the tests include encrypt()
Signed-off-by: geraldo netto <geraldone...@gmail.com>
---
tests/tst-crypt.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 tests/tst-crypt.c
diff --git a/tests/tst-crypt.c b/tests/tst-crypt.c
new file mode 100644
index 0000000..919d4e5
--- /dev/null
+++ b/tests/tst-crypt.c
@@ -0,0 +1,71 @@
+#define _XOPEN_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <crypt.h>
+
+char* concat_str(char* first_block, char* second_block) {
+ static char tmp[10];
+ memset(tmp, 0, sizeof(tmp));
+ strncat(tmp, first_block, sizeof(first_block));
+ strncat(tmp, second_block, sizeof(second_block));
+ return tmp;
+}
+
+int main(void) {
+ // http://man7.org/linux/man-pages/man3/crypt.3.html
+ char password[] = "Ab(d3";
+ char salt[] = "201802221723";
+ char result1[] = "20338EPKt5xtY";
+ char result2[] = "$1$Ab(d3$.SgUCw1AqIVAiXBaS6kzU.";
+ char result3[] = "$5$Ab(d3$00nkgDrj2dM68IbqFTZPJ.a3mgai49mY.Ezq5ey0xY0";
+ char result4[] =
"$6$Ab(d3$TB6UIPV7sprvpcQh2esPr2/ye4FTp9lLft8yAj.2x/HcTXPwzGDxdK/tIF10DdVdV9Z2hhc3MaosUBS3fdueZ1";
+
+ // 20338EPKt5xtY
+ if (strcmp(result1, crypt(password, salt)) != 0) return -1;
+
+ // $1$Ab(d3$.SgUCw1AqIVAiXBaS6kzU.
+ if (strcmp(result2, crypt(password, concat_str((char*) "$1$",
password))) != 0) return -2;
+
+ // gnu libc extension
+ //if (strcmp((null), crypt(password, concat_str((char*) "$2$",
password)))) return -7;
+ //if (strcmp((null), crypt(password, concat_str((char*) "$2a",
password)))) return -8;
+
+ // $5$Ab(d3$00nkgDrj2dM68IbqFTZPJ.a3mgai49mY.Ezq5ey0xY0
+ if (strcmp(result3, crypt(password, concat_str((char*) "$5$",
password))) != 0) return -3;
+
+ //
$6$Ab(d3$TB6UIPV7sprvpcQh2esPr2/ye4FTp9lLft8yAj.2x/HcTXPwzGDxdK/tIF10DdVdV9Z2hhc3MaosUBS3fdueZ1
+ if (strcmp(result4, crypt(password, concat_str((char*) "$6$",
password))) !=0) return -4;
+
+ // encrypt
+ // http://man7.org/linux/man-pages/man3/encrypt.3.html
+ char key[64];
+ char buf[64];
+ char txt[9];
+ int i, j;
+
+ for (i = 0; i < 8; i++) {
+ for (j = 0; j < 8; j++) {
+ buf[i * 8 + j] = password[i] >> j & 1;
+ }
+ setkey(key);
+ }
+
+ encrypt(buf, 0);
+ for (i = 0; i < 8; i++) {
+ for (j = 0, txt[i] = '\0'; j < 8; j++) {
+ txt[i] |= buf[i * 8 + j] << j;
+ }
+ txt[8] = '\0';
+ }
+ if (strcmp(password, txt) == 0) return -5;
+
+ encrypt(buf, 1);
+ for (i = 0; i < 8; i++) {
+ for (j = 0, txt[i] = '\0'; j < 8; j++) {
+ txt[i] |= buf[i * 8 + j] << j;
+ }
+ txt[8] = '\0';
+ }
+
+ return (strcmp(password, txt) == 0) ? 0 : -6;
+}
--
2.7.4
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