void do_print_errors(void)
{
const char *file, *data;
int line, flags;
unsigned long l;
while ((l = ERR_get_error_line_data(&file, &line, &data, &flags)))
{
fprintf(stderr, "ERROR:%lx:lib=%d,func=%d,reason=%d"
":file=%s:line=%d:%s\n",
l, ERR_GET_LIB(l), ERR_GET_FUNC(l), ERR_GET_REASON(l),
file, line, flags & ERR_TXT_STRING ? data : "");
}
}
int hex2bin(const char *in, unsigned char *out)
{
int n1, n2;
unsigned char ch;
for (n1=0,n2=0 ; in[n1] && in[n1] != '\n' ; )
{
if ((in[n1] >= '0') && (in[n1] <= '9'))
ch = in[n1++] - '0';
else if ((in[n1] >= 'A') && (in[n1] <= 'F'))
ch = in[n1++] - 'A' + 10;
else if ((in[n1] >= 'a') && (in[n1] <= 'f'))
ch = in[n1++] - 'a' + 10;
else
return -1;
if(!in[n1])
{
out[n2++]=ch;
break;
}
out[n2] = ch << 4;
if ((in[n1] >= '0') && (in[n1] <= '9'))
ch = in[n1++] - '0';
else if ((in[n1] >= 'A') && (in[n1] <= 'F'))
ch = in[n1++] - 'A' + 10;
else if ((in[n1] >= 'a') && (in[n1] <= 'f'))
ch = in[n1++] - 'a' + 10;
else
return -1;
out[n2++] |= ch;
}
return n2;
}
unsigned char *hex2bin_m(const char *in, long *plen)
{
unsigned char *p;
p = OPENSSL_malloc((strlen(in) + 1)/2);
*plen = hex2bin(in, p);
return p;
}
int do_hex2bn(BIGNUM **pr, const char *in)
{
unsigned char *p;
long plen;
int r = 0;
p = hex2bin_m(in, &plen);
if (!p)
return 0;
if (!*pr)
*pr = BN_new();
if (!*pr)
return 0;
if (BN_bin2bn(p, plen, *pr))
r = 1;
OPENSSL_free(p);
return r;
}
int do_bn_print(FILE *out, BIGNUM *bn)
{
int len, i;
unsigned char *tmp;
len = BN_num_bytes(bn);
if (len == 0)
{
fputs("00", out);
return 1;
}
tmp = OPENSSL_malloc(len);
if (!tmp)
{
fprintf(stderr, "Memory allocation error\n");
return 0;
}
BN_bn2bin(bn, tmp);
for (i = 0; i < len; i++)
fprintf(out, "%02x", tmp[i]);
OPENSSL_free(tmp);
return 1;
}
int do_bn_print_name(FILE *out, const char *name, BIGNUM *bn)
{
int r;
fprintf(out, "%s = ", name);
r = do_bn_print(out, bn);
if (!r)
return 0;
fputs("\n", out);
return 1;
}
int parse_line(char **pkw, char **pval, char *linebuf, char *olinebuf)
{
char *keyword, *value, *p, *q;
strcpy(linebuf, olinebuf);
keyword = linebuf;
while (isspace((unsigned char)*keyword))
keyword++;
p = strchr(linebuf, '=');
if (!p)
return 0;
q = p - 1;
while (isspace((unsigned char)*q))
*q-- = 0;
*p = 0;
value = p + 1;
while (isspace((unsigned char)*value))
value++;
p = value + strlen(value) - 1;
while (*p == '\n' || isspace((unsigned char)*p))
*p-- = 0;
*pkw = keyword;
*pval = value;
return 1;
}
BIGNUM *hex2bn(const char *in)
{
BIGNUM *p=NULL;
if (!do_hex2bn(&p, in))
return NULL;
return p;
}
int bin2hex(const unsigned char *in,int len,char *out)
{
int n1, n2;
unsigned char ch;
for (n1=0,n2=0 ; n1 < len ; ++n1)
{
ch=in[n1] >> 4;
if (ch <= 0x09)
out[n2++]=ch+'0';
else
out[n2++]=ch-10+'a';
ch=in[n1] & 0x0f;
if(ch <= 0x09)
out[n2++]=ch+'0';
else
out[n2++]=ch-10+'a';
}
out[n2]='\0';
return n2;
}
void pv(const char *tag,const unsigned char *val,int len)
{
char obuf[2048];
bin2hex(val,len,obuf);
printf("%s = %s\n",tag,obuf);
}
int tidy_line(char *linebuf, char *olinebuf)
{
char *keyword, *value, *p, *q;
strcpy(linebuf, olinebuf);
keyword = linebuf;
while (isspace((unsigned char)*keyword))
keyword++;
p = strchr(linebuf, '=');
if (!p)
{
p = keyword + strlen(keyword) - 1;
while (*p == '\n' || isspace((unsigned char)*p))
*p-- = 0;
strcpy(olinebuf, keyword);
strcat(olinebuf, "\n");
return 1;
}
q = p - 1;
while (isspace((unsigned char)*q))
*q-- = 0;
*p = 0;
value = p + 1;
while (isspace((unsigned char)*value))
value++;
p = value + strlen(value) - 1;
while (*p == '\n' || isspace((unsigned char)*p))
*p-- = 0;
strcpy(olinebuf, keyword);
strcat(olinebuf, " = ");
strcat(olinebuf, value);
strcat(olinebuf, "\n");
return 1;
}
int bint2bin(const char *in, int len, unsigned char *out)
{
int n;
memset(out,0,len);
for(n=0 ; n < len ; ++n)
if(in[n] == '1')
out[n/8]|=(0x80 >> (n%8));
return len;
}
int bin2bint(const unsigned char *in,int len,char *out)
{
int n;
for(n=0 ; n < len ; ++n)
out[n]=(in[n/8]&(0x80 >> (n%8))) ? '1' : '0';
return n;
}
void PrintValue(char *tag, unsigned char *val, int len)
{
#if VERBOSE
char obuf[2048];
int olen;
olen = bin2hex(val, len, obuf);
printf("%s = %.*s\n", tag, olen, obuf);
#endif
}
void OutputValue(char *tag, unsigned char *val, int len, FILE *rfp,int bitmode)
{
char obuf[2048];
int olen;
if(bitmode)
olen=bin2bint(val,len,obuf);
else
olen=bin2hex(val,len,obuf);
fprintf(rfp, "%s = %.*s\n", tag, olen, obuf);
#if VERBOSE
printf("%s = %.*s\n", tag, olen, obuf);
#endif
}