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feat(crypto): add ARC4 implementation

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fallenoak 2023-03-23 12:48:16 -05:00 • committed by GitHub
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commit a9bfaa02fc
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test/Crypto.cpp Normal file
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#include "storm/Crypto.hpp"
#include "test/Test.hpp"
#include <cstring>
TEST_CASE("SARC4ProcessBuffer", "[crypto]") {
SECTION("correctly processes given non-zero input for given non-zero key") {
uint8_t key[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
SARC4Key rc4Key;
SARC4PrepareKey(key, sizeof(key), &rc4Key);
uint8_t input[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
uint8_t processed[] = { 0x75, 0xB7, 0x87, 0x80, 0x99, 0xE0, 0xC5, 0x96 };
SARC4ProcessBuffer(input, sizeof(input), &rc4Key, &rc4Key);
REQUIRE(!memcmp(input, processed, sizeof(input)));
}
SECTION("correctly processes given all-zero input for given non-zero key") {
uint8_t key[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
SARC4Key rc4Key;
SARC4PrepareKey(key, sizeof(key), &rc4Key);
uint8_t input[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t processed[] = { 0x74, 0x94, 0xC2, 0xE7, 0x10, 0x4B, 0x08, 0x79 };
SARC4ProcessBuffer(input, sizeof(input), &rc4Key, &rc4Key);
REQUIRE(!memcmp(input, processed, sizeof(input)));
}
SECTION("correctly processes given all-zero input for given all-zero key") {
uint8_t key[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
SARC4Key rc4Key;
SARC4PrepareKey(key, sizeof(key), &rc4Key);
uint8_t input[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t processed[] = { 0xDE, 0x18, 0x89, 0x41, 0xA3, 0x37, 0x5D, 0x3A };
SARC4ProcessBuffer(input, sizeof(input), &rc4Key, &rc4Key);
REQUIRE(!memcmp(input, processed, sizeof(input)));
}
}