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authorB Stack <bgstack15@gmail.com>2019-07-15 23:54:24 -0400
committerB Stack <bgstack15@gmail.com>2019-07-15 23:54:24 -0400
commit91fad0b6c330c35129b069fab8bdf5c4ba479ddf (patch)
tree46587604ba44237161655b5b0aa946bf5ebf515d /openssl-freefilesync/openssl-1.1.1-fips-crng-test.patch
parentfreefilesync 10.14 rpm rc1 (diff)
downloadstackrpms-91fad0b6c330c35129b069fab8bdf5c4ba479ddf.tar.gz
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add openssl-freefilesync
Diffstat (limited to 'openssl-freefilesync/openssl-1.1.1-fips-crng-test.patch')
-rw-r--r--openssl-freefilesync/openssl-1.1.1-fips-crng-test.patch407
1 files changed, 407 insertions, 0 deletions
diff --git a/openssl-freefilesync/openssl-1.1.1-fips-crng-test.patch b/openssl-freefilesync/openssl-1.1.1-fips-crng-test.patch
new file mode 100644
index 0000000..91841f1
--- /dev/null
+++ b/openssl-freefilesync/openssl-1.1.1-fips-crng-test.patch
@@ -0,0 +1,407 @@
+diff -up openssl-1.1.1b/crypto/include/internal/rand_int.h.crng-test openssl-1.1.1b/crypto/include/internal/rand_int.h
+--- openssl-1.1.1b/crypto/include/internal/rand_int.h.crng-test 2019-05-07 08:56:33.242179136 +0200
++++ openssl-1.1.1b/crypto/include/internal/rand_int.h 2019-05-07 09:54:14.920204875 +0200
+@@ -49,6 +49,14 @@ size_t rand_drbg_get_additional_data(RAN
+
+ void rand_drbg_cleanup_additional_data(RAND_POOL *pool, unsigned char *out);
+
++/* CRNG test entropy filter callbacks. */
++size_t rand_crngt_get_entropy(RAND_DRBG *drbg,
++ unsigned char **pout,
++ int entropy, size_t min_len, size_t max_len,
++ int prediction_resistance);
++void rand_crngt_cleanup_entropy(RAND_DRBG *drbg,
++ unsigned char *out, size_t outlen);
++
+ /*
+ * RAND_POOL functions
+ */
+diff -up openssl-1.1.1b/crypto/rand/build.info.crng-test openssl-1.1.1b/crypto/rand/build.info
+--- openssl-1.1.1b/crypto/rand/build.info.crng-test 2019-05-07 09:54:14.921204857 +0200
++++ openssl-1.1.1b/crypto/rand/build.info 2019-05-07 09:55:22.730014705 +0200
+@@ -1,4 +1,4 @@
+ LIBS=../../libcrypto
+ SOURCE[../../libcrypto]=\
+- randfile.c rand_lib.c rand_err.c rand_egd.c \
++ randfile.c rand_lib.c rand_err.c rand_crng_test.c rand_egd.c \
+ rand_win.c rand_unix.c rand_vms.c drbg_lib.c drbg_ctr.c
+diff -up openssl-1.1.1b/crypto/rand/drbg_lib.c.crng-test openssl-1.1.1b/crypto/rand/drbg_lib.c
+--- openssl-1.1.1b/crypto/rand/drbg_lib.c.crng-test 2019-02-26 15:15:30.000000000 +0100
++++ openssl-1.1.1b/crypto/rand/drbg_lib.c 2019-05-07 10:04:51.753157224 +0200
+@@ -67,7 +67,7 @@ static CRYPTO_THREAD_LOCAL private_drbg;
+
+
+ /* NIST SP 800-90A DRBG recommends the use of a personalization string. */
+-static const char ossl_pers_string[] = "OpenSSL NIST SP 800-90A DRBG";
++static const char ossl_pers_string[] = DRBG_DEFAULT_PERS_STRING;
+
