aboutsummaryrefslogtreecommitdiff
path: root/openssl/crypto/dh
diff options
context:
space:
mode:
Diffstat (limited to 'openssl/crypto/dh')
-rw-r--r--openssl/crypto/dh/dh.h20
-rw-r--r--openssl/crypto/dh/dh_ameth.c1
-rw-r--r--openssl/crypto/dh/dh_err.c7
-rw-r--r--openssl/crypto/dh/dh_gen.c17
-rw-r--r--openssl/crypto/dh/dh_key.c33
-rw-r--r--openssl/crypto/dh/dh_lib.c15
6 files changed, 89 insertions, 4 deletions
diff --git a/openssl/crypto/dh/dh.h b/openssl/crypto/dh/dh.h
index 849309a48..ea59e610e 100644
--- a/openssl/crypto/dh/dh.h
+++ b/openssl/crypto/dh/dh.h
@@ -86,6 +86,21 @@
* be used for all exponents.
*/
+/* If this flag is set the DH method is FIPS compliant and can be used
+ * in FIPS mode. This is set in the validated module method. If an
+ * application sets this flag in its own methods it is its reposibility
+ * to ensure the result is compliant.
+ */
+
+#define DH_FLAG_FIPS_METHOD 0x0400
+
+/* If this flag is set the operations normally disabled in FIPS mode are
+ * permitted it is then the applications responsibility to ensure that the
+ * usage is compliant.
+ */
+
+#define DH_FLAG_NON_FIPS_ALLOW 0x0400
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -230,6 +245,9 @@ void ERR_load_DH_strings(void);
#define DH_F_COMPUTE_KEY 102
#define DH_F_DHPARAMS_PRINT_FP 101
#define DH_F_DH_BUILTIN_GENPARAMS 106
+#define DH_F_DH_COMPUTE_KEY 114
+#define DH_F_DH_GENERATE_KEY 115
+#define DH_F_DH_GENERATE_PARAMETERS_EX 116
#define DH_F_DH_NEW_METHOD 105
#define DH_F_DH_PARAM_DECODE 107
#define DH_F_DH_PRIV_DECODE 110
@@ -249,7 +267,9 @@ void ERR_load_DH_strings(void);
#define DH_R_DECODE_ERROR 104
#define DH_R_INVALID_PUBKEY 102
#define DH_R_KEYS_NOT_SET 108
+#define DH_R_KEY_SIZE_TOO_SMALL 110
#define DH_R_MODULUS_TOO_LARGE 103
+#define DH_R_NON_FIPS_METHOD 111
#define DH_R_NO_PARAMETERS_SET 107
#define DH_R_NO_PRIVATE_VALUE 100
#define DH_R_PARAMETER_ENCODING_ERROR 105
diff --git a/openssl/crypto/dh/dh_ameth.c b/openssl/crypto/dh/dh_ameth.c
index 377caf96c..02ec2d47b 100644
--- a/openssl/crypto/dh/dh_ameth.c
+++ b/openssl/crypto/dh/dh_ameth.c
@@ -493,6 +493,7 @@ const EVP_PKEY_ASN1_METHOD dh_asn1_meth =
dh_copy_parameters,
dh_cmp_parameters,
dh_param_print,
+ 0,
int_dh_free,
0
diff --git a/openssl/crypto/dh/dh_err.c b/openssl/crypto/dh/dh_err.c
index d5cf0c22a..56d3df735 100644
--- a/openssl/crypto/dh/dh_err.c
+++ b/openssl/crypto/dh/dh_err.c
@@ -1,6 +1,6 @@
/* crypto/dh/dh_err.c */
/* ====================================================================
- * Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2011 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -73,6 +73,9 @@ static ERR_STRING_DATA DH_str_functs[]=
{ERR_FUNC(DH_F_COMPUTE_KEY), "COMPUTE_KEY"},
{ERR_FUNC(DH_F_DHPARAMS_PRINT_FP), "DHparams_print_fp"},
{ERR_FUNC(DH_F_DH_BUILTIN_GENPARAMS), "DH_BUILTIN_GENPARAMS"},
+{ERR_FUNC(DH_F_DH_COMPUTE_KEY), "DH_compute_key"},
+{ERR_FUNC(DH_F_DH_GENERATE_KEY), "DH_generate_key"},
+{ERR_FUNC(DH_F_DH_GENERATE_PARAMETERS_EX), "DH_generate_parameters_ex"},
{ERR_FUNC(DH_F_DH_NEW_METHOD), "DH_new_method"},
{ERR_FUNC(DH_F_DH_PARAM_DECODE), "DH_PARAM_DECODE"},
{ERR_FUNC(DH_F_DH_PRIV_DECODE), "DH_PRIV_DECODE"},
@@ -95,7 +98,9 @@ static ERR_STRING_DATA DH_str_reasons[]=
{ERR_REASON(DH_R_DECODE_ERROR) ,"decode error"},
{ERR_REASON(DH_R_INVALID_PUBKEY) ,"invalid public key"},
{ERR_REASON(DH_R_KEYS_NOT_SET) ,"keys not set"},
+{ERR_REASON(DH_R_KEY_SIZE_TOO_SMALL) ,"key size too small"},
{ERR_REASON(DH_R_MODULUS_TOO_LARGE) ,"modulus too large"},
+{ERR_REASON(DH_R_NON_FIPS_METHOD) ,"non fips method"},
