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Add _hx509_private_key2SPKI and support functions (only support RSA for now).

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16968 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-04-03 05:10:34 +00:00
parent 5de3822ce3
commit 6a6823b916
1 changed files with 70 additions and 4 deletions
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74
lib/hx509/crypto.c
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@@ -82,7 +82,10 @@ private_oid(private_rc2_40, 1);
struct hx509_crypto;
struct signature_alg;
struct hx509_private_key {
const struct signature_alg *md;
const heim_oid *signature_alg;
struct {
RSA *rsa;
@@ -116,6 +119,8 @@ struct signature_alg {
const void *data,
size_t len,
hx509_private_key private_key);
int (*private_key2SPKI)(hx509_private_key private_key,
SubjectPublicKeyInfo *spki);
};
/*
@@ -358,6 +363,43 @@ rsa_parse_private_key(const struct signature_alg *sig_alg,
return 0;
}
int
rsa_private_key2SPKI(hx509_private_key private_key,
SubjectPublicKeyInfo *spki)
{
int len, ret;
memset(spki, 0, sizeof(*spki));
len = i2d_RSAPublicKey(private_key->private_key.rsa, NULL);
spki->subjectPublicKey.data = malloc(len);
if (spki->subjectPublicKey.data == NULL)
return ENOMEM;
spki->subjectPublicKey.length = len * 8;
ret = _hx509_set_digest_alg(&spki->algorithm,
oid_id_pkcs1_rsaEncryption(),
"\x05\x00", 2);
if (ret) {
free(spki->subjectPublicKey.data);
spki->subjectPublicKey.data = NULL;
spki->subjectPublicKey.length = 0;
return ret;
}
{
unsigned char *pp = spki->subjectPublicKey.data;
i2d_RSAPublicKey(private_key->private_key.rsa, &pp);
}
return 0;
}
/*
*
*/
static int
dsa_verify_signature(const struct signature_alg *sig_alg,
@@ -567,7 +609,8 @@ static struct signature_alg pkcs1_rsa_sha1_alg = {
PROVIDE_CONF|REQUIRE_SIGNER,
rsa_verify_signature,
rsa_create_signature,
rsa_parse_private_key
rsa_parse_private_key,
rsa_private_key2SPKI
};
static struct signature_alg rsa_with_sha1_alg = {
@@ -578,7 +621,8 @@ static struct signature_alg rsa_with_sha1_alg = {
PROVIDE_CONF|REQUIRE_SIGNER,
rsa_verify_signature,
rsa_create_signature,
rsa_parse_private_key
rsa_parse_private_key,
rsa_private_key2SPKI
};
static struct signature_alg rsa_with_md5_alg = {
@@ -589,7 +633,8 @@ static struct signature_alg rsa_with_md5_alg = {
PROVIDE_CONF|REQUIRE_SIGNER,
rsa_verify_signature,
rsa_create_signature,
rsa_parse_private_key
rsa_parse_private_key,
rsa_private_key2SPKI
};
static struct signature_alg rsa_with_md2_alg = {
@@ -600,7 +645,8 @@ static struct signature_alg rsa_with_md2_alg = {
PROVIDE_CONF|REQUIRE_SIGNER,
rsa_verify_signature,
rsa_create_signature,
rsa_parse_private_key
rsa_parse_private_key,
rsa_private_key2SPKI
};
static struct signature_alg dsa_sha1_alg = {
@@ -869,10 +915,27 @@ _hx509_parse_private_key(const heim_oid *key_oid,
ret = (*md->parse_private_key)(md, data, len, *private_key);
if (ret)
_hx509_free_private_key(private_key);
(*private_key)->md = md;
return ret;
}
/*
*
*/
int
_hx509_private_key2SPKI(hx509_context context,
hx509_private_key private_key,
SubjectPublicKeyInfo *spki)
{
const struct signature_alg *md = private_key->md;
if (md->private_key2SPKI == NULL)
return EINVAL;
return (*md->private_key2SPKI)(private_key, spki);
}
/*
*
*/
@@ -988,6 +1051,8 @@ _hx509_private_key_assign_key_file(hx509_private_key key,
if (key->private_key.rsa == NULL)
return EINVAL;
key->md = &pkcs1_rsa_sha1_alg;
return 0;
#endif
}
@@ -1001,6 +1066,7 @@ _hx509_private_key_assign_rsa(hx509_private_key key, void *ptr)
if (key->private_key.rsa)
RSA_free(key->private_key.rsa);
key->private_key.rsa = ptr;
key->md = &pkcs1_rsa_sha1_alg;
}