Donatien Garnier / MiniTLS-GPL

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Dependents:   MiniTLS-HTTPS-Example

math/bin/fp_read_signed_bin.c@4:cbaf466d717d, 2014-06-10 (annotated)

Committer:
MiniTLS
Date:
Tue Jun 10 14:23:09 2014 +0000
Revision:
4:cbaf466d717d
Parent:
0:35aa5be3b78d 
Fixes for mbed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MiniTLS 0:35aa5be3b78d 1 /* TomsFastMath, a fast ISO C bignum library.
MiniTLS 0:35aa5be3b78d 2 *
MiniTLS 0:35aa5be3b78d 3 * This project is meant to fill in where LibTomMath
MiniTLS 0:35aa5be3b78d 4 * falls short. That is speed ;-)
MiniTLS 0:35aa5be3b78d 5 *
MiniTLS 0:35aa5be3b78d 6 * This project is public domain and free for all purposes.
MiniTLS 0:35aa5be3b78d 7 *
MiniTLS 0:35aa5be3b78d 8 * Tom St Denis, tomstdenis@gmail.com
MiniTLS 0:35aa5be3b78d 9 */
MiniTLS 0:35aa5be3b78d 10 #include <tfm.h>
MiniTLS 0:35aa5be3b78d 11
MiniTLS 0:35aa5be3b78d 12 void fp_read_signed_bin(fp_int *a, unsigned char *b, int c)
MiniTLS 0:35aa5be3b78d 13 {
MiniTLS 0:35aa5be3b78d 14 /* read magnitude */
MiniTLS 0:35aa5be3b78d 15 fp_read_unsigned_bin (a, b + 1, c - 1);
MiniTLS 0:35aa5be3b78d 16
MiniTLS 0:35aa5be3b78d 17 /* first byte is 0 for positive, non-zero for negative */
MiniTLS 0:35aa5be3b78d 18 if (b[0] == 0) {
MiniTLS 0:35aa5be3b78d 19 a->sign = FP_ZPOS;
MiniTLS 0:35aa5be3b78d 20 } else {
MiniTLS 0:35aa5be3b78d 21 a->sign = FP_NEG;
MiniTLS 0:35aa5be3b78d 22 }
MiniTLS 0:35aa5be3b78d 23 }
MiniTLS 0:35aa5be3b78d 24
MiniTLS 0:35aa5be3b78d 25 /* $Source: /cvs/libtom/tomsfastmath/src/bin/fp_read_signed_bin.c,v $ */
MiniTLS 0:35aa5be3b78d 26 /* $Revision: 1.1 $ */
MiniTLS 0:35aa5be3b78d 27 /* $Date: 2006/12/31 21:25:53 $ */