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| author | J08nY | 2019-11-25 17:45:35 +0100 |
|---|---|---|
| committer | J08nY | 2019-11-25 17:45:35 +0100 |
| commit | 8a56c7a95e662862cfe78b834ccb091e95d5372f (patch) | |
| tree | 1fd57480b7fc681f00c0bfb6c0e5cfea86762f87 /pyecsca/codegen/simpleserial | |
| parent | c8d0bff46001bd5636825c5b0bb4c896cb34a4e6 (diff) | |
| download | pyecsca-codegen-8a56c7a95e662862cfe78b834ccb091e95d5372f.tar.gz pyecsca-codegen-8a56c7a95e662862cfe78b834ccb091e95d5372f.tar.zst pyecsca-codegen-8a56c7a95e662862cfe78b834ccb091e95d5372f.zip | |
Add libtommath, HOST build, and a simple PRNG.
Diffstat (limited to 'pyecsca/codegen/simpleserial')
| -rw-r--r-- | pyecsca/codegen/simpleserial/simpleserial.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/pyecsca/codegen/simpleserial/simpleserial.c b/pyecsca/codegen/simpleserial/simpleserial.c index 8205ed4..ca7c54d 100644 --- a/pyecsca/codegen/simpleserial/simpleserial.c +++ b/pyecsca/codegen/simpleserial/simpleserial.c @@ -3,6 +3,7 @@ #include "simpleserial.h" #include <stdint.h> #include "hal.h" +#include <stdio.h> typedef struct ss_cmd { @@ -28,10 +29,13 @@ static char hex_lookup[16] = int hex_decode(int len, char* ascii_buf, uint8_t* data_buf) { - for(int i = 0; i < len; i++) + if (len % 2 != 0) + return 1; + + for(int i = 0; i < len; i+=2) { - char n_hi = ascii_buf[2*i]; - char n_lo = ascii_buf[2*i+1]; + char n_hi = ascii_buf[i]; + char n_lo = ascii_buf[i+1]; if(n_lo >= '0' && n_lo <= '9') data_buf[i] = n_lo - '0'; @@ -125,7 +129,7 @@ void simpleserial_get(void) // Callback uint8_t ret[1]; - ret[0] = commands[cmd].fp(data_buf, i); + ret[0] = commands[cmd].fp(data_buf, i/2); // Acknowledge (if version is 1.1) #if SS_VER == SS_VER_1_1 |