version 1.26, 2002/06/23 09:46:51 |
version 1.28.2.1, 2003/09/16 20:50:42 |
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bits = GET_16BIT(buf); |
bits = GET_16BIT(buf); |
/* Compute the number of binary bytes that follow. */ |
/* Compute the number of binary bytes that follow. */ |
bytes = (bits + 7) / 8; |
bytes = (bits + 7) / 8; |
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if (bytes > 8 * 1024) |
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fatal("buffer_get_bignum: cannot handle BN of size %d", bytes); |
if (buffer_len(buffer) < bytes) |
if (buffer_len(buffer) < bytes) |
fatal("buffer_get_bignum: input buffer too small"); |
fatal("buffer_get_bignum: input buffer too small"); |
bin = buffer_ptr(buffer); |
bin = buffer_ptr(buffer); |
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/**XXX should be two's-complement */ |
/**XXX should be two's-complement */ |
int i, carry; |
int i, carry; |
u_char *uc = buf; |
u_char *uc = buf; |
log("negativ!"); |
logit("negativ!"); |
for (i = bytes-1, carry = 1; i>=0; i--) { |
for (i = bytes-1, carry = 1; i>=0; i--) { |
uc[i] ^= 0xff; |
uc[i] ^= 0xff; |
if (carry) |
if (carry) |
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xfree(buf); |
xfree(buf); |
} |
} |
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/* XXX does not handle negative BNs */ |
void |
void |
buffer_get_bignum2(Buffer *buffer, BIGNUM *value) |
buffer_get_bignum2(Buffer *buffer, BIGNUM *value) |
{ |
{ |
/**XXX should be two's-complement */ |
u_int len; |
int len; |
u_char *bin = buffer_get_string(buffer, &len); |
u_char *bin = buffer_get_string(buffer, (u_int *)&len); |
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if (len > 8 * 1024) |
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fatal("buffer_get_bignum2: cannot handle BN of size %d", len); |
BN_bin2bn(bin, len, value); |
BN_bin2bn(bin, len, value); |
xfree(bin); |
xfree(bin); |
} |
} |
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/* Get the length. */ |
/* Get the length. */ |
len = buffer_get_int(buffer); |
len = buffer_get_int(buffer); |
if (len > 256 * 1024) |
if (len > 256 * 1024) |
fatal("buffer_get_string: bad string length %d", len); |
fatal("buffer_get_string: bad string length %u", len); |
/* Allocate space for the string. Add one byte for a null character. */ |
/* Allocate space for the string. Add one byte for a null character. */ |
value = xmalloc(len + 1); |
value = xmalloc(len + 1); |
/* Get the string. */ |
/* Get the string. */ |