version 1.27.2.1, 2003/04/01 00:12:13 |
version 1.31, 2003/11/10 16:23:41 |
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* by (bits+7)/8 bytes of binary data, msb first. |
* by (bits+7)/8 bytes of binary data, msb first. |
*/ |
*/ |
void |
void |
buffer_put_bignum(Buffer *buffer, BIGNUM *value) |
buffer_put_bignum(Buffer *buffer, const BIGNUM *value) |
{ |
{ |
int bits = BN_num_bits(value); |
int bits = BN_num_bits(value); |
int bin_size = (bits + 7) / 8; |
int bin_size = (bits + 7) / 8; |
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void |
void |
buffer_get_bignum(Buffer *buffer, BIGNUM *value) |
buffer_get_bignum(Buffer *buffer, BIGNUM *value) |
{ |
{ |
int bits, bytes; |
u_int bits, bytes; |
u_char buf[2], *bin; |
u_char buf[2], *bin; |
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/* Get the number for bits. */ |
/* Get the number for bits. */ |
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* Stores an BIGNUM in the buffer in SSH2 format. |
* Stores an BIGNUM in the buffer in SSH2 format. |
*/ |
*/ |
void |
void |
buffer_put_bignum2(Buffer *buffer, BIGNUM *value) |
buffer_put_bignum2(Buffer *buffer, const BIGNUM *value) |
{ |
{ |
int bytes = BN_num_bytes(value) + 1; |
u_int bytes = BN_num_bytes(value) + 1; |
u_char *buf = xmalloc(bytes); |
u_char *buf = xmalloc(bytes); |
int oi; |
int oi; |
int hasnohigh = 0; |
u_int hasnohigh = 0; |
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buf[0] = '\0'; |
buf[0] = '\0'; |
/* Get the value of in binary */ |
/* Get the value of in binary */ |
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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) |