mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-26 20:53:07 +00:00
39 lines
1 KiB
C
39 lines
1 KiB
C
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#include "../../lib/parity/parity.h"
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#include <lib/nfc/protocols/mifare_classic.h>
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#include <lib/nfc/protocols/crypto1.h>
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#include "stddef.h"
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#define LF_POLY_ODD (0x29CE5C)
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#define LF_POLY_EVEN (0x870804)
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#define SWAPENDIAN(x) \
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((x) = ((x) >> 8 & 0xff00ff) | ((x)&0xff00ff) << 8, (x) = (x) >> 16 | (x) << 16)
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#define BEBIT(x, n) FURI_BIT(x, (n) ^ 24)
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void crypto1_reset(Crypto1* crypto1);
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void crypto1_init(Crypto1* crypto1, uint64_t key);
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uint32_t crypto1_filter(uint32_t in);
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uint8_t crypto1_bit(Crypto1* crypto1, uint8_t in, int is_encrypted);
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uint8_t crypto1_byte(Crypto1* crypto1, uint8_t in, int is_encrypted);
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uint32_t crypto1_word(Crypto1* crypto1, uint32_t in, int is_encrypted);
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uint32_t prng_successor(uint32_t x, uint32_t n);
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void crypto1_decrypt(
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Crypto1* crypto,
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uint8_t* encrypted_data,
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uint16_t encrypted_data_bits,
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uint8_t* decrypted_data);
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void crypto1_encrypt(
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Crypto1* crypto,
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uint8_t* keystream,
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uint8_t* plain_data,
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uint16_t plain_data_bits,
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uint8_t* encrypted_data,
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uint8_t* encrypted_parity);
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