- long length)
- {
- ASN1_INTEGER *ret=NULL;
- const unsigned char *p;
- unsigned char *to,*s;
- long len;
- int inf,tag,xclass;
- int i;
-
- if ((a == NULL) || ((*a) == NULL))
- {
- if ((ret=M_ASN1_INTEGER_new()) == NULL) return(NULL);
- ret->type=V_ASN1_INTEGER;
- }
- else
- ret=(*a);
-
- p= *pp;
- inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
- if (inf & 0x80)
- {
- i=ASN1_R_BAD_OBJECT_HEADER;
- goto err;
- }
-
- if (tag != V_ASN1_INTEGER)
- {
- i=ASN1_R_EXPECTING_AN_INTEGER;
- goto err;
- }
-
- /* We must OPENSSL_malloc stuff, even for 0 bytes otherwise it
- * signifies a missing NULL parameter. */
- s=(unsigned char *)OPENSSL_malloc((int)len+1);
- if (s == NULL)
- {
- i=ERR_R_MALLOC_FAILURE;
- goto err;
- }
- to=s;
- ret->type=V_ASN1_INTEGER;
- if(len) {
- if ((*p == 0) && (len != 1))
- {
- p++;
- len--;
- }
- memcpy(s,p,(int)len);
- p+=len;
- }
-
- if (ret->data != NULL) OPENSSL_free(ret->data);
- ret->data=s;
- ret->length=(int)len;
- if (a != NULL) (*a)=ret;
- *pp=p;
- return(ret);
-err:
- ASN1err(ASN1_F_D2I_ASN1_UINTEGER,i);
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- M_ASN1_INTEGER_free(ret);
- return(NULL);
- }
+ long length)
+{
+ ASN1_INTEGER *ret = NULL;
+ const unsigned char *p;
+ unsigned char *s;
+ long len;
+ int inf, tag, xclass;
+ int i;
+
+ if ((a == NULL) || ((*a) == NULL)) {
+ if ((ret = ASN1_INTEGER_new()) == NULL)
+ return (NULL);
+ ret->type = V_ASN1_INTEGER;
+ } else
+ ret = (*a);
+
+ p = *pp;
+ inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
+ if (inf & 0x80) {
+ i = ASN1_R_BAD_OBJECT_HEADER;
+ goto err;
+ }
+
+ if (tag != V_ASN1_INTEGER) {
+ i = ASN1_R_EXPECTING_AN_INTEGER;
+ goto err;
+ }
+
+ /*
+ * We must OPENSSL_malloc stuff, even for 0 bytes otherwise it signifies
+ * a missing NULL parameter.
+ */
+ s = OPENSSL_malloc((int)len + 1);
+ if (s == NULL) {
+ i = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ ret->type = V_ASN1_INTEGER;
+ if (len) {
+ if ((*p == 0) && (len != 1)) {
+ p++;
+ len--;
+ }
+ memcpy(s, p, (int)len);
+ p += len;
+ }
+
+ OPENSSL_free(ret->data);
+ ret->data = s;
+ ret->length = (int)len;
+ if (a != NULL)
+ (*a) = ret;
+ *pp = p;
+ return (ret);
+ err:
+ ASN1err(ASN1_F_D2I_ASN1_UINTEGER, i);
+ if ((a == NULL) || (*a != ret))
+ ASN1_INTEGER_free(ret);
+ return (NULL);
+}
+
+static ASN1_STRING *bn_to_asn1_string(const BIGNUM *bn, ASN1_STRING *ai,
+ int atype)
+{
+ ASN1_INTEGER *ret;
+ int len;
+
+ if (ai == NULL) {
+ ret = ASN1_STRING_type_new(atype);
+ } else {
+ ret = ai;
+ ret->type = atype;
+ }
+
+ if (ret == NULL) {
+ ASN1err(ASN1_F_BN_TO_ASN1_STRING, ERR_R_NESTED_ASN1_ERROR);
+ goto err;
+ }
+
+ if (BN_is_negative(bn) && !BN_is_zero(bn))
+ ret->type |= V_ASN1_NEG_INTEGER;
+
+ len = BN_num_bytes(bn);
+
+ if (len == 0)
+ len = 1;
+
+ if (ASN1_STRING_set(ret, NULL, len) == 0) {
+ ASN1err(ASN1_F_BN_TO_ASN1_STRING, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ /* Correct zero case */
+ if (BN_is_zero(bn))
+ ret->data[0] = 0;
+ else
+ len = BN_bn2bin(bn, ret->data);
+ ret->length = len;
+ return ret;
+ err:
+ if (ret != ai)
+ ASN1_INTEGER_free(ret);
+ return (NULL);
+}
+
+static BIGNUM *asn1_string_to_bn(const ASN1_INTEGER *ai, BIGNUM *bn,
+ int itype)
+{
+ BIGNUM *ret;
+
+ if ((ai->type & ~V_ASN1_NEG) != itype) {
+ ASN1err(ASN1_F_ASN1_STRING_TO_BN, ASN1_R_WRONG_INTEGER_TYPE);
+ return NULL;
+ }
+
+ ret = BN_bin2bn(ai->data, ai->length, bn);
+ if (ret == 0) {
+ ASN1err(ASN1_F_ASN1_STRING_TO_BN, ASN1_R_BN_LIB);
+ return NULL;
+ }
+ if (ai->type & V_ASN1_NEG)
+ BN_set_negative(ret, 1);
+ return ret;
+}
+
+int ASN1_INTEGER_get_int64(int64_t *pr, const ASN1_INTEGER *a)
+{
+ return asn1_string_get_int64(pr, a, V_ASN1_INTEGER);
+}
+
+int ASN1_INTEGER_set_int64(ASN1_INTEGER *a, int64_t r)
+{
+ return asn1_string_set_int64(a, r, V_ASN1_INTEGER);
+}
+
+int ASN1_INTEGER_get_uint64(uint64_t *pr, const ASN1_INTEGER *a)
+{
+ return asn1_string_get_uint64(pr, a, V_ASN1_INTEGER);
+}
+
+int ASN1_INTEGER_set_uint64(ASN1_INTEGER *a, uint64_t r)
+{
+ return asn1_string_set_uint64(a, r, V_ASN1_INTEGER);
+}