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891 lines
31 KiB
891 lines
31 KiB
/* ---- SYMMETRIC KEY STUFF -----
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*
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* We put each of the ciphers scheduled keys in their own structs then we put all of
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* the key formats in one union. This makes the function prototypes easier to use.
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*/
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#ifdef LTC_BLOWFISH
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struct blowfish_key {
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ulong32 S[4][256];
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ulong32 K[18];
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};
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#endif
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#ifdef LTC_RC5
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struct rc5_key {
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int rounds;
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ulong32 K[50];
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};
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#endif
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#ifdef LTC_RC6
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struct rc6_key {
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ulong32 K[44];
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};
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#endif
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#ifdef LTC_SAFERP
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struct saferp_key {
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unsigned char K[33][16];
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long rounds;
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};
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#endif
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#ifdef LTC_RIJNDAEL
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struct rijndael_key {
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ulong32 eK[60], dK[60];
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int Nr;
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};
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#endif
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#ifdef LTC_KSEED
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struct kseed_key {
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ulong32 K[32], dK[32];
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};
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#endif
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#ifdef LTC_KASUMI
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struct kasumi_key {
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ulong32 KLi1[8], KLi2[8],
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KOi1[8], KOi2[8], KOi3[8],
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KIi1[8], KIi2[8], KIi3[8];
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};
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#endif
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#ifdef LTC_XTEA
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struct xtea_key {
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unsigned long A[32], B[32];
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};
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#endif
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#ifdef LTC_TWOFISH
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#ifndef LTC_TWOFISH_SMALL
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struct twofish_key {
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ulong32 S[4][256], K[40];
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};
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#else
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struct twofish_key {
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ulong32 K[40];
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unsigned char S[32], start;
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};
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#endif
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#endif
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#ifdef LTC_SAFER
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#define LTC_SAFER_K64_DEFAULT_NOF_ROUNDS 6
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#define LTC_SAFER_K128_DEFAULT_NOF_ROUNDS 10
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#define LTC_SAFER_SK64_DEFAULT_NOF_ROUNDS 8
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#define LTC_SAFER_SK128_DEFAULT_NOF_ROUNDS 10
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#define LTC_SAFER_MAX_NOF_ROUNDS 13
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#define LTC_SAFER_BLOCK_LEN 8
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#define LTC_SAFER_KEY_LEN (1 + LTC_SAFER_BLOCK_LEN * (1 + 2 * LTC_SAFER_MAX_NOF_ROUNDS))
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typedef unsigned char safer_block_t[LTC_SAFER_BLOCK_LEN];
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typedef unsigned char safer_key_t[LTC_SAFER_KEY_LEN];
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struct safer_key { safer_key_t key; };
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#endif
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#ifdef LTC_RC2
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struct rc2_key { unsigned xkey[64]; };
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#endif
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#ifdef LTC_DES
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struct des_key {
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ulong32 ek[32], dk[32];
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};
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struct des3_key {
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ulong32 ek[3][32], dk[3][32];
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};
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#endif
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#ifdef LTC_CAST5
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struct cast5_key {
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ulong32 K[32], keylen;
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};
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#endif
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#ifdef LTC_NOEKEON
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struct noekeon_key {
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ulong32 K[4], dK[4];
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};
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#endif
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#ifdef LTC_SKIPJACK
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struct skipjack_key {
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unsigned char key[10];
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};
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#endif
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#ifdef LTC_KHAZAD
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struct khazad_key {
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ulong64 roundKeyEnc[8 + 1];
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ulong64 roundKeyDec[8 + 1];
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};
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#endif
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#ifdef LTC_ANUBIS
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struct anubis_key {
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int keyBits;
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int R;
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ulong32 roundKeyEnc[18 + 1][4];
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ulong32 roundKeyDec[18 + 1][4];
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};
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#endif
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#ifdef LTC_MULTI2
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struct multi2_key {
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int N;
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ulong32 uk[8];
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};
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#endif
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typedef union Symmetric_key {
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#ifdef LTC_DES
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struct des_key des;
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struct des3_key des3;
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#endif
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#ifdef LTC_RC2
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struct rc2_key rc2;
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#endif
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#ifdef LTC_SAFER
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struct safer_key safer;
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#endif
