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Fix types in frequency_score

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Dimitri Lozeve 2020-06-04 12:05:35 +02:00
parent cd7c584e6f
commit a47bcc8f9e
4 changed files with 6 additions and 6 deletions
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6
ex03/main.c
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@ -14,10 +14,10 @@ int main(int argc, char *argv[]) {
unsigned char buf[512] = {0}; unsigned char buf[512] = {0};
size_t len = hex_to_bytes(buf, argv[1]); size_t len = hex_to_bytes(buf, argv[1]);
unsigned char cur[512]; char cur[512];
double min_score = INFINITY; double min_score = INFINITY;
unsigned char key; char key;
unsigned char best[512]; char best[512];
// Test for keys from A to z // Test for keys from A to z
for (char c = 65; c < 127; ++c) { for (char c = 65; c < 127; ++c) {
for (size_t i = 0; i < len; ++i) { for (size_t i = 0; i < len; ++i) {

2
ex04/main.c
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@ -31,7 +31,7 @@ int main(int argc, char *argv[]) {
unsigned char buf[512] = {0}; unsigned char buf[512] = {0};
len = hex_to_bytes(buf, line); len = hex_to_bytes(buf, line);
unsigned char cur[512] = {'\0'}; char cur[512] = {'\0'};
for (char c = 32; c < 127; ++c) { for (char c = 32; c < 127; ++c) {
for (size_t i = 0; i < len; ++i) { for (size_t i = 0; i < len; ++i) {
cur[i] = buf[i] ^ c; cur[i] = buf[i] ^ c;

2
utils.c
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@ -50,7 +50,7 @@ char *bytes_to_base64(char *out, const unsigned char in[static 1], size_t len) {
return out; return out;
} }
double frequency_score(unsigned char *buf, size_t len) { double frequency_score(const char *buf, size_t len) {
static const double english_freqs[27] = { static const double english_freqs[27] = {
0.08167, 0.01492, 0.02782, 0.04253, 0.12702, 0.02228, 0.02015, // A-G 0.08167, 0.01492, 0.02782, 0.04253, 0.12702, 0.02228, 0.02015, // A-G
0.06094, 0.06966, 0.00153, 0.00772, 0.04025, 0.02406, 0.06749, // H-N 0.06094, 0.06966, 0.00153, 0.00772, 0.04025, 0.02406, 0.06749, // H-N

2
utils.h
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@ -6,7 +6,7 @@
unsigned char hex_to_byte(const char c); unsigned char hex_to_byte(const char c);
size_t hex_to_bytes(unsigned char *out, const char hex[static 1]); size_t hex_to_bytes(unsigned char *out, const char hex[static 1]);
char *bytes_to_base64(char *out, const unsigned char in[static 1], size_t len); char *bytes_to_base64(char *out, const unsigned char in[static 1], size_t len);
double frequency_score(unsigned char *buf, size_t len); double frequency_score(const char *buf, size_t len);
unsigned int hamming(const char *s1, const char *s2); unsigned int hamming(const char *s1, const char *s2);
#endif /* UTILS_H */ #endif /* UTILS_H */