23 lines
614 B
C
23 lines
614 B
C
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#include<stdio.h>
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#include<string.h>
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void encryptDecrypt(char inpString[], char key[]) {
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size_t len = strlen(inpString);
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size_t key_len = strlen(key);
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for (size_t i = 0; i < len; i++) {
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inpString[i] = inpString[i] ^ key[i%key_len];
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}
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}
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int main(void) {
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char sampleString[] = "Hello world";
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char key[] = "PASSWORD";//HASSWORD
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printf("Encrypted String: ");
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encryptDecrypt(sampleString, key);//HASSWORD
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printf("%s\n", sampleString);
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printf("Decrypted String: ");
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encryptDecrypt(sampleString, key);//HASSWORD
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printf("%s\n", sampleString);
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return 0;
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}
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