Module Name: src Committed By: martin Date: Mon Mar 25 14:14:56 UTC 2024
Modified Files: src/crypto/external/bsd/openssl/dist/crypto/evp [netbsd-10]: legacy_sha.c src/crypto/external/bsd/openssl/dist/include/crypto [netbsd-10]: sha.h src/crypto/external/bsd/openssl/dist/providers/implementations/digests [netbsd-10]: sha2_prov.c src/crypto/external/bsd/openssl/lib/libcrypto [netbsd-10]: libc-sha2xx.c src/distrib/sets/lists/debug [netbsd-10]: mi src/distrib/sets/lists/tests [netbsd-10]: mi src/tests/crypto/libcrypto [netbsd-10]: Makefile Added Files: src/tests/crypto/libcrypto [netbsd-10]: t_sha512trunc.c Log Message: Pull up following revision(s) (requested by riastradh in ticket #637): crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c: revision 1.2 tests/crypto/libcrypto/t_sha512trunc.c: revision 1.1 tests/crypto/libcrypto/t_sha512trunc.c: revision 1.2 tests/crypto/libcrypto/Makefile: revision 1.16 distrib/sets/lists/tests/mi: revision 1.1311 crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c: revision 1.2 distrib/sets/lists/debug/mi: revision 1.430 crypto/external/bsd/openssl/dist/include/crypto/sha.h: revision 1.2 crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c: revision 1.4 libcrypto: Add some trivial tests for truncated SHA-512 variants. These should use more of the test vectors from https://csrc.nist.gov/Projects/Cryptographic-Algorithm-Validation-Program/Secure-Hashing#Testing but this will do for now to detect the buffer overrun rake we left lying around for ourselves. PR lib/58039 libcrypto: Fix buffer overrun in truncated SHA-512 functions. Further fallout from the libc/openssl sha2 symbol collision. PR lib/58039 To generate a diff of this commit: cvs rdiff -u -r1.1.1.1.2.3 -r1.1.1.1.2.4 \ src/crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c cvs rdiff -u -r1.1.1.1.10.1 -r1.1.1.1.10.2 \ src/crypto/external/bsd/openssl/dist/include/crypto/sha.h cvs rdiff -u -r1.1.1.1.2.2 -r1.1.1.1.2.3 \ src/crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c cvs rdiff -u -r1.2.6.1 -r1.2.6.2 \ src/crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c cvs rdiff -u -r1.394.2.5 -r1.394.2.6 src/distrib/sets/lists/debug/mi cvs rdiff -u -r1.1238.2.5 -r1.1238.2.6 src/distrib/sets/lists/tests/mi cvs rdiff -u -r1.14.10.1 -r1.14.10.2 src/tests/crypto/libcrypto/Makefile cvs rdiff -u -r0 -r1.2.2.2 src/tests/crypto/libcrypto/t_sha512trunc.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c diff -u src/crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c:1.1.1.1.2.3 src/crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c:1.1.1.1.2.4 --- src/crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c:1.1.1.1.2.3 Thu Nov 2 19:32:10 2023 +++ src/crypto/external/bsd/openssl/dist/crypto/evp/legacy_sha.c Mon Mar 25 14:14:55 2024 @@ -49,9 +49,9 @@ static int nm##_init(EVP_MD_CTX *ctx) #define sha512_256_Init sha512_256_init #define sha512_224_Update SHA512_Update -#define sha512_224_Final SHA512_Final +#define sha512_224_Final sha512_224_final /* XXX NetBSD libc sha2 */ #define sha512_256_Update SHA512_Update -#define sha512_256_Final SHA512_Final +#define sha512_256_Final sha512_256_final /* XXX NetBSD libc sha2 */ IMPLEMENT_LEGACY_EVP_MD_METH(sha1, SHA1) IMPLEMENT_LEGACY_EVP_MD_METH(sha224, SHA224) Index: src/crypto/external/bsd/openssl/dist/include/crypto/sha.h diff -u src/crypto/external/bsd/openssl/dist/include/crypto/sha.h:1.1.1.1.10.1 src/crypto/external/bsd/openssl/dist/include/crypto/sha.h:1.1.1.1.10.2 --- src/crypto/external/bsd/openssl/dist/include/crypto/sha.h:1.1.1.1.10.1 Fri Aug 11 13:41:10 2023 +++ src/crypto/external/bsd/openssl/dist/include/crypto/sha.h Mon Mar 25 14:14:56 2024 @@ -16,6 +16,8 @@ int sha512_224_init(SHA512_CTX *); int sha512_256_init(SHA512_CTX *); +int sha512_224_final(unsigned char *, SHA512_CTX *); /* XXX NetBSD libc sha2 */ +int sha512_256_final(unsigned char *, SHA512_CTX *); /* XXX NetBSD libc sha2 */ int ossl_sha1_ctrl(SHA_CTX *ctx, int cmd, int mslen, void *ms); unsigned char *ossl_sha1(const unsigned char *d, size_t n, unsigned char *md); Index: src/crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c diff -u src/crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c:1.1.1.1.2.2 src/crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c:1.1.1.1.2.3 --- src/crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c:1.1.1.1.2.2 Fri Aug 11 13:41:18 2023 +++ src/crypto/external/bsd/openssl/dist/providers/implementations/digests/sha2_prov.c Mon Mar 25 14:14:54 2024 @@ -86,10 +86,12 @@ IMPLEMENT_digest_functions(sha512, SHA51 /* ossl_sha512_224_functions */ IMPLEMENT_digest_functions(sha512_224, SHA512_CTX, SHA512_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS, - sha512_224_init, SHA512_Update, SHA512_Final) + sha512_224_init, SHA512_Update, + /* XXX NetBSD libc sha2 */sha512_224_final) /* ossl_sha512_256_functions */ IMPLEMENT_digest_functions(sha512_256, SHA512_CTX, SHA512_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS, - sha512_256_init, SHA512_Update, SHA512_Final) + sha512_256_init, SHA512_Update, + /* XXX NetBSD libc sha2 */sha512_256_final) Index: src/crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c diff -u src/crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c:1.2.6.1 src/crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c:1.2.6.2 --- src/crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c:1.2.6.1 Fri Aug 11 13:41:55 2023 +++ src/crypto/external/bsd/openssl/lib/libcrypto/libc-sha2xx.c Mon Mar 25 14:14:56 2024 @@ -47,6 +47,20 @@ sha512_224_init(SHA512_CTX *context) } extern int +sha512_224_final(unsigned char *md, SHA512_CTX *context); +int +sha512_224_final(unsigned char *md, SHA512_CTX *context) +{ + unsigned char tmp[64]; + + SHA512_Final(tmp, context); + memcpy(md, tmp, 28); + explicit_memset(tmp, 0, sizeof(tmp)); + return 1; + +} + +extern int sha512_256_init(SHA512_CTX *context); int sha512_256_init(SHA512_CTX *context) @@ -61,3 +75,16 @@ sha512_256_init(SHA512_CTX *context) return 1; } + +extern int +sha512_256_final(unsigned char *md, SHA512_CTX *context); +int +sha512_256_final(unsigned char *md, SHA512_CTX *context) +{ + unsigned char tmp[64]; + + SHA512_Final(tmp, context); + memcpy(md, tmp, 32); + explicit_memset(tmp, 0, sizeof(tmp)); + return 1; +} Index: src/distrib/sets/lists/debug/mi diff -u src/distrib/sets/lists/debug/mi:1.394.2.5 src/distrib/sets/lists/debug/mi:1.394.2.6 --- src/distrib/sets/lists/debug/mi:1.394.2.5 Sun Feb 