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openssl-FIPS-Use-digest_sign-digest_verify-in-s...
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File openssl-FIPS-Use-digest_sign-digest_verify-in-self-test.patch of Package openssl-3
From dc41625dc4a793f0e21188165711181ca085339b Mon Sep 17 00:00:00 2001 From: rpm-build <rpm-build> Date: Wed, 6 Mar 2024 19:17:16 +0100 Subject: [PATCH 28/49] 0074-FIPS-Use-digest_sign-digest_verify-in-self-test.patch Patch-name: 0074-FIPS-Use-digest_sign-digest_verify-in-self-test.patch Patch-id: 74 Patch-status: | # [PATCH 29/46] # 0074-FIPS-Use-digest_sign-digest_verify-in-self-test.patch From-dist-git-commit: 4334bc837fbc64d14890fdc51679a80770d498ce --- crypto/evp/m_sigver.c | 54 ++++++++++++++++++++++++++++----- providers/fips/self_test_kats.c | 43 +++++++++++++++----------- 2 files changed, 73 insertions(+), 24 deletions(-) Index: openssl-3.2.3/crypto/evp/m_sigver.c =================================================================== --- openssl-3.2.3.orig/crypto/evp/m_sigver.c +++ openssl-3.2.3/crypto/evp/m_sigver.c @@ -86,6 +86,7 @@ static int update(EVP_MD_CTX *ctx, const ERR_raise(ERR_LIB_EVP, EVP_R_ONLY_ONESHOT_SUPPORTED); return 0; } +#endif /* !defined(FIPS_MODULE) */ /* * If we get the "NULL" md then the name comes back as "UNDEF". We want to use @@ -121,8 +122,10 @@ static int do_sigver_init(EVP_MD_CTX *ct reinit = 0; if (e == NULL) ctx->pctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, props); +#ifndef FIPS_MODULE else ctx->pctx = EVP_PKEY_CTX_new(pkey, e); +#endif /* !defined(FIPS_MODULE) */ } if (ctx->pctx == NULL) return 0; @@ -132,8 +135,10 @@ static int do_sigver_init(EVP_MD_CTX *ct locpctx = ctx->pctx; ERR_set_mark(); +#ifndef FIPS_MODULE if (evp_pkey_ctx_is_legacy(locpctx)) goto legacy; +#endif /* !defined(FIPS_MODULE) */ /* do not reinitialize if pkey is set or operation is different */ if (reinit @@ -218,8 +223,10 @@ static int do_sigver_init(EVP_MD_CTX *ct signature = evp_signature_fetch_from_prov((OSSL_PROVIDER *)tmp_prov, supported_sig, locpctx->propquery); +#ifndef FIPS_MODULE if (signature == NULL) goto legacy; +#endif /* !defined(FIPS_MODULE) */ break; } if (signature == NULL) @@ -303,6 +310,7 @@ static int do_sigver_init(EVP_MD_CTX *ct ctx->fetched_digest = EVP_MD_fetch(locpctx->libctx, mdname, props); if (ctx->fetched_digest != NULL) { ctx->digest = ctx->reqdigest = ctx->fetched_digest; +#ifndef FIPS_MODULE } else { /* legacy engine support : remove the mark when this is deleted */ ctx->reqdigest = ctx->digest = EVP_get_digestbyname(mdname); @@ -311,11 +319,13 @@ static int do_sigver_init(EVP_MD_CTX *ct ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); goto err; } +#endif /* !defined(FIPS_MODULE) */ } (void)ERR_pop_to_mark(); } } +#ifndef FIPS_MODULE if (ctx->reqdigest != NULL && !EVP_PKEY_is_a(locpctx->pkey, SN_hmac) && !EVP_PKEY_is_a(locpctx->pkey, SN_tls1_prf) @@ -327,6 +337,7 @@ static int do_sigver_init(EVP_MD_CTX *ct goto err; } } +#endif /* !defined(FIPS_MODULE) */ if (ver) { if (signature->digest_verify_init == NULL) { @@ -359,6 +370,7 @@ static int do_sigver_init(EVP_MD_CTX *ct EVP_KEYMGMT_free(tmp_keymgmt); return 0; +#ifndef FIPS_MODULE legacy: /* * If we don't have the full support