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creating default IKE proposals dynamically using algorithm enumeration API

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This commit is contained in:
Martin Willi
2008-08-28 11:07:57 +00:00
parent f1b014b9a3
commit e577ad3985
6 changed files with 148 additions and 63 deletions
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configure.in
+9 -9
View File
@@ -750,21 +750,18 @@ fi
if test x$des = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" des"
fi
if test x$md5 = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" md5"
fi
if test x$sha1 = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" sha1"
fi
if test x$sha2 = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" sha2"
fi
if test x$md5 = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" md5"
fi
if test x$fips_prf = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" fips-prf"
fi
if test x$gmp = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" gmp"
fi
if test x$random = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" random"
fi
@@ -774,12 +771,12 @@ fi
if test x$pubkey = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" pubkey"
fi
if test x$hmac = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" hmac"
fi
if test x$xcbc = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" xcbc"
fi
if test x$hmac = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" hmac"
fi
if test x$mysql = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" mysql"
fi
@@ -792,6 +789,9 @@ fi
if test x$openssl = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" openssl"
fi
if test x$gmp = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" gmp"
fi
AC_SUBST(libstrongswan_plugins)
src/charon/config/proposal.c
+107 -22
View File
@@ -938,6 +938,112 @@ proposal_t *proposal_create(protocol_id_t protocol)
return &this->public;
}
/**
* Add supported IKE algorithms to proposal
*/
static void proposal_add_supported_ike(private_proposal_t *this)
{
enumerator_t *enumerator;
encryption_algorithm_t encryption;
integrity_algorithm_t integrity;
pseudo_random_function_t prf;
diffie_hellman_group_t group;
enumerator = lib->crypto->create_crypter_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &encryption))
{
switch (encryption)
{
case ENCR_AES_CBC:
/* we assume that we support all AES sizes */
add_algorithm(this, ENCRYPTION_ALGORITHM, encryption, 128);
add_algorithm(this, ENCRYPTION_ALGORITHM, encryption, 192);
add_algorithm(this, ENCRYPTION_ALGORITHM, encryption, 256);
break;
case ENCR_3DES:
case ENCR_AES_CTR:
case ENCR_AES_CCM_ICV8:
case ENCR_AES_CCM_ICV12:
case ENCR_AES_CCM_ICV16:
case ENCR_AES_GCM_ICV8:
case ENCR_AES_GCM_ICV12:
case ENCR_AES_GCM_ICV16:
add_algorithm(this, ENCRYPTION_ALGORITHM, encryption, 0);
break;
case ENCR_DES:
/* no, thanks */
break;
default:
break;
}
}
enumerator->destroy(enumerator);
enumerator = lib->crypto->create_signer_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &integrity))
{
switch (integrity)
{
case AUTH_HMAC_SHA1_96:
case AUTH_HMAC_SHA2_256_128:
case AUTH_HMAC_SHA2_384_192:
case AUTH_HMAC_SHA2_512_256:
case AUTH_HMAC_MD5_96:
case AUTH_AES_XCBC_96:
add_algorithm(this, INTEGRITY_ALGORITHM, integrity, 0);
break;
default:
break;
}
}
enumerator->destroy(enumerator);
enumerator = lib->crypto->create_prf_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &prf))
{
switch (prf)
{
case PRF_HMAC_SHA1:
case PRF_HMAC_SHA2_256:
case PRF_HMAC_SHA2_384:
case PRF_HMAC_SHA2_512:
case PRF_HMAC_MD5:
case PRF_AES128_XCBC:
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, prf, 0);
break;
default:
break;
}
}
enumerator->destroy(enumerator);
enumerator = lib->crypto->create_dh_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &group))
{
switch (group)
{
case MODP_768_BIT:
/* weak */
break;
case MODP_1024_BIT:
case MODP_1536_BIT:
case MODP_2048_BIT:
case MODP_4096_BIT:
case MODP_8192_BIT:
case ECP_256_BIT:
case ECP_384_BIT:
case ECP_521_BIT:
case ECP_192_BIT:
case ECP_224_BIT:
add_algorithm(this, DIFFIE_HELLMAN_GROUP, group, 0);
break;
default:
break;
}
}
enumerator->destroy(enumerator);
}
/*
* Describtion in header-file
*/
@@ -948,27 +1054,7 @@ proposal_t *proposal_create_default(protocol_id_t protocol)
switch (protocol)
{
case PROTO_IKE:
add_algorithm(this, ENCRYPTION_ALGORITHM, ENCR_AES_CBC, 128);
add_algorithm(this, ENCRYPTION_ALGORITHM, ENCR_AES_CBC, 192);
add_algorithm(this, ENCRYPTION_ALGORITHM, ENCR_AES_CBC, 256);
add_algorithm(this, ENCRYPTION_ALGORITHM, ENCR_3DES, 0);
add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_AES_XCBC_96, 0);
add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA2_256_128, 0);
add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA1_96, 0);
add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_MD5_96, 0);
add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA2_384_192, 0);
add_algorithm(this, INTEGRITY_ALGORITHM, AUTH_HMAC_SHA2_512_256, 0);
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_AES128_XCBC, 0);
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA2_256, 0);
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA1, 0);
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_MD5, 0);
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA2_384, 0);
add_algorithm(this, PSEUDO_RANDOM_FUNCTION, PRF_HMAC_SHA2_512, 0);
add_algorithm(this, DIFFIE_HELLMAN_GROUP, MODP_2048_BIT, 0);
add_algorithm(this, DIFFIE_HELLMAN_GROUP, MODP_1536_BIT, 0);
add_algorithm(this, DIFFIE_HELLMAN_GROUP, MODP_1024_BIT, 0);
add_algorithm(this, DIFFIE_HELLMAN_GROUP, MODP_4096_BIT, 0);
add_algorithm(this, DIFFIE_HELLMAN_GROUP, MODP_8192_BIT, 0);