{ERR_REASON(DH_R_NO_PARAMETERS_SET) ,"no parameters set"},
{ERR_REASON(DH_R_NO_PRIVATE_VALUE) ,"no private value"},
{ERR_REASON(DH_R_PARAMETER_ENCODING_ERROR),"parameter encoding error"},
diff --git a/openssl/crypto/dh/dh_gen.c b/openssl/crypto/dh/dh_gen.c
index cfd5b1186..7b1fe9c9c 100644
--- a/openssl/crypto/dh/dh_gen.c
+++ b/openssl/crypto/dh/dh_gen.c
@@ -66,12 +66,29 @@
#include <openssl/bn.h>
#include <openssl/dh.h>
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb);
int DH_generate_parameters_ex(DH *ret, int prime_len, int generator, BN_GENCB *cb)
{
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode() && !(ret->meth->flags & DH_FLAG_FIPS_METHOD)
+ && !(ret->flags & DH_FLAG_NON_FIPS_ALLOW))
+ {
+ DHerr(DH_F_DH_GENERATE_PARAMETERS_EX, DH_R_NON_FIPS_METHOD);
+ return 0;
+ }
+#endif
if(ret->meth->generate_params)
return ret->meth->generate_params(ret, prime_len, generator, cb);
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode())
+ return FIPS_dh_generate_parameters_ex(ret, prime_len,
+ generator, cb);
+#endif
return dh_builtin_genparams(ret, prime_len, generator, cb);
}
diff --git a/openssl/crypto/dh/dh_key.c b/openssl/crypto/dh/dh_key.c
index e7db44034..89a74db4e 100644
--- a/openssl/crypto/dh/dh_key.c
+++ b/openssl/crypto/dh/dh_key.c
@@ -73,11 +73,27 @@ static int dh_finish(DH *dh);
int DH_generate_key(DH *dh)
{
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode() && !(dh->meth->flags & DH_FLAG_FIPS_METHOD)
+ && !(dh->flags & DH_FLAG_NON_FIPS_ALLOW))
+ {
+ DHerr(DH_F_DH_GENERATE_KEY, DH_R_NON_FIPS_METHOD);
+ return 0;
+ }
+#endif
return dh->meth->generate_key(dh);
}
int DH_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
{
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode() && !(dh->meth->flags & DH_FLAG_FIPS_METHOD)
+ && !(dh->flags & DH_FLAG_NON_FIPS_ALLOW))
+ {
+ DHerr(DH_F_DH_COMPUTE_KEY, DH_R_NON_FIPS_METHOD);
+ return 0;
+ }
+#endif
return dh->meth->compute_key(key, pub_key, dh);
}
@@ -138,8 +154,21 @@ static int generate_key(DH *dh)
if (generate_new_key)
{
- l = dh->length ? dh->length : BN_num_bits(dh->p)-1; /* secret exponent length */
- if (!BN_rand(priv_key, l, 0, 0)) goto err;
+ if (dh->q)
+ {
+ do
+ {
+ if (!BN_rand_range(priv_key, dh->q))
+ goto err;
+ }
+ while (BN_is_zero(priv_key) || BN_is_one(priv_key));
+ }
+ else
+ {
+ /* secret exponent length */
+ l = dh->length ? dh->length : BN_num_bits(dh->p)-1;
+ if (!BN_rand(priv_key, l, 0, 0)) goto err;
+ }
}
{
diff --git a/openssl/crypto/dh/dh_lib.c b/openssl/crypto/dh/dh_lib.c
index 7aef080e7..00218f2b9 100644
--- a/openssl/crypto/dh/dh_lib.c
+++ b/openssl/crypto/dh/dh_lib.c
@@ -64,6 +64,10 @@
#include <openssl/engine.h>
#endif
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
const char DH_version[]="Diffie-Hellman" OPENSSL_VERSION_PTEXT;
static const DH_METHOD *default_DH_method = NULL;
@@ -76,7 +80,16 @@ void DH_set_default_method(const DH_METHOD *meth)
const DH_METHOD *DH_get_default_method(void)
{
if(!default_DH_method)
+ {
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode())
+ return FIPS_dh_openssl();
+ else
+ return DH_OpenSSL();
+#else
default_DH_method = DH_OpenSSL();
+#endif
+ }
return default_DH_method;
}
@@ -156,7 +169,7 @@ DH *DH_new_method(ENGINE *engine)
ret->counter = NULL;
ret->method_mont_p=NULL;
ret->references = 1;
- ret->flags=ret->meth->flags;
+ ret->flags=ret->meth->flags & ~DH_FLAG_NON_FIPS_ALLOW;
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data);
if ((ret->meth->init != NULL) && !ret->meth->init(ret))
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 00:16:38 +0000