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pluto supports ECDSA authentication

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This commit is contained in:
Andreas Steffen
2009-06-12 19:59:49 +02:00
parent eca36f44de
commit 11e6d28533
25 changed files with 310 additions and 234 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libstrongswan/plugins/agent/agent_private_key.c
+1 -1
View File
@@ -269,7 +269,7 @@ static bool sign(private_agent_private_key_t *this, signature_scheme_t scheme,
char buf[2048];
chunk_t blob = chunk_from_buf(buf);
if (scheme != SIGN_DEFAULT && scheme != SIGN_RSA_EMSA_PKCS1_SHA1)
if (scheme != SIGN_RSA_EMSA_PKCS1_SHA1)
{
DBG1("signature scheme %N not supported by ssh-agent",
signature_scheme_names, scheme);
src/libstrongswan/plugins/gcrypt/gcrypt_rsa_private_key.c
-2
View File
@@ -144,8 +144,6 @@ static bool sign(private_gcrypt_rsa_private_key_t *this, signature_scheme_t sche
{
switch (scheme)
{
case SIGN_DEFAULT:
/* default is EMSA-PKCS1 using SHA1 */
case SIGN_RSA_EMSA_PKCS1_SHA1:
return sign_pkcs1(this, HASH_SHA1, "sha1", data, sig);
case SIGN_RSA_EMSA_PKCS1_SHA256:
src/libstrongswan/plugins/gcrypt/gcrypt_rsa_public_key.c
-2
View File
@@ -138,8 +138,6 @@ static bool verify(private_gcrypt_rsa_public_key_t *this,
return verify_pkcs1(this, HASH_SHA384, "sha384", data, signature);
case SIGN_RSA_EMSA_PKCS1_SHA512:
return verify_pkcs1(this, HASH_SHA512, "sha512", data, signature);
case SIGN_DEFAULT:
/* parsing hash OID currently not supported by gcrypt, fall */
default:
DBG1("signature scheme %N not supported in RSA",
signature_scheme_names, scheme);
src/libstrongswan/plugins/gmp/gmp_rsa_private_key.c
-1
View File
@@ -292,7 +292,6 @@ static bool sign(private_gmp_rsa_private_key_t *this, signature_scheme_t scheme,
{
case SIGN_RSA_EMSA_PKCS1_NULL:
return build_emsa_pkcs1_signature(this, HASH_UNKNOWN, data, signature);
case SIGN_DEFAULT:
case SIGN_RSA_EMSA_PKCS1_SHA1:
return build_emsa_pkcs1_signature(this, HASH_SHA1, data, signature);
case SIGN_RSA_EMSA_PKCS1_SHA256:
src/libstrongswan/plugins/gmp/gmp_rsa_public_key.c
-1
View File
@@ -299,7 +299,6 @@ static bool verify(private_gmp_rsa_public_key_t *this, signature_scheme_t scheme
{
switch (scheme)
{
case SIGN_DEFAULT:
case SIGN_RSA_EMSA_PKCS1_NULL:
return verify_emsa_pkcs1_signature(this, HASH_UNKNOWN, data, signature);
case SIGN_RSA_EMSA_PKCS1_MD5:
src/libstrongswan/plugins/openssl/openssl_ec_private_key.c
+48 -51
View File
@@ -128,36 +128,18 @@ static bool sig2chunk(const EC_GROUP *group, ECDSA_SIG *sig, chunk_t *chunk)
* Build the signature
*/
static bool build_signature(private_openssl_ec_private_key_t *this,
int hash_type, chunk_t data, chunk_t *signature)
chunk_t hash, chunk_t *signature)
{
chunk_t hash = chunk_empty;
ECDSA_SIG *sig;
bool ret = FALSE;
if (!openssl_hash_chunk(hash_type, data, &hash))
ECDSA_SIG *sig = ECDSA_do_sign(hash.ptr, hash.len, this->ec);
bool success;
if (!sig)
{
return FALSE;
}
sig = ECDSA_do_sign(hash.ptr, hash.len, this->ec);
if (!sig)
{
goto error;
}
if (!sig2chunk(EC_KEY_get0_group(this->ec), sig, signature))
{
goto error;
}
ret = TRUE;
error:
chunk_free(&hash);
if (sig)
{
ECDSA_SIG_free(sig);
}
return ret;
success = sig2chunk(EC_KEY_get0_group(this->ec), sig, signature);
ECDSA_SIG_free(sig);
return success;
}
/**
@@ -174,36 +156,51 @@ static key_type_t get_type(private_openssl_ec_private_key_t *this)
static bool sign(private_openssl_ec_private_key_t *this, signature_scheme_t scheme,