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#ifdef LTC_TWOFISH
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struct twofish_key twofish;
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#endif
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#ifdef LTC_BLOWFISH
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struct blowfish_key blowfish;
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#endif
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#ifdef LTC_RC5
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struct rc5_key rc5;
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#endif
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#ifdef LTC_RC6
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struct rc6_key rc6;
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#endif
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#ifdef LTC_SAFERP
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struct saferp_key saferp;
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#endif
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#ifdef LTC_RIJNDAEL
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struct rijndael_key rijndael;
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#endif
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#ifdef LTC_XTEA
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struct xtea_key xtea;
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#endif
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#ifdef LTC_CAST5
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struct cast5_key cast5;
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#endif
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#ifdef LTC_NOEKEON
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struct noekeon_key noekeon;
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#endif
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#ifdef LTC_SKIPJACK
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struct skipjack_key skipjack;
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#endif
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#ifdef LTC_KHAZAD
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struct khazad_key khazad;
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#endif
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#ifdef LTC_ANUBIS
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struct anubis_key anubis;
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#endif
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#ifdef LTC_KSEED
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struct kseed_key kseed;
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#endif
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#ifdef LTC_KASUMI
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struct kasumi_key kasumi;
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#endif
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#ifdef LTC_MULTI2
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struct multi2_key multi2;
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#endif
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void *data;
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} symmetric_key;
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#ifdef LTC_ECB_MODE
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/** A block cipher ECB structure */
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typedef struct {
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/** The index of the cipher chosen */
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int cipher,
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/** The block size of the given cipher */
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blocklen;
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/** The scheduled key */
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symmetric_key key;
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} symmetric_ECB;
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#endif
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#ifdef LTC_CFB_MODE
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/** A block cipher CFB structure */
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typedef struct {
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/** The index of the cipher chosen */
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int cipher,
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/** The block size of the given cipher */
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blocklen,
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/** The padding offset */
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padlen;
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/** The current IV */
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unsigned char IV[MAXBLOCKSIZE],
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/** The pad used to encrypt/decrypt */
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pad[MAXBLOCKSIZE];
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/** The scheduled key */
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symmetric_key key;
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} symmetric_CFB;
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#endif
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#ifdef LTC_OFB_MODE
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/** A block cipher OFB structure */
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typedef struct {
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/** The index of the cipher chosen */
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int cipher,
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/** The block size of the given cipher */
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blocklen,
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/** The padding offset */
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padlen;
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/** The current IV */
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unsigned char IV[MAXBLOCKSIZE];
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/** The scheduled key */
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symmetric_key key;
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} symmetric_OFB;
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#endif
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#ifdef LTC_CBC_MODE
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/** A block cipher CBC structure */
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typedef struct {
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/** The index of the cipher chosen */
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int cipher,
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/** The block size of the given cipher */
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blocklen;
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/** The current IV */
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unsigned char IV[MAXBLOCKSIZE];
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/** The scheduled key */
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symmetric_key key;
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} symmetric_CBC;
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#endif
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#ifdef LTC_CTR_MODE
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/** A block cipher CTR structure */
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typedef struct {
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/** The index of the cipher chosen */
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int cipher,
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/** The block size of the given cipher */
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blocklen,
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/** The padding offset */
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padlen,
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/** The mode (endianess) of the CTR, 0==little, 1==big */
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mode,
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/** counter width */
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ctrlen;
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/** The counter */
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unsigned char ctr[MAXBLOCKSIZE],
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/** The pad used to encrypt/decrypt */
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pad[MAXBLOCKSIZE];
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/** The scheduled key */
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symmetric_key key;
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} symmetric_CTR;
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#endif
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#ifdef LTC_LRW_MODE
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/** A LRW structure */
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typedef struct {
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/** The index of the cipher chosen (must be a 128-bit block cipher) */
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int cipher;