+ static CRYPTO_ONCE rand_drbg_init = CRYPTO_ONCE_STATIC_INIT;
+
+@@ -201,8 +201,13 @@ static RAND_DRBG *rand_drbg_new(int secu
+ drbg->parent = parent;
+
+ if (parent == NULL) {
++#ifdef OPENSSL_FIPS
++ drbg->get_entropy = rand_crngt_get_entropy;
++ drbg->cleanup_entropy = rand_crngt_cleanup_entropy;
++#else
+ drbg->get_entropy = rand_drbg_get_entropy;
+ drbg->cleanup_entropy = rand_drbg_cleanup_entropy;
++#endif
+ #ifndef RAND_DRBG_GET_RANDOM_NONCE
+ drbg->get_nonce = rand_drbg_get_nonce;
+ drbg->cleanup_nonce = rand_drbg_cleanup_nonce;
+diff -up openssl-1.1.1b/crypto/rand/rand_crng_test.c.crng-test openssl-1.1.1b/crypto/rand/rand_crng_test.c
+--- openssl-1.1.1b/crypto/rand/rand_crng_test.c.crng-test 2019-05-07 09:54:14.925204787 +0200
++++ openssl-1.1.1b/crypto/rand/rand_crng_test.c 2019-05-07 09:54:14.932204664 +0200
+@@ -0,0 +1,118 @@
++/*
++ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
++ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
++ *
++ * Licensed under the Apache License 2.0 (the "License"). You may not use
++ * this file except in compliance with the License. You can obtain a copy
++ * in the file LICENSE in the source distribution or at
++ * https://www.openssl.org/source/license.html
++ */
++
++/*
++ * Implementation of the FIPS 140-2 section 4.9.2 Conditional Tests.
++ */
++
++#include <string.h>
++#include <openssl/evp.h>
++#include "internal/rand_int.h"
++#include "internal/thread_once.h"
++#include "rand_lcl.h"
++
++static RAND_POOL *crngt_pool;
++static unsigned char crngt_prev[EVP_MAX_MD_SIZE];
++
++int (*crngt_get_entropy)(unsigned char *, unsigned char *, unsigned int *)
++ = &rand_crngt_get_entropy_cb;
++
++int rand_crngt_get_entropy_cb(unsigned char *buf, unsigned char *md,
++ unsigned int *md_size)
++{
++ int r;
++ size_t n;
++ unsigned char *p;
++
++ n = rand_pool_acquire_entropy(crngt_pool);
++ if (n >= CRNGT_BUFSIZ) {
++ p = rand_pool_detach(crngt_pool);
++ r = EVP_Digest(p, CRNGT_BUFSIZ, md, md_size, EVP_sha256(), NULL);
++ if (r != 0)
++ memcpy(buf, p, CRNGT_BUFSIZ);
++ rand_pool_reattach(crngt_pool, p);
++ return r;
++ }
++ return 0;
++}
++
++void rand_crngt_cleanup(void)
++{
++ rand_pool_free(crngt_pool);
++ crngt_pool = NULL;
++}
++
++int rand_crngt_init(void)
++{
++ unsigned char buf[CRNGT_BUFSIZ];
++
++ if ((crngt_pool = rand_pool_new(0, CRNGT_BUFSIZ, CRNGT_BUFSIZ)) == NULL)
++ return 0;
++ if (crngt_get_entropy(buf, crngt_prev, NULL)) {
++ OPENSSL_cleanse(buf, sizeof(buf));
++ return 1;
++ }
++ rand_crngt_cleanup();
++ return 0;
++}
++
++static CRYPTO_ONCE rand_crngt_init_flag = CRYPTO_ONCE_STATIC_INIT;
++DEFINE_RUN_ONCE_STATIC(do_rand_crngt_init)
++{
++ return OPENSSL_init_crypto(0, NULL)
++ && rand_crngt_init()
++ && OPENSSL_atexit(&rand_crngt_cleanup);
++}
++
++int rand_crngt_single_init(void)
++{
