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added set_messageDigest() and get_messageDigest() methods

This commit is contained in:
Andreas Steffen 2008-02-01 22:24:51 +00:00
parent e8bfe74289
commit 7734c01677
2 changed files with 63 additions and 1 deletions
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48
src/libstrongswan/crypto/pkcs9.c
View File

@ -297,7 +297,20 @@ static chunk_t get_encoding(private_pkcs9_t *this)
*/
static chunk_t get_attribute(private_pkcs9_t *this, int oid)
{
return chunk_empty;
iterator_t *iterator = this->attributes->create_iterator(this->attributes, TRUE);
chunk_t value = chunk_empty;
attribute_t *attribute;
while (iterator->iterate(iterator, (void**)&attribute))
{
if (attribute->oid == oid)
{
value = attribute->value;
break;
}
}
iterator->destroy(iterator);
return value;
}
/**
@ -310,6 +323,37 @@ static void set_attribute(private_pkcs9_t *this, int oid, chunk_t value)
this->attributes->insert_last(this->attributes, (void*)attribute);
}
/**
* Implements pkcs9_t.get_messageDigest
*/
static chunk_t get_messageDigest(private_pkcs9_t *this)
{
const int oid = OID_PKCS9_MESSAGE_DIGEST;
chunk_t value = get_attribute(this, oid);
if (value.ptr == NULL)
{
return chunk_empty;
}
if (!parse_asn1_simple_object(&value, asn1_attributeType(oid), 0, oid_names[oid].name))
{
return chunk_empty;
}
return chunk_clone(value);
}
/**
* Implements pkcs9_t.set_attribute
*/
static void set_messageDigest(private_pkcs9_t *this, chunk_t value)
{
const int oid = OID_PKCS9_MESSAGE_DIGEST;
chunk_t messageDigest = asn1_simple_object(asn1_attributeType(oid), value);
set_attribute(this, oid, messageDigest);
free(messageDigest.ptr);
}
/**
* Implements pkcs9_t.destroy
*/
@ -336,6 +380,8 @@ static private_pkcs9_t *pkcs9_create_empty(void)
this->public.get_encoding = (chunk_t (*) (pkcs9_t*))get_encoding;
this->public.get_attribute = (chunk_t (*) (pkcs9_t*,int))get_attribute;
this->public.set_attribute = (void (*) (pkcs9_t*,int,chunk_t))set_attribute;
this->public.get_messageDigest = (chunk_t (*) (pkcs9_t*))get_messageDigest;
this->public.set_messageDigest = (void (*) (pkcs9_t*,chunk_t))set_messageDigest;
this->public.destroy = (void (*) (pkcs9_t*))destroy;
return this;

16
src/libstrongswan/crypto/pkcs9.h
View File

@ -73,6 +73,22 @@ struct pkcs9_t {
*/
void (*set_attribute) (pkcs9_t *this, int oid, chunk_t value);
/**
* @brief gets a PKCS#9 messageDigest attribute
*
* @param this calling object
* @return messageDigest
*/
chunk_t (*get_messageDigest) (pkcs9_t *this);
/**
* @brief add a PKCS#9 messageDigest attribute
*
* @param this calling object
* @param value messageDigest
*/
void (*set_messageDigest) (pkcs9_t *this, chunk_t value);
/**
* @brief Destroys the PKCS#9 attribute list.
*