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/** The current IV */
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unsigned char IV[16],
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/** the tweak key */
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tweak[16],
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/** The current pad, it's the product of the first 15 bytes against the tweak key */
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pad[16];
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/** The scheduled symmetric key */
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symmetric_key key;
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#ifdef LRW_TABLES
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/** The pre-computed multiplication table */
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unsigned char PC[16][256][16];
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#endif
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} symmetric_LRW;
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#endif
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#ifdef LTC_F8_MODE
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/** A block cipher F8 structure */
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typedef struct {
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/** The index of the cipher chosen */
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int cipher,
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/** The block size of the given cipher */
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blocklen,
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/** The padding offset */
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padlen;
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/** The current IV */
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unsigned char IV[MAXBLOCKSIZE],
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MIV[MAXBLOCKSIZE];
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/** Current block count */
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ulong32 blockcnt;
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/** The scheduled key */
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symmetric_key key;
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} symmetric_F8;
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#endif
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/** cipher descriptor table, last entry has "name == NULL" to mark the end of table */
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extern struct ltc_cipher_descriptor {
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/** name of cipher */
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char *name;
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/** internal ID */
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unsigned char ID;
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/** min keysize (octets) */
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int min_key_length,
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/** max keysize (octets) */
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max_key_length,
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/** block size (octets) */
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block_length,
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/** default number of rounds */
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default_rounds;
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/** Setup the cipher
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@param key The input symmetric key
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@param keylen The length of the input key (octets)
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@param num_rounds The requested number of rounds (0==default)
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@param skey [out] The destination of the scheduled key
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@return CRYPT_OK if successful
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*/
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int (*setup)(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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/** Encrypt a block
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@param pt The plaintext
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@param ct [out] The ciphertext
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@param skey The scheduled key
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@return CRYPT_OK if successful
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*/
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int (*ecb_encrypt)(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
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/** Decrypt a block
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@param ct The ciphertext
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@param pt [out] The plaintext
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@param skey The scheduled key
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@return CRYPT_OK if successful
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*/
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int (*ecb_decrypt)(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
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/** Test the block cipher
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@return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
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*/
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int (*test)(void);
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/** Terminate the context
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@param skey The scheduled key
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*/
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void (*done)(symmetric_key *skey);
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/** Determine a key size
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@param keysize [in/out] The size of the key desired and the suggested size
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@return CRYPT_OK if successful
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*/
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int (*keysize)(int *keysize);
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/** Accelerators **/
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/** Accelerated ECB encryption
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@param pt Plaintext
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@param ct Ciphertext
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@param blocks The number of complete blocks to process
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_ecb_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, symmetric_key *skey);
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/** Accelerated ECB decryption
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@param pt Plaintext
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@param ct Ciphertext
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@param blocks The number of complete blocks to process
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_ecb_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, symmetric_key *skey);
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/** Accelerated CBC encryption
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@param pt Plaintext
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@param ct Ciphertext
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@param blocks The number of complete blocks to process
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@param IV The initial value (input/output)
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_cbc_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, symmetric_key *skey);
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/** Accelerated CBC decryption
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@param pt Plaintext
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@param ct Ciphertext
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@param blocks The number of complete blocks to process
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@param IV The initial value (input/output)
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_cbc_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, symmetric_key *skey);
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/** Accelerated CTR encryption
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@param pt Plaintext
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@param ct Ciphertext
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@param blocks The number of complete blocks to process
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@param IV The initial value (input/output)
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@param mode little or big endian counter (mode=0 or mode=1)
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_ctr_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, int mode, symmetric_key *skey);
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/** Accelerated LRW
