X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=crypto%2Ftestmgr.c;h=5c9d5a5e7b65182ed1f78b5c0332c5c9b2a328c1;hp=7d4acc4492338921dd1307c1cc4d4a252130b36a;hb=d05d7f40791c;hpb=aaa36d3a98e20b858438eb16cd5c81f27be6dfd5 diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 7d4acc449233..5c9d5a5e7b65 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -32,9 +32,14 @@ #include #include #include +#include #include "internal.h" +static bool notests; +module_param(notests, bool, 0644); +MODULE_PARM_DESC(notests, "disable crypto self-tests"); + #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS /* a perfect nop */ @@ -116,6 +121,11 @@ struct akcipher_test_suite { unsigned int count; }; +struct kpp_test_suite { + struct kpp_testvec *vecs; + unsigned int count; +}; + struct alg_test_desc { const char *alg; int (*test)(const struct alg_test_desc *desc, const char *driver, @@ -130,6 +140,7 @@ struct alg_test_desc { struct cprng_test_suite cprng; struct drbg_test_suite drbg; struct akcipher_test_suite akcipher; + struct kpp_test_suite kpp; } suite; }; @@ -1773,8 +1784,135 @@ static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver, } -static int do_test_rsa(struct crypto_akcipher *tfm, - struct akcipher_testvec *vecs) +static int do_test_kpp(struct crypto_kpp *tfm, struct kpp_testvec *vec, + const char *alg) +{ + struct kpp_request *req; + void *input_buf = NULL; + void *output_buf = NULL; + struct tcrypt_result result; + unsigned int out_len_max; + int err = -ENOMEM; + struct scatterlist src, dst; + + req = kpp_request_alloc(tfm, GFP_KERNEL); + if (!req) + return err; + + init_completion(&result.completion); + + err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size); + if (err < 0) + goto free_req; + + out_len_max = crypto_kpp_maxsize(tfm); + output_buf = kzalloc(out_len_max, GFP_KERNEL); + if (!output_buf) { + err = -ENOMEM; + goto free_req; + } + + /* Use appropriate parameter as base */ + kpp_request_set_input(req, NULL, 0); + sg_init_one(&dst, output_buf, out_len_max); + kpp_request_set_output(req, &dst, out_len_max); + kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + tcrypt_complete, &result); + + /* Compute public key */ + err = wait_async_op(&result, crypto_kpp_generate_public_key(req)); + if (err) { + pr_err("alg: %s: generate public key test failed. err %d\n", + alg, err); + goto free_output; + } + /* Verify calculated public key */ + if (memcmp(vec->expected_a_public, sg_virt(req->dst), + vec->expected_a_public_size)) { + pr_err("alg: %s: generate public key test failed. Invalid output\n", + alg); + err = -EINVAL; + goto free_output; + } + + /* Calculate shared secret key by using counter part (b) public key. */ + input_buf = kzalloc(vec->b_public_size, GFP_KERNEL); + if (!input_buf) { + err = -ENOMEM; + goto free_output; + } + + memcpy(input_buf, vec->b_public, vec->b_public_size); + sg_init_one(&src, input_buf, vec->b_public_size); + sg_init_one(&dst, output_buf, out_len_max); + kpp_request_set_input(req, &src, vec->b_public_size); + kpp_request_set_output(req, &dst, out_len_max); + kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + tcrypt_complete, &result); + err = wait_async_op(&result, crypto_kpp_compute_shared_secret(req)); + if (err) { + pr_err("alg: %s: compute shard secret test failed. err %d\n", + alg, err); + goto free_all; + } + /* + * verify shared secret from which the user will derive + * secret key by executing whatever hash it has chosen + */ + if (memcmp(vec->expected_ss, sg_virt(req->dst), + vec->expected_ss_size)) { + pr_err("alg: %s: compute shared secret test failed. Invalid output\n", + alg); + err = -EINVAL; + } + +free_all: + kfree(input_buf); +free_output: + kfree(output_buf); +free_req: + kpp_request_free(req); + return err; +} + +static int test_kpp(struct crypto_kpp *tfm, const char *alg, + struct kpp_testvec *vecs, unsigned int tcount) +{ + int ret, i; + + for (i = 0; i < tcount; i++) { + ret = do_test_kpp(tfm, vecs++, alg); + if (ret) { + pr_err("alg: %s: test failed on vector %d, err=%d\n", + alg, i + 1, ret); + return ret; + } + } + return 0; +} + +static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver, + u32 type, u32 mask) +{ + struct crypto_kpp *tfm; + int err = 0; + + tfm = crypto_alloc_kpp(driver, type | CRYPTO_ALG_INTERNAL, mask); + if (IS_ERR(tfm)) { + pr_err("alg: kpp: Failed to load tfm for %s: %ld\n", + driver, PTR_ERR(tfm)); + return PTR_ERR(tfm); + } + if (desc->suite.kpp.vecs) + err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs, + desc->suite.kpp.count); + + crypto_free_kpp(tfm); + return err; +} + +static int test_akcipher_one(struct crypto_akcipher *tfm, + struct akcipher_testvec *vecs) { char *xbuf[XBUFSIZE]; struct akcipher_request *req; @@ -1803,6 +1941,7 @@ static int do_test_rsa(struct crypto_akcipher *tfm, if (err) goto free_req; + err = -ENOMEM; out_len_max = crypto_akcipher_maxsize(tfm); outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); if (!outbuf_enc) @@ -1825,17 +1964,18 @@ static int do_test_rsa(struct crypto_akcipher *tfm, /* Run RSA encrypt - c = m^e mod n;*/ err = wait_async_op(&result, crypto_akcipher_encrypt(req)); if (err) { - pr_err("alg: rsa: encrypt test failed. err %d\n", err); + pr_err("alg: akcipher: encrypt test failed. err %d\n", err); goto free_all; } if (req->dst_len != vecs->c_size) { - pr_err("alg: rsa: encrypt test failed. Invalid output len\n"); + pr_err("alg: akcipher: encrypt test failed. Invalid output len\n"); err = -EINVAL; goto free_all; } /* verify that encrypted message is equal to expected */ if (memcmp(vecs->c, outbuf_enc, vecs->c_size)) { - pr_err("alg: rsa: encrypt test failed. Invalid output\n"); + pr_err("alg: akcipher: encrypt test failed. Invalid output\n"); + hexdump(outbuf_enc, vecs->c_size); err = -EINVAL; goto free_all; } @@ -1863,18 +2003,22 @@ static int do_test_rsa(struct crypto_akcipher *tfm, /* Run RSA decrypt - m = c^d mod n;*/ err = wait_async_op(&result, crypto_akcipher_decrypt(req)); if (err) { - pr_err("alg: rsa: decrypt test failed. err %d\n", err); + pr_err("alg: akcipher: decrypt test failed. err %d\n", err); goto free_all; } out_len = req->dst_len; - if (out_len != vecs->m_size) { - pr_err("alg: rsa: decrypt test failed. Invalid output len\n"); + if (out_len < vecs->m_size) { + pr_err("alg: akcipher: decrypt test failed. " + "Invalid output len %u\n", out_len); err = -EINVAL; goto free_all; } /* verify that decrypted message is equal to the original msg */ - if (memcmp(vecs->m, outbuf_dec, vecs->m_size)) { - pr_err("alg: rsa: decrypt test failed. Invalid output\n"); + if (memchr_inv(outbuf_dec, 0, out_len - vecs->m_size) || + memcmp(vecs->m, outbuf_dec + out_len - vecs->m_size, + vecs->m_size)) { + pr_err("alg: akcipher: decrypt test failed. Invalid output\n"); + hexdump(outbuf_dec, out_len); err = -EINVAL; } free_all: @@ -1887,28 +2031,22 @@ free_xbuf: return err; } -static int test_rsa(struct crypto_akcipher *tfm, struct akcipher_testvec *vecs, - unsigned int tcount) +static int test_akcipher(struct crypto_akcipher *tfm, const char *alg, + struct akcipher_testvec *vecs, unsigned int tcount) { + const char *algo = + crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm)); int ret, i; for (i = 0; i < tcount; i++) { - ret = do_test_rsa(tfm, vecs++); - if (ret) { - pr_err("alg: rsa: test failed on vector %d, err=%d\n", - i + 1, ret); - return ret; - } - } - return 0; -} - -static int test_akcipher(struct crypto_akcipher *tfm, const char *alg, - struct akcipher_testvec *vecs, unsigned int tcount) -{ - if (strncmp(alg, "rsa", 3) == 0) - return test_rsa(tfm, vecs, tcount); + ret = test_akcipher_one(tfm, vecs++); + if (!ret) + continue; + pr_err("alg: akcipher: test %d failed for %s, err=%d\n", + i + 1, algo, ret); + return ret; + } return 0; } @@ -2724,6 +2862,16 @@ static const struct alg_test_desc alg_test_descs[] = { } } } + }, { + .alg = "dh", + .test = alg_test_kpp, + .fips_allowed = 1, + .suite = { + .kpp = { + .vecs = dh_tv_template, + .count = DH_TEST_VECTORS + } + } }, { .alg = "digest_null", .test = alg_test_null, @@ -3152,6 +3300,16 @@ static const struct alg_test_desc alg_test_descs[] = { } } } + }, { + .alg = "ecdh", + .test = alg_test_kpp, + .fips_allowed = 1, + .suite = { + .kpp = { + .vecs = ecdh_tv_template, + .count = ECDH_TEST_VECTORS + } + } }, { .alg = "gcm(aes)", .test = alg_test_aead, @@ -3244,6 +3402,46 @@ static const struct alg_test_desc alg_test_descs[] = { .count = HMAC_SHA256_TEST_VECTORS } } + }, { + .alg = "hmac(sha3-224)", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = hmac_sha3_224_tv_template, + .count = HMAC_SHA3_224_TEST_VECTORS + } + } + }, { + .alg = "hmac(sha3-256)", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = hmac_sha3_256_tv_template, + .count = HMAC_SHA3_256_TEST_VECTORS + } + } + }, { + .alg = "hmac(sha3-384)", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = hmac_sha3_384_tv_template, + .count = HMAC_SHA3_384_TEST_VECTORS + } + } + }, { + .alg = "hmac(sha3-512)", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = hmac_sha3_512_tv_template, + .count = HMAC_SHA3_512_TEST_VECTORS + } + } }, { .alg = "hmac(sha384)", .test = alg_test_hash, @@ -3654,6 +3852,46 @@ static const struct alg_test_desc alg_test_descs[] = { .count = SHA256_TEST_VECTORS } } + }, { + .alg = "sha3-224", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = sha3_224_tv_template, + .count = SHA3_224_TEST_VECTORS + } + } + }, { + .alg = "sha3-256", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = sha3_256_tv_template, + .count = SHA3_256_TEST_VECTORS + } + } + }, { + .alg = "sha3-384", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = sha3_384_tv_template, + .count = SHA3_384_TEST_VECTORS + } + } + }, { + .alg = "sha3-512", + .test = alg_test_hash, + .fips_allowed = 1, + .suite = { + .hash = { + .vecs = sha3_512_tv_template, + .count = SHA3_512_TEST_VECTORS + } + } }, { .alg = "sha384", .test = alg_test_hash, @@ -3885,6 +4123,11 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask) int j; int rc; + if (!fips_enabled && notests) { + printk_once(KERN_INFO "alg: self-tests disabled\n"); + return 0; + } + alg_test_descs_check_order(); if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {