83 lines
3.4 KiB
Diff
83 lines
3.4 KiB
Diff
From 98ee6faef3da1439c04f11cd2796132d27d1e607 Mon Sep 17 00:00:00 2001
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From: Dmitry Belyavskiy <dbelyavs@redhat.com>
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Date: Mon, 21 Aug 2023 15:58:07 +0200
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Subject: [PATCH 41/48] 0088-signature-Add-indicator-for-PSS-salt-length.patch
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Patch-name: 0088-signature-Add-indicator-for-PSS-salt-length.patch
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Patch-id: 88
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---
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include/openssl/core_names.h | 1 +
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include/openssl/evp.h | 4 ++++
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providers/implementations/signature/rsa_sig.c | 21 +++++++++++++++++++
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3 files changed, 26 insertions(+)
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diff --git a/include/openssl/core_names.h b/include/openssl/core_names.h
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index 1d1da4d3ca..48af87e236 100644
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--- a/include/openssl/core_names.h
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+++ b/include/openssl/core_names.h
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@@ -458,6 +458,7 @@ extern "C" {
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#define OSSL_SIGNATURE_PARAM_MGF1_PROPERTIES \
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OSSL_PKEY_PARAM_MGF1_PROPERTIES
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#define OSSL_SIGNATURE_PARAM_DIGEST_SIZE OSSL_PKEY_PARAM_DIGEST_SIZE
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+#define OSSL_SIGNATURE_PARAM_REDHAT_FIPS_INDICATOR "redhat-fips-indicator"
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/* Asym cipher parameters */
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#define OSSL_ASYM_CIPHER_PARAM_DIGEST OSSL_PKEY_PARAM_DIGEST
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diff --git a/include/openssl/evp.h b/include/openssl/evp.h
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index 615857caf5..05f2d0f75a 100644
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--- a/include/openssl/evp.h
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+++ b/include/openssl/evp.h
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@@ -799,6 +799,10 @@ __owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
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__owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
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int *outl);
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+# define EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_UNDETERMINED 0
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+# define EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_APPROVED 1
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+# define EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_NOT_APPROVED 2
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+
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__owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
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EVP_PKEY *pkey);
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__owur int EVP_SignFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
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diff --git a/providers/implementations/signature/rsa_sig.c b/providers/implementations/signature/rsa_sig.c
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index cfaa4841cb..851671cfb1 100644
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--- a/providers/implementations/signature/rsa_sig.c
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+++ b/providers/implementations/signature/rsa_sig.c
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@@ -1173,6 +1173,24 @@ static int rsa_get_ctx_params(void *vprsactx, OSSL_PARAM *params)
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}
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}
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+#ifdef FIPS_MODULE
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+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_REDHAT_FIPS_INDICATOR);
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+ if (p != NULL) {
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+ int fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_APPROVED;
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+ if (prsactx->pad_mode == RSA_PKCS1_PSS_PADDING) {
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+ if (prsactx->md == NULL) {
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+ fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_UNDETERMINED;
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+ } else if (rsa_pss_compute_saltlen(prsactx) > EVP_MD_get_size(prsactx->md)) {
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+ fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_NOT_APPROVED;
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+ }
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+ } else if (prsactx->pad_mode == RSA_NO_PADDING) {
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+ if (prsactx->md == NULL) /* Should always be the case */
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+ fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_NOT_APPROVED;
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+ }
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+ return OSSL_PARAM_set_int(p, fips_indicator);
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+ }
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+#endif
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+
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return 1;
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}
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@@ -1182,6 +1200,9 @@ static const OSSL_PARAM known_gettable_ctx_params[] = {
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OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
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OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_MGF1_DIGEST, NULL, 0),
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OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PSS_SALTLEN, NULL, 0),
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+#ifdef FIPS_MODULE
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+ OSSL_PARAM_int(OSSL_SIGNATURE_PARAM_REDHAT_FIPS_INDICATOR, NULL),
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+#endif
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OSSL_PARAM_END
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};
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--
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2.41.0
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