++ return RUN_ONCE(&rand_crngt_init_flag, do_rand_crngt_init);
++}
++
++size_t rand_crngt_get_entropy(RAND_DRBG *drbg,
++ unsigned char **pout,
++ int entropy, size_t min_len, size_t max_len,
++ int prediction_resistance)
++{
++ unsigned char buf[CRNGT_BUFSIZ], md[EVP_MAX_MD_SIZE];
++ unsigned int sz;
++ RAND_POOL *pool;
++ size_t q, r = 0, s, t = 0;
++ int attempts = 3;
++
++ if (!RUN_ONCE(&rand_crngt_init_flag, do_rand_crngt_init))
++ return 0;
++
++ if ((pool = rand_pool_new(entropy, min_len, max_len)) == NULL)
++ return 0;
++
++ while ((q = rand_pool_bytes_needed(pool, 1)) > 0 && attempts-- > 0) {
++ s = q > sizeof(buf) ? sizeof(buf) : q;
++ if (!crngt_get_entropy(buf, md, &sz)
++ || memcmp(crngt_prev, md, sz) == 0
++ || !rand_pool_add(pool, buf, s, s * 8))
++ goto err;
++ memcpy(crngt_prev, md, sz);
++ t += s;
++ attempts++;
++ }
++ r = t;
++ *pout = rand_pool_detach(pool);
++err:
++ OPENSSL_cleanse(buf, sizeof(buf));
++ rand_pool_free(pool);
++ return r;
++}
++
++void rand_crngt_cleanup_entropy(RAND_DRBG *drbg,
++ unsigned char *out, size_t outlen)
++{
++ OPENSSL_secure_clear_free(out, outlen);
++}
+diff -up openssl-1.1.1b/crypto/rand/rand_lcl.h.crng-test openssl-1.1.1b/crypto/rand/rand_lcl.h
+--- openssl-1.1.1b/crypto/rand/rand_lcl.h.crng-test 2019-05-07 08:56:33.330177674 +0200
++++ openssl-1.1.1b/crypto/rand/rand_lcl.h 2019-05-07 09:54:14.933204647 +0200
+@@ -33,7 +33,15 @@
+ # define MASTER_RESEED_TIME_INTERVAL (60*60) /* 1 hour */
+ # define SLAVE_RESEED_TIME_INTERVAL (7*60) /* 7 minutes */
+
+-
++/*
++ * The number of bytes that constitutes an atomic lump of entropy with respect
++ * to the FIPS 140-2 section 4.9.2 Conditional Tests. The size is somewhat
++ * arbitrary, the smaller the value, the less entropy is consumed on first
++ * read but the higher the probability of the test failing by accident.
++ *
++ * The value is in bytes.
++ */
++#define CRNGT_BUFSIZ 16
+
+ /*
+ * Maximum input size for the DRBG (entropy, nonce, personalization string)
+@@ -44,7 +52,8 @@
+ */
+ # define DRBG_MAX_LENGTH INT32_MAX
+
+-
++/* The default nonce */
++# define DRBG_DEFAULT_PERS_STRING "OpenSSL NIST SP 800-90A DRBG"
+
+ /*
+ * Maximum allocation size for RANDOM_POOL buffers
+@@ -290,4 +299,22 @@ int rand_drbg_enable_locking(RAND_DRBG *
+ /* initializes the AES-CTR DRBG implementation */
+ int drbg_ctr_init(RAND_DRBG *drbg);
+
++/*
++ * Entropy call back for the FIPS 140-2 section 4.9.2 Conditional Tests.
++ * These need to be exposed for the unit tests.
++ */
++int rand_crngt_get_entropy_cb(unsigned char *buf, unsigned char *md,
++ unsigned int *md_size);
++extern int (*crngt_get_entropy)(unsigned char *buf, unsigned char *md,
++ unsigned int *md_size);
++int rand_crngt_init(void);
++void rand_crngt_cleanup(void);
++
++/*
++ * Expose the run once initialisation function for the unit tests because.
