output[COMP_BUF_SIZE];
};
+struct pcomp_testvec {
+ const void *params;
+ int inlen, outlen;
+ char input[COMP_BUF_SIZE];
+ char output[COMP_BUF_SIZE];
+};
+
/*
* Deflate test vectors (null-terminated strings).
* Params: winbits=-11, Z_DEFAULT_COMPRESSION, MAX_MEM_LEVEL.
--
1.6.0.4
--
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