25 15:47:59 2024 +++ src/distrib/sets/lists/debug/mi Mon Mar 25 14:14:55 2024 @@ -1,4 +1,4 @@ -# $NetBSD: mi,v 1.394.2.5 2024/02/25 15:47:59 martin Exp $ +# $NetBSD: mi,v 1.394.2.6 2024/03/25 14:14:55 martin Exp $ ./etc/mtree/set.debug comp-sys-root ./usr/lib comp-sys-usr compatdir ./usr/lib/i18n/libBIG5_g.a comp-c-debuglib debuglib,compatfile @@ -1654,6 +1654,7 @@ ./usr/libdata/debug/usr/tests/crypto/libcrypto/h_srptest.debug tests-crypto-debug debug,atf,compattestfile ./usr/libdata/debug/usr/tests/crypto/libcrypto/h_threadstest.debug tests-crypto-debug debug,atf,compattestfile ./usr/libdata/debug/usr/tests/crypto/libcrypto/h_x509v3test.debug tests-crypto-debug debug,atf,compattestfile,openssl=10 +./usr/libdata/debug/usr/tests/crypto/libcrypto/t_sha512trunc.debug tests-crypto-debug debug,atf,compattestfile ./usr/libdata/debug/usr/tests/crypto/opencrypto/h_aescbc.debug tests-crypto-debug debug,atf,compattestfile ./usr/libdata/debug/usr/tests/crypto/opencrypto/h_aesctr1.debug tests-crypto-debug debug,atf,compattestfile ./usr/libdata/debug/usr/tests/crypto/opencrypto/h_aesctr2.debug tests-crypto-debug debug,atf,compattestfile Index: src/distrib/sets/lists/tests/mi diff -u src/distrib/sets/lists/tests/mi:1.1238.2.5 src/distrib/sets/lists/tests/mi:1.1238.2.6 --- src/distrib/sets/lists/tests/mi:1.1238.2.5 Tue Nov 28 13:17:11 2023 +++ src/distrib/sets/lists/tests/mi Mon Mar 25 14:14:55 2024 @@ -1,4 +1,4 @@ -# $NetBSD: mi,v 1.1238.2.5 2023/11/28 13:17:11 martin Exp $ +# $NetBSD: mi,v 1.1238.2.6 2024/03/25 14:14:55 martin Exp $ # # Note: don't delete entries from here - mark them as "obsolete" instead. # @@ -1465,6 +1465,7 @@ ./usr/tests/crypto/libcrypto/t_hashes tests-crypto-tests compattestfile,atf ./usr/tests/crypto/libcrypto/t_libcrypto tests-crypto-tests compattestfile,atf ./usr/tests/crypto/libcrypto/t_pubkey tests-crypto-tests compattestfile,atf +./usr/tests/crypto/libcrypto/t_sha512trunc tests-crypto-tests compattestfile,atf ./usr/tests/crypto/opencrypto tests-crypto-tests compattestfile,atf ./usr/tests/crypto/opencrypto/Atffile tests-crypto-tests compattestfile,atf ./usr/tests/crypto/opencrypto/Kyuafile tests-crypto-tests compattestfile,atf,kyua Index: src/tests/crypto/libcrypto/Makefile diff -u src/tests/crypto/libcrypto/Makefile:1.14.10.1 src/tests/crypto/libcrypto/Makefile:1.14.10.2 --- src/tests/crypto/libcrypto/Makefile:1.14.10.1 Fri Aug 11 13:43:42 2023 +++ src/tests/crypto/libcrypto/Makefile Mon Mar 25 14:14:55 2024 @@ -1,4 +1,4 @@ -# $NetBSD: Makefile,v 1.14.10.1 2023/08/11 13:43:42 martin Exp $ +# $NetBSD: Makefile,v 1.14.10.2 2024/03/25 14:14:55 martin Exp $ .include <bsd.own.mk> @@ -18,6 +18,10 @@ SUBDIR += lhash sha x509v3 TESTSDIR= ${TESTSBASE}/crypto/libcrypto +TESTS_C+= t_sha512trunc +DPADD.t_sha512trunc+= ${LIBCRYPTO} +LDADD.t_sha512trunc+= -lcrypto + .if ${HAVE_OPENSSL} == 10 TESTS_SH= t_certs .endif Added files: Index: src/tests/crypto/libcrypto/t_sha512trunc.c diff -u /dev/null src/tests/crypto/libcrypto/t_sha512trunc.c:1.2.2.2 --- /dev/null Mon Mar 25 14:14:56 2024 +++ src/tests/crypto/libcrypto/t_sha512trunc.c Mon Mar 25 14:14:55 2024 @@ -0,0 +1,170 @@ +/* $NetBSD: t_sha512trunc.c,v 1.2.2.2 2024/03/25 14:14:55 martin Exp $ */ + +/*- + * Copyright (c) 2024 