++ * they need to restart from scratch to validate the first block is skipped
++ * properly.
++ */
++int rand_crngt_single_init(void);
++
+ #endif
+diff -up openssl-1.1.1b/test/drbgtest.c.crng-test openssl-1.1.1b/test/drbgtest.c
+--- openssl-1.1.1b/test/drbgtest.c.crng-test 2019-02-26 15:15:30.000000000 +0100
++++ openssl-1.1.1b/test/drbgtest.c 2019-05-07 10:06:24.706551561 +0200
+@@ -143,6 +143,31 @@ static size_t kat_nonce(RAND_DRBG *drbg,
+ return t->noncelen;
+ }
+
++ /*
++ * Disable CRNG testing if it is enabled.
++ * If the DRBG is ready or in an error state, this means an instantiate cycle
++ * for which the default personalisation string is used.
++ */
++static int disable_crngt(RAND_DRBG *drbg)
++{
++ static const char pers[] = DRBG_DEFAULT_PERS_STRING;
++ const int instantiate = drbg->state != DRBG_UNINITIALISED;
++
++ if (drbg->get_entropy != rand_crngt_get_entropy)
++ return 1;
++
++ if ((instantiate && !RAND_DRBG_uninstantiate(drbg))
++ || !TEST_true(RAND_DRBG_set_callbacks(drbg, &rand_drbg_get_entropy,
++ &rand_drbg_cleanup_entropy,
++ &rand_drbg_get_nonce,
++ &rand_drbg_cleanup_nonce))
++ || (instantiate
++ && !RAND_DRBG_instantiate(drbg, (const unsigned char *)pers,
++ sizeof(pers) - 1)))
++ return 0;
++ return 1;
++}
++
+ static int uninstantiate(RAND_DRBG *drbg)
+ {
+ int ret = drbg == NULL ? 1 : RAND_DRBG_uninstantiate(drbg);
+@@ -168,7 +193,8 @@ static int single_kat(DRBG_SELFTEST_DATA
+ if (!TEST_ptr(drbg = RAND_DRBG_new(td->nid, td->flags, NULL)))
+ return 0;
+ if (!TEST_true(RAND_DRBG_set_callbacks(drbg, kat_entropy, NULL,
+- kat_nonce, NULL))) {
++ kat_nonce, NULL))
++ || !TEST_true(disable_crngt(drbg))) {
+ failures++;
+ goto err;
+ }
+@@ -286,7 +312,8 @@ static int error_check(DRBG_SELFTEST_DAT
+ unsigned int reseed_counter_tmp;
+ int ret = 0;
+
+- if (!TEST_ptr(drbg = RAND_DRBG_new(0, 0, NULL)))
++ if (!TEST_ptr(drbg = RAND_DRBG_new(0, 0, NULL))
++ || !TEST_true(disable_crngt(drbg)))
+ goto err;
+
+ /*
+@@ -699,6 +726,10 @@ static int test_rand_drbg_reseed(void)
+ || !TEST_ptr_eq(private->parent, master))
+ return 0;
+
++ /* Disable CRNG testing for the master DRBG */
++ if (!TEST_true(disable_crngt(master)))
++ return 0;
++
+ /* uninstantiate the three global DRBGs */
+ RAND_DRBG_uninstantiate(private);
+ RAND_DRBG_uninstantiate(public);
+@@ -919,7 +950,8 @@ static int test_rand_seed(void)
+ size_t rand_buflen;
+ size_t required_seed_buflen = 0;
+
+- if (!TEST_ptr(master = RAND_DRBG_get0_master()))
++ if (!TEST_ptr(master = RAND_DRBG_get0_master())
++ || !TEST_true(disable_crngt(master)))
+ return 0;
+
+ #ifdef OPENSSL_RAND_SEED_NONE
+@@ -968,6 +1000,95 @@ static int test_rand_add(void)
+ return 1;
+ }
+
++/*
++ * A list of the FIPS DRGB types.
