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#include "rw.h"
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/rand.h>
#include <stdio.h>
/* Override the default new methods */
/* This callback is used by OpenSSL's ASN.1 parser */
static int SignatureCallback(int operation, ASN1_VALUE** pval, const ASN1_ITEM* it, void* exarg) {
(void)it;
(void)exarg;
if (operation == ASN1_OP_NEW_PRE) {
TRwSignature* sig;
sig = OPENSSL_malloc(sizeof(TRwSignature));
if (!sig)
return 0;
sig->S = NULL;
*pval = (ASN1_VALUE*)sig;
return 2;
}
return 1;
}
/* ASN.1 structure representing RW signature value */
ASN1_SEQUENCE_cb(TRwSignature, SignatureCallback) = {
ASN1_SIMPLE(TRwSignature, S, BIGNUM),
} ASN1_SEQUENCE_END_cb(TRwSignature, TRwSignature)
/* i2d_ and d2i functions implementation for RW */
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(TRwSignature, TRwSignature, TRwSignature)
/* Override the default free and new methods */
static int RwCallback(int operation, ASN1_VALUE** pval, const ASN1_ITEM* it, void* exarg) {
(void)it;
(void)exarg;
if (operation == ASN1_OP_NEW_PRE) {
*pval = (ASN1_VALUE*)RwNew();
if (*pval)
return 2;
return 0;
} else if (operation == ASN1_OP_FREE_PRE) {
RwFree((TRwKey*)*pval);
*pval = NULL;
return 2;
}
return 1;
}
/* ASN.1 representation of RW's private key */
ASN1_SEQUENCE_cb(RWPrivateKey, RwCallback) = {
ASN1_SIMPLE(TRwKey, N, BIGNUM),
ASN1_SIMPLE(TRwKey, P, CBIGNUM),
ASN1_SIMPLE(TRwKey, Q, CBIGNUM),
ASN1_SIMPLE(TRwKey, Iqmp, CBIGNUM),
ASN1_SIMPLE(TRwKey, Dq, CBIGNUM),
ASN1_SIMPLE(TRwKey, Dp, CBIGNUM),
ASN1_SIMPLE(TRwKey, Twomp, CBIGNUM),
ASN1_SIMPLE(TRwKey, Twomq, CBIGNUM)} ASN1_SEQUENCE_END_cb(TRwKey, RWPrivateKey);
/* i2d_ and d2i_ functions for RW's private key */
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(TRwKey, RWPrivateKey, RWPrivateKey);
/* ASN.1 representation of RW public key */
ASN1_SEQUENCE_cb(RWPublicKey, RwCallback) = {
ASN1_SIMPLE(TRwKey, N, BIGNUM),
} ASN1_SEQUENCE_END_cb(TRwKey, RWPublicKey);
/* i2d_ and d2i functions for RW public key */
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(TRwKey, RWPublicKey, RWPublicKey);
TRwKey* RwPublicKeyDup(TRwKey* rw) {
return ASN1_item_dup(ASN1_ITEM_rptr(RWPublicKey), rw);
}
TRwKey* RwPrivateKeyDup(TRwKey* rw) {
return ASN1_item_dup(ASN1_ITEM_rptr(RWPrivateKey), rw);
}
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