-int i2d_ASN1_INTEGER(a,pp)
-ASN1_INTEGER *a;
-unsigned char **pp;
- {
- int pad=0,ret,r,i,t;
- unsigned char *p,*pt,*n,pb=0;
-
- if ((a == NULL) || (a->data == NULL)) return(0);
- t=a->type;
- if (a->length == 0)
- ret=1;
- else
- {
- ret=a->length;
- i=a->data[0];
- if ((t == V_ASN1_INTEGER) && (i > 127))
- {
- pad=1;
- pb=0;
- }
- else if ((t == V_ASN1_NEG_INTEGER) && (i>128))
- {
- pad=1;
- pb=0xFF;
- }
- ret+=pad;
- }
- r=ASN1_object_size(0,ret,V_ASN1_INTEGER);
- if (pp == NULL) return(r);
- p= *pp;
-
- ASN1_put_object(&p,0,ret,V_ASN1_INTEGER,V_ASN1_UNIVERSAL);
- if (pad) *(p++)=pb;
- if (a->length == 0)
- *(p++)=0;
- else if (t == V_ASN1_INTEGER)
- {
- memcpy(p,a->data,(unsigned int)a->length);
- p+=a->length;
- }
- else
- {
- n=a->data;
- pt=p;
- for (i=a->length; i>0; i--)
- *(p++)= (*(n++)^0xFF)+1;
- if (!pad) *pt|=0x80;
- }
-
- *pp=p;
- return(r);
- }
-
-ASN1_INTEGER *d2i_ASN1_INTEGER(a, pp, length)
-ASN1_INTEGER **a;
-unsigned char **pp;
-long length;
- {
- ASN1_INTEGER *ret=NULL;
- unsigned char *p,*to,*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 Malloc stuff, even for 0 bytes otherwise it
- * signifies a missing NULL parameter. */
- s=(unsigned char *)Malloc((int)len+1);
- if (s == NULL)
- {
- i=ERR_R_MALLOC_FAILURE;
- goto err;
- }
- to=s;
- if (*p & 0x80) /* a negative number */
- {
- ret->type=V_ASN1_NEG_INTEGER;
- if (*p == 0xff)
- {
- p++;
- len--;
- }
- for (i=(int)len; i>0; i--)
- *(to++)= (*(p++)^0xFF)+1;
- }
- else
- {
- ret->type=V_ASN1_INTEGER;
- if ((*p == 0) && (len != 1))
- {
- p++;
- len--;
- }
- memcpy(s,p,(int)len);
- p+=len;
- }
-
- if (ret->data != NULL) Free((char *)ret->data);
- ret->data=s;
- ret->length=(int)len;
- if (a != NULL) (*a)=ret;
- *pp=p;
- return(ret);
-err:
- ASN1err(ASN1_F_D2I_ASN1_INTEGER,i);
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- ASN1_INTEGER_free(ret);
- return(NULL);
- }
-
-int ASN1_INTEGER_set(a,v)
-ASN1_INTEGER *a;
-long v;
- {
- int i,j,k;
- unsigned char buf[sizeof(long)+1];
- long d;
-
- a->type=V_ASN1_INTEGER;
- if (a->length < (sizeof(long)+1))
- {
- if (a->data != NULL)
- Free((char *)a->data);
- if ((a->data=(unsigned char *)Malloc(sizeof(long)+1)) != NULL)
- memset((char *)a->data,0,sizeof(long)+1);
- }
- if (a->data == NULL)
- {
- ASN1err(ASN1_F_ASN1_INTEGER_SET,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- d=v;
- if (d < 0)
- {
- d= -d;
- a->type=V_ASN1_NEG_INTEGER;
- }
-
- for (i=0; i<sizeof(long); i++)
- {
- if (d == 0) break;
- buf[i]=(int)d&0xff;
- d>>=8;
- }
- j=0;
- if (v < 0) a->data[j++]=0;
- for (k=i-1; k >=0; k--)
- a->data[j++]=buf[k];
- a->length=j;
- return(1);
- }
-
-long ASN1_INTEGER_get(a)
-ASN1_INTEGER *a;
- {
- int neg=0,i;
- long r=0;
-
- if (a == NULL) return(0L);
- i=a->type;
- if (i == V_ASN1_NEG_INTEGER)
- neg=1;
- else if (i != V_ASN1_INTEGER)
- return(0);
-
- if (a->length > sizeof(long))
- {
- return(0xFFFFFFFFL);
- }
- if (a->data == NULL)
- return(0);
-
- for (i=0; i<a->length; i++)
- {
- r<<=8;
- r|=(unsigned char)a->data[i];
- }
- if (neg) r= -r;
- return(r);
- }
-
-ASN1_INTEGER *BN_to_ASN1_INTEGER(bn,ai)
-BIGNUM *bn;
-ASN1_INTEGER *ai;
- {
- ASN1_INTEGER *ret;
- int len,j;
-
- if (ai == NULL)
- ret=ASN1_INTEGER_new();
- else
- ret=ai;
- if (ret == NULL)
- {