we need with provided methods, @@ -430,6 +442,7 @@ static int do_sigver_init(EVP_MD_CTX *ct ctx->pctx->flag_call_digest_custom = 1; ret = 1; +#endif /* !defined(FIPS_MODULE) */ end: #ifndef FIPS_MODULE @@ -472,7 +485,6 @@ int EVP_DigestVerifyInit(EVP_MD_CTX *ctx return do_sigver_init(ctx, pctx, type, NULL, NULL, NULL, e, pkey, 1, NULL); } -#endif /* FIPS_MDOE */ int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize) { @@ -544,24 +556,30 @@ int EVP_DigestVerifyUpdate(EVP_MD_CTX *c return EVP_DigestUpdate(ctx, data, dsize); } -#ifndef FIPS_MODULE int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen) { - int sctx = 0, r = 0; - EVP_PKEY_CTX *dctx = NULL, *pctx = ctx->pctx; + int r = 0; +#ifndef FIPS_MODULE + int sctx = 0; + EVP_PKEY_CTX *dctx = NULL; +#endif /* !defined(FIPS_MODULE) */ + EVP_PKEY_CTX *pctx = ctx->pctx; if ((ctx->flags & EVP_MD_CTX_FLAG_FINALISED) != 0) { ERR_raise(ERR_LIB_EVP, EVP_R_FINAL_ERROR); return 0; } +#ifndef FIPS_MODULE if (pctx == NULL || pctx->operation != EVP_PKEY_OP_SIGNCTX || pctx->op.sig.algctx == NULL || pctx->op.sig.signature == NULL) goto legacy; +#endif /* !defined(FIPS_MODULE) */ +#ifndef FIPS_MODULE if (sigret != NULL && (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) == 0) { /* try dup */ dctx = EVP_PKEY_CTX_dup(pctx); @@ -576,7 +594,14 @@ int EVP_DigestSignFinal(EVP_MD_CTX *ctx, else EVP_PKEY_CTX_free(dctx); return r; +#else + r = pctx->op.sig.signature->digest_sign_final(pctx->op.sig.algctx, + sigret, siglen, + sigret == NULL ? 0 : *siglen); + return r; +#endif /* !defined(FIPS_MODULE) */ +#ifndef FIPS_MODULE legacy: if (pctx == NULL || pctx->pmeth == NULL) { ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); @@ -649,6 +674,7 @@ int EVP_DigestSignFinal(EVP_MD_CTX *ctx, } } return 1; +#endif /* !defined(FIPS_MODULE) */ } int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen, @@ -687,23 +713,29 @@ int EVP_DigestSign(EVP_MD_CTX *ctx, unsi int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig, size_t siglen) { - unsigned char md[EVP_MAX_MD_SIZE]; int r = 0; +#ifndef FIPS_MODULE + unsigned char md[EVP_MAX_MD_SIZE]; unsigned int mdlen = 0; int vctx = 0; - EVP_PKEY_CTX *dctx = NULL, *pctx = ctx->pctx; + EVP_PKEY_CTX *dctx = NULL; +#endif /* !defined(FIPS_MODULE) */ + EVP_PKEY_CTX *pctx = ctx->pctx; if ((ctx->flags & EVP_MD_CTX_FLAG_FINALISED) != 0) { ERR_raise(ERR_LIB_EVP, EVP_R_FINAL_ERROR); return 0; } +#ifndef FIPS_MODULE if (pctx == NULL || pctx->operation != EVP_PKEY_OP_VERIFYCTX || pctx->op.sig.algctx == NULL || pctx->op.sig.signature == NULL) goto legacy; +#endif /* !defined(FIPS_MODULE) */ +#ifndef FIPS_MODULE if ((ctx->flags & EVP_MD_CTX_FLAG_FINALISE) == 0) { /* try dup */ dctx = EVP_PKEY_CTX_dup(pctx); @@ -717,7 +749,13 @@ int EVP_DigestVerifyFinal(EVP_MD_CTX *ct else EVP_PKEY_CTX_free(dctx); return r; +#else + r = pctx->op.sig.signature->digest_verify_final(pctx->op.sig.algctx, + sig, siglen); + return r; +#endif /* !defined(FIPS_MODULE) */ +#ifndef FIPS_MODULE legacy: if (pctx == NULL || pctx->pmeth == NULL) { ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); @@ -758,6 +796,7 @@ int EVP_DigestVerifyFinal(EVP_MD_CTX *ct if (vctx || !r) return r; return EVP_PKEY_verify(pctx, sig, siglen, md, mdlen); +#endif /* !defined(FIPS_MODULE) */ } int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret, @@ -790,4 +829,3 @@ int EVP_DigestVerify(EVP_MD_CTX *ctx, co return -1; return EVP_DigestVerifyFinal(ctx, sigret, siglen); } -#endif /* FIPS_MODULE */ Index: openssl-3.2.3/providers/fips/self_test_kats.c =================================================================== --- openssl-3.2.3.orig/providers/fips/self_test_kats.c +++ openssl-3.2.3/providers/fips/self_test_kats.c @@ -450,10 +450,13 @@ static int self_test_sign(const ST_KAT_S int ret = 0; OSSL_PARAM *params = NULL, *params_sig = NULL; OSSL_PARAM_BLD *bld = NULL; + EVP_MD *md = NULL; + EVP_MD_CTX *ctx = NULL; EVP_PKEY_CTX *sctx = NULL, *kctx = NULL; EVP_PKEY *pkey = NULL; - unsigned char sig[256]; BN_CTX *bnctx = NULL; + const char *msg = "Hello World!"; + unsigned char sig[256]; size_t siglen = sizeof(sig); static const unsigned char dgst[] = { 0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81, @@ -487,23 +490,26 @@ static int self_test_sign(const ST_KAT_S || EVP_PKEY_fromdata(kctx, &pkey, EVP_PKEY_KEYPAIR, params) <= 0) goto err; - /* Create a EVP_PKEY_CTX to use for the signing operation */ - sctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, NULL); - if (sctx == NULL - || EVP_PKEY_sign_init(sctx) <= 0) - goto err; - - /* set signature parameters */ - if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_SIGNATURE_PARAM_DIGEST, - t->mdalgorithm, - strlen(t->mdalgorithm) + 1)) - goto err; + /* Create a EVP_MD_CTX to use for the signature operation, assign signature + * parameters and sign */ params_sig = OSSL_PARAM_BLD_to_param(bld); - if (EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0) + md = EVP_MD_fetch(libctx, "SHA256", NULL); + ctx = EVP_MD_CTX_new(); + if (md == NULL || ctx == NULL) + goto err; + EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_FINALISE | EVP_MD_CTX_FLAG_ONESHOT); + if (EVP_DigestSignInit(ctx, &sctx, md, NULL, pkey) <= 0 + || EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0 + || EVP_DigestSign(ctx, sig, &siglen, (const unsigned char *)msg, strlen(msg)) <= 0 + || EVP_MD_CTX_reset(ctx) <= 0) goto err; - if (EVP_PKEY_sign(sctx, sig, &siglen, dgst, sizeof(dgst)) <= 0 - || EVP_PKEY_verify_init(sctx) <= 0 + /* sctx is not freed automatically inside the FIPS module */ + EVP_PKEY_CTX_free(sctx); + sctx = NULL; + + EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_FINALISE | EVP_MD_CTX_FLAG_ONESHOT); + if (EVP_DigestVerifyInit(ctx, &sctx, md, NULL, pkey) <= 0 || EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0) goto err; @@ -513,14 +519,17 @@ static int self_test_sign(const ST_KAT_S goto err; OSSL_SELF_TEST_oncorrupt_byte(st, sig); - if (EVP_PKEY_verify(sctx, sig, siglen, dgst, sizeof(dgst)) <= 0) + if (EVP_DigestVerify(ctx, sig, siglen, (const unsigned char *)msg, strlen(msg)) <= 0) goto err; ret = 1; err: BN_CTX_free(bnctx); EVP_PKEY_free(pkey); - EVP_PKEY_CTX_free(kctx); + EVP_MD_free(md); + EVP_MD_CTX_free(ctx); + /* sctx is not freed automatically inside the FIPS module */ EVP_PKEY_CTX_free(sctx); + EVP_PKEY_CTX_free(kctx); OSSL_PARAM_free(params); OSSL_PARAM_free(params_sig); OSSL_PARAM_BLD_free(bld);
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