#include <openssl/asn1t.h>
#include <openssl/objects.h>
#include "internal/nelem.h"
+#include "internal/asn1_dsa.h"
int EC_GROUP_get_basis_type(const EC_GROUP *group)
{
return buf_len;
}
-ASN1_SEQUENCE(ECDSA_SIG) = {
- ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
- ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
-} static_ASN1_SEQUENCE_END(ECDSA_SIG)
-
DECLARE_ASN1_FUNCTIONS(ECDSA_SIG)
DECLARE_ASN1_ENCODE_FUNCTIONS_name(ECDSA_SIG, ECDSA_SIG)
-IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(ECDSA_SIG, ECDSA_SIG, ECDSA_SIG)
ECDSA_SIG *ECDSA_SIG_new(void)
{
OPENSSL_free(sig);
}
+ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **psig, const unsigned char **ppin, long len)
+{
+ ECDSA_SIG *sig;
+
+ if (len < 0)
+ return NULL;
+ if (psig != NULL && *psig != NULL) {
+ sig = *psig;
+ } else {
+ sig = ECDSA_SIG_new();
+ if (sig == NULL)
+ return NULL;
+ }
+ if (sig->r == NULL)
+ sig->r = BN_new();
+ if (sig->s == NULL)
+ sig->s = BN_new();
+ if (decode_der_dsa_sig(sig->r, sig->s, ppin, (size_t)len) == 0) {
+ if (psig == NULL || *psig == NULL)
+ ECDSA_SIG_free(sig);
+ return NULL;
+ }
+ if (psig != NULL && *psig == NULL)
+ *psig = sig;
+ return sig;
+}
+
+int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **ppout)
+{
+ unsigned char *buf = NULL;
+ unsigned char *tmp;
+ unsigned char **pp = NULL;
+ size_t len;
+ size_t encoded_len;
+
+ if (ppout != NULL && *ppout == NULL) {
+ if ((len = encode_der_dsa_sig(sig->r, sig->s, NULL, SIZE_MAX)) == 0)
+ return -1;
+ buf = OPENSSL_malloc(len);
+ if (buf == NULL)
+ return -1;
+ tmp = buf;
+ pp = &tmp;
+ } else {
+ len = SIZE_MAX;
+ pp = ppout;
+ }
+ if ((encoded_len = encode_der_dsa_sig(sig->r, sig->s, pp, len)) == 0) {
+ OPENSSL_free(buf);
+ return -1;
+ }
+ if (buf != NULL)
+ *ppout = buf;
+ return (int)encoded_len;
+}
+
void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
{
if (pr != NULL)