++ */
++static const struct s_drgb_types {
++ int nid;
++ int flags;
++} drgb_types[] = {
++ { NID_aes_128_ctr, 0 },
++ { NID_aes_192_ctr, 0 },
++ { NID_aes_256_ctr, 0 },
++};
++
++/* Six cases for each covers seed sizes up to 32 bytes */
++static const size_t crngt_num_cases = 6;
++
++static size_t crngt_case, crngt_idx;
++
++static int crngt_entropy_cb(unsigned char *buf, unsigned char *md,
++ unsigned int *md_size)
++{
++ size_t i, z;
++
++ if (!TEST_int_lt(crngt_idx, crngt_num_cases))
++ return 0;
++ /* Generate a block of unique data unless this is the duplication point */
++ z = crngt_idx++;
++ if (z > 0 && crngt_case == z)
++ z--;
++ for (i = 0; i < CRNGT_BUFSIZ; i++)
++ buf[i] = (unsigned char)(i + 'A' + z);
++ return EVP_Digest(buf, CRNGT_BUFSIZ, md, md_size, EVP_sha256(), NULL);
++}
++
++static int test_crngt(int n)
++{
++ const struct s_drgb_types *dt = drgb_types + n / crngt_num_cases;
++ RAND_DRBG *drbg = NULL;
++ unsigned char buff[100];
++ size_t ent;
++ int res = 0;
++ int expect;
++
++ if (!TEST_true(rand_crngt_single_init()))
++ return 0;
++ rand_crngt_cleanup();
++
++ if (!TEST_ptr(drbg = RAND_DRBG_new(dt->nid, dt->flags, NULL)))
++ return 0;
++ ent = (drbg->min_entropylen + CRNGT_BUFSIZ - 1) / CRNGT_BUFSIZ;
++ crngt_case = n % crngt_num_cases;
++ crngt_idx = 0;
++ crngt_get_entropy = &crngt_entropy_cb;
++ if (!TEST_true(rand_crngt_init()))
++ goto err;
++#ifndef OPENSSL_FIPS
++ if (!TEST_true(RAND_DRBG_set_callbacks(drbg, &rand_crngt_get_entropy,
++ &rand_crngt_cleanup_entropy,
++ &rand_drbg_get_nonce,
++ &rand_drbg_cleanup_nonce)))
++ goto err;
++#endif
++ expect = crngt_case == 0 || crngt_case > ent;
++ if (!TEST_int_eq(RAND_DRBG_instantiate(drbg, NULL, 0), expect))
++ goto err;
++ if (!expect)
++ goto fin;
++ if (!TEST_true(RAND_DRBG_generate(drbg, buff, sizeof(buff), 0, NULL, 0)))
++ goto err;
++
++ expect = crngt_case == 0 || crngt_case > 2 * ent;
++ if (!TEST_int_eq(RAND_DRBG_reseed(drbg, NULL, 0, 0), expect))
++ goto err;
++ if (!expect)
++ goto fin;
++ if (!TEST_true(RAND_DRBG_generate(drbg, buff, sizeof(buff), 0, NULL, 0)))
++ goto err;
++
++fin:
++ res = 1;
++err:
++ if (!res)
++ TEST_note("DRBG %zd case %zd block %zd", n / crngt_num_cases,
++ crngt_case, crngt_idx);
++ uninstantiate(drbg);
++ RAND_DRBG_free(drbg);
++ crngt_get_entropy = &rand_crngt_get_entropy_cb;
++ return res;
++}
++
+ int setup_tests(void)
+ {
+ app_data_index = RAND_DRBG_get_ex_new_index(0L, NULL, NULL, NULL, NULL);
+@@ -980,5 +1101,6 @@ int setup_tests(void)
+ #if defined(OPENSSL_THREADS)
+ ADD_TEST(test_multi_thread);
+ #endif
++ ADD_ALL_TESTS(test_crngt, crngt_num_cases * OSSL_NELEM(drgb_types));
+ return 1;
+ }
bgstack15