From 98ee6faef3da1439c04f11cd2796132d27d1e607 Mon Sep 17 00:00:00 2001
From: Dmitry Belyavskiy <dbelyavs@redhat.com>
Date: Mon, 21 Aug 2023 15:58:07 +0200
Subject: [PATCH 41/48] 0088-signature-Add-indicator-for-PSS-salt-length.patch
Patch-name: 0088-signature-Add-indicator-for-PSS-salt-length.patch
Patch-id: 88
---
include/openssl/evp.h | 4 ++++
providers/implementations/signature/rsa_sig.c | 21 +++++++++++++++++++
3 files changed, 26 insertions(+)
diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index 615857caf5..05f2d0f75a 100644
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -799,6 +799,10 @@ __owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
__owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
int *outl);
+# define EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_UNDETERMINED 0
+# define EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_APPROVED 1
+# define EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_NOT_APPROVED 2
+
__owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
EVP_PKEY *pkey);
__owur int EVP_SignFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
diff --git a/providers/implementations/signature/rsa_sig.c b/providers/implementations/signature/rsa_sig.c
index cfaa4841cb..851671cfb1 100644
--- a/providers/implementations/signature/rsa_sig.c
+++ b/providers/implementations/signature/rsa_sig.c
@@ -1173,6 +1173,24 @@ static int rsa_get_ctx_params(void *vprsactx, OSSL_PARAM *params)
}
}
+#ifdef FIPS_MODULE
+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_REDHAT_FIPS_INDICATOR);
+ if (p != NULL) {
+ int fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_APPROVED;
+ if (prsactx->pad_mode == RSA_PKCS1_PSS_PADDING) {
+ if (prsactx->md == NULL) {
+ fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_UNDETERMINED;
+ } else if (rsa_pss_compute_saltlen(prsactx) > EVP_MD_get_size(prsactx->md)) {
+ fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_NOT_APPROVED;
+ }
+ } else if (prsactx->pad_mode == RSA_NO_PADDING) {
+ if (prsactx->md == NULL) /* Should always be the case */
+ fips_indicator = EVP_SIGNATURE_REDHAT_FIPS_INDICATOR_NOT_APPROVED;
+ }
+ return OSSL_PARAM_set_int(p, fips_indicator);
+ }
+#endif
+
return 1;
}
@@ -1182,6 +1200,9 @@ static const OSSL_PARAM known_gettable_ctx_params[] = {
OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_MGF1_DIGEST, NULL, 0),
OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PSS_SALTLEN, NULL, 0),
+#ifdef FIPS_MODULE
+ OSSL_PARAM_int(OSSL_SIGNATURE_PARAM_REDHAT_FIPS_INDICATOR, NULL),
+#endif
OSSL_PARAM_END
};
--
2.41.0
diff -up openssl-3.2.0/util/perl/OpenSSL/paramnames.pm.salt-patch openssl-3.2.0/util/perl/OpenSSL/paramnames.pm
--- openssl-3.2.0/util/perl/OpenSSL/paramnames.pm.salt-patch 2024-01-02 12:23:57.106998142 +0100
+++ openssl-3.2.0/util/perl/OpenSSL/paramnames.pm 2024-01-02 12:26:29.687472015 +0100
@@ -377,17 +377,18 @@ my %params = (
'EXCHANGE_PARAM_KDF_UKM' => "kdf-ukm",
# Signature parameters
- 'SIGNATURE_PARAM_ALGORITHM_ID' => "algorithm-id",
- 'SIGNATURE_PARAM_PAD_MODE' => '*PKEY_PARAM_PAD_MODE',
- 'SIGNATURE_PARAM_DIGEST' => '*PKEY_PARAM_DIGEST',
- 'SIGNATURE_PARAM_PROPERTIES' => '*PKEY_PARAM_PROPERTIES',
- 'SIGNATURE_PARAM_PSS_SALTLEN' => "saltlen",
- 'SIGNATURE_PARAM_MGF1_DIGEST' => '*PKEY_PARAM_MGF1_DIGEST',
- 'SIGNATURE_PARAM_MGF1_PROPERTIES' => '*PKEY_PARAM_MGF1_PROPERTIES',
- 'SIGNATURE_PARAM_DIGEST_SIZE' => '*PKEY_PARAM_DIGEST_SIZE',
- 'SIGNATURE_PARAM_NONCE_TYPE' => "nonce-type",
- 'SIGNATURE_PARAM_INSTANCE' => "instance",
- 'SIGNATURE_PARAM_CONTEXT_STRING' => "context-string",
+ 'SIGNATURE_PARAM_ALGORITHM_ID' => "algorithm-id",
+ 'SIGNATURE_PARAM_PAD_MODE' => '*PKEY_PARAM_PAD_MODE',
+ 'SIGNATURE_PARAM_DIGEST' => '*PKEY_PARAM_DIGEST',
+ 'SIGNATURE_PARAM_PROPERTIES' => '*PKEY_PARAM_PROPERTIES',
+ 'SIGNATURE_PARAM_PSS_SALTLEN' => "saltlen",
+ 'SIGNATURE_PARAM_MGF1_DIGEST' => '*PKEY_PARAM_MGF1_DIGEST',
+ 'SIGNATURE_PARAM_MGF1_PROPERTIES' => '*PKEY_PARAM_MGF1_PROPERTIES',
+ 'SIGNATURE_PARAM_DIGEST_SIZE' => '*PKEY_PARAM_DIGEST_SIZE',
+ 'SIGNATURE_PARAM_REDHAT_FIPS_INDICATOR' => "redhat-fips-indicator",
+ 'SIGNATURE_PARAM_NONCE_TYPE' => "nonce-type",
+ 'SIGNATURE_PARAM_INSTANCE' => "instance",
+ 'SIGNATURE_PARAM_CONTEXT_STRING' => "context-string",
# Asym cipher parameters
'ASYM_CIPHER_PARAM_DIGEST' => '*PKEY_PARAM_DIGEST',