chunk_t data, chunk_t *signature)
{
EC_GROUP *req_group;
const EC_GROUP *my_group;
int hash, curve;
if (!lookup_scheme(scheme, &hash, &curve))
bool success;
if (scheme == SIGN_ECDSA_WITH_NULL)
{
DBG1("signature scheme %N not supported in EC",
signature_scheme_names, scheme);
return FALSE;
success = build_signature(this, data, signature);
}
req_group = EC_GROUP_new_by_curve_name(curve);
if (!req_group)
else
{
DBG1("signature scheme %N not supported in EC (required curve not supported)",
signature_scheme_names, scheme);
return FALSE;
}
EC_GROUP *req_group;
const EC_GROUP *my_group;
chunk_t hash = chunk_empty;
int hash_type, curve;
if (!lookup_scheme(scheme, &hash_type, &curve))
{
DBG1("signature scheme %N not supported in EC",
signature_scheme_names, scheme);
return FALSE;
}
my_group = EC_KEY_get0_group(this->ec);
if (EC_GROUP_cmp(my_group, req_group, NULL) != 0)
{
DBG1("signature scheme %N not supported by private key",
signature_scheme_names, scheme);
return FALSE;
}
req_group = EC_GROUP_new_by_curve_name(curve);
if (!req_group)
{
DBG1("signature scheme %N not supported in EC (required curve not supported)",
signature_scheme_names, scheme);
return FALSE;
}
EC_GROUP_free(req_group);
return build_signature(this, hash, data, signature);
my_group = EC_KEY_get0_group(this->ec);
if (EC_GROUP_cmp(my_group, req_group, NULL) != 0)
{
DBG1("signature scheme %N not supported by private key",
signature_scheme_names, scheme);
return FALSE;
}
EC_GROUP_free(req_group);
if (!openssl_hash_chunk(hash_type, data, &hash))
{
return FALSE;
}
success = build_signature(this, hash, signature);
chunk_free(&hash);
}
return success;
}
/**
src/libstrongswan/plugins/openssl/openssl_ec_public_key.c
+15 -4
View File
@@ -73,9 +73,16 @@ static bool verify_signature(private_openssl_ec_public_key_t *this,
ECDSA_SIG *sig;
bool valid = FALSE;
if (!openssl_hash_chunk(hash_type, data, &hash))
if (hash_type == NID_undef)
{
return FALSE;
hash = data;
}
else
{
if (!openssl_hash_chunk(hash_type, data, &hash))
{
return FALSE;
}
}
sig = ECDSA_SIG_new();
@@ -88,7 +95,6 @@ static bool verify_signature(private_openssl_ec_public_key_t *this,
{
goto error;
}
valid = (ECDSA_do_verify(hash.ptr, hash.len, sig, this->ec) == 1);
error:
@@ -96,7 +102,10 @@ error:
{
ECDSA_SIG_free(sig);
}
chunk_free(&hash);
if (hash_type != NID_undef)
{
chunk_free(&hash);
}
return valid;
}
@@ -158,6 +167,8 @@ static bool verify(private_openssl_ec_public_key_t *this, signature_scheme_t sch
{
switch (scheme)
{
case SIGN_ECDSA_WITH_NULL:
return verify_signature(this, NID_undef, data, signature);
case SIGN_ECDSA_WITH_SHA1:
return verify_default_signature(this, data, signature);
case SIGN_ECDSA_256:
src/libstrongswan/plugins/openssl/openssl_rsa_private_key.c
-1
View File
@@ -162,7 +162,6 @@ static bool sign(private_openssl_rsa_private_key_t *this, signature_scheme_t sch
{
case SIGN_RSA_EMSA_PKCS1_NULL:
return build_emsa_pkcs1_signature(this, NID_undef, data, signature);
case SIGN_DEFAULT:
case SIGN_RSA_EMSA_PKCS1_SHA1:
return build_emsa_pkcs1_signature(this, NID_sha1, data, signature);
case SIGN_RSA_EMSA_PKCS1_SHA256:
src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c
-1
View File
@@ -139,7 +139,6 @@ static bool verify(private_openssl_rsa_public_key_t *this, signature_scheme_t sc
{
switch (scheme)
{
case SIGN_DEFAULT:
case SIGN_RSA_EMSA_PKCS1_NULL:
return verify_emsa_pkcs1_signature(this, NID_undef, data, signature);
case SIGN_RSA_EMSA_PKCS1_SHA1: