X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=crypto%2Fasn1%2Fa_int.c;h=8ae9827f6eaf5464bfb11e64a0c0a3a90685423d;hb=9cdf87f19431b32a50b12e468cf2a9557cfc3568;hp=0db747eddfebab2d6be17e61c45aec6b6a28425e;hpb=469938cb4012472d3d99ed7ead258aef3a5bc029;p=oweals%2Fopenssl.git

diff --git a/crypto/asn1/a_int.c b/crypto/asn1/a_int.c
index 0db747eddf..8ae9827f6e 100644
--- a/crypto/asn1/a_int.c
+++ b/crypto/asn1/a_int.c
@@ -60,33 +60,12 @@
 #include "cryptlib.h"
 #include <openssl/asn1.h>
 
-ASN1_INTEGER *ASN1_INTEGER_new(void)
-{ return M_ASN1_INTEGER_new();}
-
-void ASN1_INTEGER_free(ASN1_INTEGER *x)
-{ M_ASN1_INTEGER_free(x);}
-
 ASN1_INTEGER *ASN1_INTEGER_dup(ASN1_INTEGER *x)
 { return M_ASN1_INTEGER_dup(x);}
 
 int ASN1_INTEGER_cmp(ASN1_INTEGER *x, ASN1_INTEGER *y)
 { return M_ASN1_INTEGER_cmp(x,y);}
 
-/* Output ASN1 INTEGER including tag+length */
-
-int i2d_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp)
-{
-	int len, ret;
-	if(!a) return 0;
-	len = i2c_ASN1_INTEGER(a, NULL);	
-	ret=ASN1_object_size(0,len,V_ASN1_INTEGER);
-	if(pp) {
-		ASN1_put_object(pp,0,len,V_ASN1_INTEGER,V_ASN1_UNIVERSAL);
-		i2c_ASN1_INTEGER(a, pp);	
-	}
-	return ret;
-}
-
 /* 
  * This converts an ASN1 INTEGER into its content encoding.
  * The internal representation is an ASN1_STRING whose data is a big endian
@@ -174,39 +153,6 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp)
 	return(ret);
 	}
 
-/* Convert DER encoded ASN1 INTEGER to ASN1_INTEGER structure */
-ASN1_INTEGER *d2i_ASN1_INTEGER(ASN1_INTEGER **a, unsigned char **pp,
-	     long length)
-{
-	unsigned char *p;
-	long len;
-	int i;
-	int inf,tag,xclass;
-	ASN1_INTEGER *ret;
-
-	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;
-		}
-	ret = c2i_ASN1_INTEGER(a, &p, len);
-	if(ret) *pp = p;
-	return ret;
-err:
-	ASN1err(ASN1_F_D2I_ASN1_INTEGER,i);
-	return(NULL);
-
-}
-
-
 /* Convert just ASN1 INTEGER content octets to ASN1_INTEGER structure */
 
 ASN1_INTEGER *c2i_ASN1_INTEGER(ASN1_INTEGER **a, unsigned char **pp,
@@ -414,7 +360,7 @@ long ASN1_INTEGER_get(ASN1_INTEGER *a)
 	if (i == V_ASN1_NEG_INTEGER)
 		neg=1;
 	else if (i != V_ASN1_INTEGER)
-		return(0);
+		return -1;
 	
 	if (a->length > sizeof(long))
 		{
@@ -422,7 +368,7 @@ long ASN1_INTEGER_get(ASN1_INTEGER *a)
 		return(0xffffffffL);
 		}
 	if (a->data == NULL)
-		return(0);
+		return 0;
 
 	for (i=0; i<a->length; i++)
 		{
@@ -451,8 +397,23 @@ ASN1_INTEGER *BN_to_ASN1_INTEGER(BIGNUM *bn, ASN1_INTEGER *ai)
 	else ret->type=V_ASN1_INTEGER;
 	j=BN_num_bits(bn);
 	len=((j == 0)?0:((j/8)+1));
-	ret->data=(unsigned char *)OPENSSL_malloc(len+4);
+	if (ret->length < len+4)
+		{
+		char *new_data=(char *)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);
@@ -465,7 +426,7 @@ BIGNUM *ASN1_INTEGER_to_BN(ASN1_INTEGER *ai, BIGNUM *bn)
 
 	if ((ret=BN_bin2bn(ai->data,ai->length,bn)) == NULL)
 		ASN1err(ASN1_F_ASN1_INTEGER_TO_BN,ASN1_R_BN_LIB);
-	if(ai->type == V_ASN1_NEG_INTEGER) ret->neg = 1;
+	else if(ai->type == V_ASN1_NEG_INTEGER) ret->neg = 1;
 	return(ret);
 	}