28 lines
753 B
C
28 lines
753 B
C
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#include<stdio.h>
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#include<string.h>
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struct String {
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int len;
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char* str;
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};
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void encryptDecrypt(struct String* inpString,struct String* key) {
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for (size_t i = 0; i < inpString->len; i++)
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inpString->str[i] = inpString->str[i] ^ key->str[i%key->len];
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}
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int main(void) {
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char sampleString[] = "Hello world";
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struct String s_sampleString = {strlen(sampleString),sampleString};
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char key[] = "HASSWORD";//HASSWORD
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struct String s_key = {strlen(key),key};
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printf("Encrypted String: ");
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encryptDecrypt(&s_sampleString, &s_key);//HASSWORD
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printf("%s\n", sampleString);
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printf("Decrypted String: ");
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encryptDecrypt(&s_sampleString, &s_key);//HASSWORD
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printf("%s\n", sampleString);
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return 0;
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}
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