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serialization: signed/encrypted messages

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This commit is contained in:
Mirek Kratochvil 2013-04-21 00:31:40 +02:00
parent 236ec39579
commit b376232727
1 changed files with 73 additions and 0 deletions
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73
src/serialization.cpp
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@ -27,6 +27,7 @@
#include "nd.h" #include "nd.h"
#include "mce_qd.h" #include "mce_qd.h"
#include "fmtseq.h" #include "fmtseq.h"
#include "message.h"
static sencode* serialize_uint_vector (std::vector<uint>*v) static sencode* serialize_uint_vector (std::vector<uint>*v)
{ {
@ -592,3 +593,75 @@ bool fmtseq::pubkey::unserialize (sencode*s)
return true; return true;
} }
#define ENC_MSG_IDENT "CCR-ENCRYPTED-MSG"
#define SIG_MSG_IDENT "CCR-SIGNED-MSG"
sencode* encrypted_msg::serialize()
{
sencode_list*L = new sencode_list();
L->items.resize (4);
L->items[0] = new sencode_bytes (ENC_MSG_IDENT);
L->items[1] = new sencode_bytes (alg_id);
L->items[2] = new sencode_bytes (key_id);
L->items[3] = ciphertext.serialize();
return L;
}
bool encrypted_msg::unserialize (sencode*s)
{
sencode_list*L = dynamic_cast<sencode_list*> (s);
if (!L) return false;
if (L->items.size() != 4) return false;
sencode_bytes*B;
B = dynamic_cast<sencode_bytes*> (L->items[0]);
if (!B) return false;
if (B->b != ENC_MSG_IDENT) return false;
B = dynamic_cast<sencode_bytes*> (L->items[1]);
if (!B) return false;
alg_id = B->b;
B = dynamic_cast<sencode_bytes*> (L->items[2]);
if (!B) return false;
key_id = B->b;
return ciphertext.unserialize (L->items[3]);
}
sencode* signed_msg::serialize()
{
sencode_list*L = new sencode_list();
L->items.resize (5);
L->items[0] = new sencode_bytes (SIG_MSG_IDENT);
L->items[1] = new sencode_bytes (alg_id);
L->items[2] = new sencode_bytes (key_id);
L->items[3] = message.serialize();
L->items[4] = signature.serialize();
return L;
}
bool signed_msg::unserialize (sencode*s)
{
sencode_list*L = dynamic_cast<sencode_list*> (s);
if (!L) return false;
if (L->items.size() != 5) return false;
sencode_bytes*B;
B = dynamic_cast<sencode_bytes*> (L->items[0]);
if (!B) return false;
if (B->b != SIG_MSG_IDENT) return false;
B = dynamic_cast<sencode_bytes*> (L->items[1]);
if (!B) return false;
alg_id = B->b;
B = dynamic_cast<sencode_bytes*> (L->items[2]);
if (!B) return false;
key_id = B->b;
return message.unserialize (L->items[3]) &&
signature.unserialize (L->items[4]);
}