generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

New ASN1 functions that just deal with

Browse Source 
content octets, not tag+length.
This commit is contained in:
Dr. Stephen Henson
2000-07-07 13:24:36 +00:00
parent 5789f8f780
commit a338e21bd1
5 changed files with 147 additions and 179 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
crypto/asn1/a_bitstr.c
View File

@@ -70,13 +70,27 @@ int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len)
{ return M_ASN1_BIT_STRING_set(x, d, len); }
int i2d_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp)
{
int len, ret;
len = i2c_ASN1_BIT_STRING(a, NULL);
ret=ASN1_object_size(0,len,V_ASN1_BIT_STRING);
if(pp) {
ASN1_put_object(pp,0,ret,V_ASN1_BIT_STRING,V_ASN1_UNIVERSAL);
i2c_ASN1_BIT_STRING(a, pp);
}
return ret;
}
int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp)
{
int ret,j,r,bits,len;
int ret,j,bits,len;
unsigned char *p,*d;
if (a == NULL) return(0);
len=a->length;
ret=1+len;
if (pp == NULL) return(ret);
if (len > 0)
{
@@ -104,36 +118,27 @@ int i2d_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp)
}
else
bits=0;
ret=1+len;
r=ASN1_object_size(0,ret,V_ASN1_BIT_STRING);
if (pp == NULL) return(r);
p= *pp;
ASN1_put_object(&p,0,ret,V_ASN1_BIT_STRING,V_ASN1_UNIVERSAL);
*(p++)=(unsigned char)bits;
d=a->data;
memcpy(p,d,len);
p+=len;
if (len > 0) p[-1]&=(0xff<<bits);
*pp=p;
return(r);
return(ret);
}
/* Convert DER encoded ASN1 BIT_STRING to ASN1_BIT_STRING structure */
ASN1_BIT_STRING *d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp,
long length)
{
ASN1_BIT_STRING *ret=NULL;
unsigned char *p,*s;
{
unsigned char *p;
long len;
int inf,tag,xclass;
int i;
if ((a == NULL) || ((*a) == NULL))
{
if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL);
}
else
ret=(*a);
int inf,tag,xclass;
ASN1_BIT_STRING *ret;
p= *pp;
inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
@@ -149,7 +154,30 @@ ASN1_BIT_STRING *d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp,
goto err;
}
if (len < 1) { i=ASN1_R_STRING_TOO_SHORT; goto err; }
ret = c2i_ASN1_BIT_STRING(a, &p, len);
if(ret) *pp = p;
return ret;
err:
ASN1err(ASN1_F_D2I_ASN1_BIT_STRING,i);
return(NULL);
}
ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp,
long len)
{
ASN1_BIT_STRING *ret=NULL;
unsigned char *p,*s;
int i;
if ((a == NULL) || ((*a) == NULL))
{
if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL);
}
else
ret=(*a);
p= *pp;
i= *(p++);
/* We do this to preserve the settings. If we modify
* the settings, via the _set_bit function, we will recalculate