proposal_add_supported_ike(this);
break;
case PROTO_ESP:
add_algorithm(this, ENCRYPTION_ALGORITHM, ENCR_AES_CBC, 128);
@@ -990,7 +1076,6 @@ proposal_t *proposal_create_default(protocol_id_t protocol)
default:
break;
}
return &this->public;
}
src/libstrongswan/plugins/des/des_plugin.c
+2 -2
View File
@@ -52,10 +52,10 @@ plugin_t *plugin_create()
this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
lib->crypto->add_crypter(lib->crypto, ENCR_DES,
(crypter_constructor_t)des_crypter_create);
lib->crypto->add_crypter(lib->crypto, ENCR_3DES,
(crypter_constructor_t)des_crypter_create);
lib->crypto->add_crypter(lib->crypto, ENCR_DES,
(crypter_constructor_t)des_crypter_create);
return &this->public.plugin;
}
src/libstrongswan/plugins/gmp/gmp_plugin.c
+5 -5
View File
@@ -58,14 +58,10 @@ plugin_t *plugin_create()
this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
lib->crypto->add_dh(lib->crypto, MODP_768_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1024_BIT,
lib->crypto->add_dh(lib->crypto, MODP_2048_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1536_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_2048_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_3072_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_4096_BIT,
@@ -74,6 +70,10 @@ plugin_t *plugin_create()
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_8192_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1024_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_768_BIT,
(dh_constructor_t)gmp_diffie_hellman_create);
lib->creds->add_builder(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
(builder_constructor_t)gmp_rsa_private_key_builder);
src/libstrongswan/plugins/hmac/hmac_plugin.c
+4 -4
View File
@@ -55,25 +55,25 @@ plugin_t *plugin_create()
this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
lib->crypto->add_prf(lib->crypto, PRF_HMAC_MD5,
lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_256,
(prf_constructor_t)hmac_prf_create);
lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA1,
(prf_constructor_t)hmac_prf_create);
lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_256,
lib->crypto->add_prf(lib->crypto, PRF_HMAC_MD5,
(prf_constructor_t)hmac_prf_create);
lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_384,
(prf_constructor_t)hmac_prf_create);
lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_512,
(prf_constructor_t)hmac_prf_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_MD5_96,
(signer_constructor_t)hmac_signer_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA1_96,
(signer_constructor_t)hmac_signer_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA1_128,
(signer_constructor_t)hmac_signer_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_256_128,
(signer_constructor_t)hmac_signer_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_MD5_96,
(signer_constructor_t)hmac_signer_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_384_192,
(signer_constructor_t)hmac_signer_create);
lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_512_256,
src/libstrongswan/plugins/openssl/openssl_plugin.c
+21 -21
View File
@@ -87,7 +87,7 @@ plugin_t *plugin_create()
ENGINE_register_all_complete();
/* crypter */
lib->crypto->add_crypter(lib->crypto, ENCR_DES,
lib->crypto->add_crypter(lib->crypto, ENCR_AES_CBC,
(crypter_constructor_t)openssl_crypter_create);
lib->crypto->add_crypter(lib->crypto, ENCR_3DES,
(crypter_constructor_t)openssl_crypter_create);
@@ -99,9 +99,9 @@ plugin_t *plugin_create()
(crypter_constructor_t)openssl_crypter_create);
lib->crypto->add_crypter(lib->crypto, ENCR_BLOWFISH,
(crypter_constructor_t)openssl_crypter_create);
lib->crypto->add_crypter(lib->crypto, ENCR_NULL,
lib->crypto->add_crypter(lib->crypto, ENCR_DES,
(crypter_constructor_t)openssl_crypter_create);
lib->crypto->add_crypter(lib->crypto, ENCR_AES_CBC,
lib->crypto->add_crypter(lib->crypto, ENCR_NULL,
(crypter_constructor_t)openssl_crypter_create);
/* hasher */
@@ -118,24 +118,6 @@ plugin_t *plugin_create()
lib->crypto->add_hasher(lib->crypto, HASH_SHA512,
(hasher_constructor_t)openssl_hasher_create);
/* diffie hellman */
lib->crypto->add_dh(lib->crypto, MODP_768_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1024_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1536_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_2048_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_3072_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_4096_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_6144_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_8192_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
/* ec diffie hellman */
lib->crypto->add_dh(lib->crypto, ECP_192_BIT,
(dh_constructor_t)openssl_ec_diffie_hellman_create);
@@ -148,6 +130,24 @@ plugin_t *plugin_create()
lib->crypto->add_dh(lib->crypto, ECP_521_BIT,
(dh_constructor_t)openssl_ec_diffie_hellman_create);
/* diffie hellman */
lib->crypto->add_dh(lib->crypto, MODP_2048_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1536_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_3072_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_4096_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_6144_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_8192_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_1024_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
lib->crypto->add_dh(lib->crypto, MODP_768_BIT,
(dh_constructor_t)openssl_diffie_hellman_create);
/* rsa */
lib->creds->add_builder(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
(builder_constructor_t)openssl_rsa_private_key_builder);