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_sha512trunc.c,v 1.2.2.2 2024/03/25 14:14:55 martin Exp $"); + +#include <stddef.h> + +#include <atf-c.h> + +#include <openssl/evp.h> + +#include "h_macros.h" + +struct testcase { + const unsigned char in[128]; + size_t inlen; + const unsigned char out[32]; +}; + +static void +check(const struct testcase *C, size_t n, size_t digestlen, const EVP_MD *md) +{ + enum { C0 = 0xc0, C1 = 0xc1 }; + unsigned char *buf, *digest, *p0, *p1; + size_t i; + + ATF_REQUIRE_MSG(digestlen <= INT_MAX, "digestlen=%zu", digestlen); + ATF_REQUIRE_EQ_MSG((int)digestlen, EVP_MD_size(md), + "expected %d, got %d", (int)digestlen, EVP_MD_size(md)); + + ATF_REQUIRE_MSG(digestlen < SIZE_MAX - 2048, + "digestlen=%zu", digestlen); + REQUIRE_LIBC(buf = malloc(digestlen + 2048), NULL); + p0 = buf; + digest = buf + 1; + p1 = buf + 1 + digestlen; + + for (i = 0; i < n; i++) { + EVP_MD_CTX *ctx; + unsigned digestlen1; + + *p0 = C0; + *p1 = C1; + +#define REQUIRE(x) ATF_REQUIRE_MSG((x), "i=%zu", i) + REQUIRE(ctx = EVP_MD_CTX_new()); + REQUIRE(EVP_DigestInit_ex(ctx, md, NULL)); + REQUIRE(EVP_DigestUpdate(ctx, C->in, C->inlen)); + REQUIRE(EVP_DigestFinal_ex(ctx, digest, &digestlen1)); +#undef REQUIRE + ATF_CHECK_MSG(digestlen == digestlen1, + "i=%zu: expected %zu got %u", i, digestlen, digestlen1); + EVP_MD_CTX_free(ctx); + + ATF_CHECK_MSG(memcmp(digest, C->out, digestlen) == 0, + "i=%zu", i); + + ATF_CHECK_EQ_MSG(*p0, C0, "expected 0x%x got 0x%hhx", C0, *p0); + ATF_CHECK_EQ_MSG(*p1, C1, "expected 0x%x got 0x%hhx", C1, *p1); + } +} + +/* + * Test vectors from: + * + * https://csrc.nist.gov/Projects/Cryptographic-Algorithm-Validation-Program/Secure-Hashing#Testing + */ + +ATF_TC(sha512_224); +ATF_TC_HEAD(sha512_224, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test SHA512-224"); +} +ATF_TC_BODY(sha512_224, tc) +{ + static const struct testcase C[] = { + [0] = { + .inlen = 0, + .out = { + 0x6e,0xd0,0xdd,0x02, 0x80,0x6f,0xa8,0x9e, + 0x25,0xde,0x06,0x0c, 0x19,0xd3,0xac,0x86, + 0xca,0xbb,0x87,0xd6, 0xa0,0xdd,0xd0,0x5c, + 0x33,0x3b,0x84,0xf4, + }, + }, + [1] = { + .inlen = 1, + .in = { + 0xcf, + }, + .out = { + 0x41,0x99,0x23,0x9e, 0x87,0xd4,0x7b,0x6f, + 0xed,0xa0,0x16,0x80, 0x2b,0xf3,0x67,0xfb, + 0x6e,0x8b,0x56,0x55, 0xef,0xf6,0x22,0x5c, + 0xb2,0x66,0x8f,0x4a, + }, + }, + }; + + check(C, __arraycount(C), 28, EVP_sha512_224()); +} + +ATF_TC(sha512_256); +ATF_TC_HEAD(sha512_256, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test SHA512-256"); +} +ATF_TC_BODY(sha512_256, tc) +{ + static const struct testcase C[] = { + [0] = { + .inlen = 0, + .out = { + 0xc6,0x72,0xb8,0xd1, 0xef,0x56,0xed,0x28, + 0xab,0x87,0xc3,0x62, 0x2c,0x51,0x14,0x06, + 0x9b,0xdd,0x3a,0xd7, 0xb8,0xf9,0x73,0x74, + 0x98,0xd0,0xc0,0x1e, 0xce,0xf0,0x96,0x7a, + }, + }, + [1] = { + .inlen = 1, + .in = { + 0xfa, + }, + .out = { + 0xc4,0xef,0x36,0x92, 0x3c,0x64,0xe5,0x1e, + 0x87,0x57,0x20,0xe5, 0x50,0x29,0x8a,0x5a, + 0xb8,0xa3,0xf2,0xf8, 0x75,0xb1,0xe1,0xa4, + 0xc9,0xb9,0x5b,0xab, 0xf7,0x34,0x4f,0xef, + }, + }, + }; + + check(C, __arraycount(C), 32, EVP_sha512_256()); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, sha512_224); + ATF_TP_ADD_TC(tp, sha512_256); + + return atf_no_error(); +}