- ASN1err(ASN1_F_BN_TO_ASN1_INTEGER,ASN1_R_ERROR_STACK);
- goto err;
- }
- ret->type=V_ASN1_INTEGER;
- j=BN_num_bits(bn);
- len=((j == 0)?0:((j/8)+1));
- ret->data=(unsigned char *)Malloc(len+4);
- ret->length=BN_bn2bin(bn,ret->data);
- return(ret);
-err:
- if (ret != ai) ASN1_INTEGER_free(ret);
- return(NULL);
- }
-
-BIGNUM *ASN1_INTEGER_to_BN(ai,bn)
-ASN1_INTEGER *ai;
-BIGNUM *bn;
- {
- BIGNUM *ret;
-
- if ((ret=BN_bin2bn(ai->data,ai->length,bn)) == NULL)
- ASN1err(ASN1_F_ASN1_INTEGER_TO_BN,ASN1_R_BN_LIB);
- return(ret);
- }
+ASN1_INTEGER *d2i_ASN1_UINTEGER(ASN1_INTEGER **a, const unsigned char **pp,
+ 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 = 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;
+ }
+ 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);
+}
+
+int ASN1_INTEGER_set(ASN1_INTEGER *a, long v)
+{
+ int j, k;
+ unsigned int i;
+ unsigned char buf[sizeof(long) + 1];
+ long d;
+
+ a->type = V_ASN1_INTEGER;
+ if (a->length < (int)(sizeof(long) + 1)) {
+ if (a->data != NULL)
+ OPENSSL_free(a->data);
+ if ((a->data =
+ (unsigned char *)OPENSSL_malloc(sizeof(long) + 1)) != NULL)
+ memset((char *)a->data, 0, sizeof(long) + 1);
+ }
+ if (a->data == NULL) {
+ ASN1err(ASN1_F_ASN1_INTEGER_SET, ERR_R_MALLOC_FAILURE);
+ return (0);
+ }
+ d = v;
+ if (d < 0) {
+ d = -d;
+ a->type = V_ASN1_NEG_INTEGER;
+ }
+
+ for (i = 0; i < sizeof(long); i++) {
+ if (d == 0)
+ break;
+ buf[i] = (int)d & 0xff;
+ d >>= 8;
+ }
+ j = 0;
+ for (k = i - 1; k >= 0; k--)
+ a->data[j++] = buf[k];
+ a->length = j;
+ return (1);
+}
+
+long ASN1_INTEGER_get(const ASN1_INTEGER *a)
+{
+ int neg = 0, i;
+ long r = 0;
+
+ if (a == NULL)
+ return (0L);
+ i = a->type;
+ if (i == V_ASN1_NEG_INTEGER)
+ neg = 1;
+ else if (i != V_ASN1_INTEGER)
+ return -1;
+
+ if (a->length > (int)sizeof(long)) {
+ /* hmm... a bit ugly, return all ones */
+ return -1;
+ }
+ if (a->data == NULL)
+ return 0;
+
+ for (i = 0; i < a->length; i++) {
+ r <<= 8;
+ r |= (unsigned char)a->data[i];
+ }
+ if (neg)
+ r = -r;
+ return (r);
+}
+
+ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai)
+{
+ ASN1_INTEGER *ret;
+ int len, j;
+
+ if (ai == NULL)
+ ret = M_ASN1_INTEGER_new();
+ else
+ ret = ai;
+ if (ret == NULL) {
+ ASN1err(ASN1_F_BN_TO_ASN1_INTEGER, ERR_R_NESTED_ASN1_ERROR);
+ goto err;
+ }
+ if (BN_is_negative(bn) && !BN_is_zero(bn))
+ ret->type = V_ASN1_NEG_INTEGER;
+ else
+ ret->type = V_ASN1_INTEGER;
+ j = BN_num_bits(bn);
+ len = ((j == 0) ? 0 : ((j / 8) + 1));
+ if (ret->length < len + 4) {
+ unsigned char *new_data = OPENSSL_realloc(ret->data, len + 4);
+ if (!new_data) {
+ ASN1err(ASN1_F_BN_TO_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ ret->data = new_data;
+ }
+ ret->length = BN_bn2bin(bn, ret->data);
+ /* Correct zero case */
+ if (!ret->length) {
+ ret->data[0] = 0;
+ ret->length = 1;
+ }
+ return (ret);
+ err:
+ if (ret != ai)
+ M_ASN1_INTEGER_free(ret);
+ return (NULL);
+}
+
+BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn)
+{
+ BIGNUM *ret;
+
+ if ((ret = BN_bin2bn(ai->data, ai->length, bn)) == NULL)
+ ASN1err(ASN1_F_ASN1_INTEGER_TO_BN, ASN1_R_BN_LIB);
+ else if (ai->type == V_ASN1_NEG_INTEGER)
+ BN_set_negative(ret, 1);
+ return (ret);
+}
+
+IMPLEMENT_STACK_OF(ASN1_INTEGER)
+
+IMPLEMENT_ASN1_SET_OF(ASN1_INTEGER)