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@param pt Plaintext
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@param ct Ciphertext
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@param blocks The number of complete blocks to process
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@param IV The initial value (input/output)
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@param tweak The LRW tweak
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_lrw_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey);
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/** Accelerated LRW
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@param ct Ciphertext
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@param pt Plaintext
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@param blocks The number of complete blocks to process
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@param IV The initial value (input/output)
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@param tweak The LRW tweak
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@param skey The scheduled key context
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@return CRYPT_OK if successful
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*/
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int (*accel_lrw_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey);
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/** Accelerated CCM packet (one-shot)
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@param key The secret key to use
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@param keylen The length of the secret key (octets)
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@param uskey A previously scheduled key [optional can be NULL]
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@param nonce The session nonce [use once]
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@param noncelen The length of the nonce
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@param header The header for the session
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@param headerlen The length of the header (octets)
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@param pt [out] The plaintext
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@param ptlen The length of the plaintext (octets)
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@param ct [out] The ciphertext
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@param tag [out] The destination tag
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@param taglen [in/out] The max size and resulting size of the authentication tag
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@param direction Encrypt or Decrypt direction (0 or 1)
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@return CRYPT_OK if successful
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*/
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int (*accel_ccm_memory)(
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const unsigned char *key, unsigned long keylen,
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symmetric_key *uskey,
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const unsigned char *nonce, unsigned long noncelen,
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const unsigned char *header, unsigned long headerlen,
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unsigned char *pt, unsigned long ptlen,
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unsigned char *ct,
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unsigned char *tag, unsigned long *taglen,
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int direction);
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/** Accelerated GCM packet (one shot)
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@param key The secret key
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@param keylen The length of the secret key
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@param IV The initial vector
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@param IVlen The length of the initial vector
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@param adata The additional authentication data (header)
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@param adatalen The length of the adata
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@param pt The plaintext
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@param ptlen The length of the plaintext (ciphertext length is the same)
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@param ct The ciphertext
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@param tag [out] The MAC tag
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@param taglen [in/out] The MAC tag length
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@param direction Encrypt or Decrypt mode (GCM_ENCRYPT or GCM_DECRYPT)
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@return CRYPT_OK on success
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*/
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int (*accel_gcm_memory)(
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const unsigned char *key, unsigned long keylen,
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const unsigned char *IV, unsigned long IVlen,
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const unsigned char *adata, unsigned long adatalen,
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unsigned char *pt, unsigned long ptlen,
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unsigned char *ct,
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unsigned char *tag, unsigned long *taglen,
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int direction);
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/** Accelerated one shot LTC_OMAC
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@param key The secret key
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@param keylen The key length (octets)
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@param in The message
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@param inlen Length of message (octets)
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@param out [out] Destination for tag
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@param outlen [in/out] Initial and final size of out
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@return CRYPT_OK on success
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*/
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int (*omac_memory)(
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const unsigned char *key, unsigned long keylen,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen);
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/** Accelerated one shot XCBC
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@param key The secret key
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@param keylen The key length (octets)
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@param in The message
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@param inlen Length of message (octets)
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@param out [out] Destination for tag
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@param outlen [in/out] Initial and final size of out
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@return CRYPT_OK on success
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*/
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int (*xcbc_memory)(
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const unsigned char *key, unsigned long keylen,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen);
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/** Accelerated one shot F9
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@param key The secret key
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@param keylen The key length (octets)
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@param in The message
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@param inlen Length of message (octets)
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@param out [out] Destination for tag
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@param outlen [in/out] Initial and final size of out
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@return CRYPT_OK on success
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@remark Requires manual padding
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*/
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int (*f9_memory)(
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const unsigned char *key, unsigned long keylen,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen);
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} cipher_descriptor[];
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#ifdef LTC_BLOWFISH
|
|
int blowfish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int blowfish_test(void);
|
|
void blowfish_done(symmetric_key *skey);
|
|
int blowfish_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor blowfish_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_RC5
|
|
int rc5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int rc5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int rc5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int rc5_test(void);
|
|
void rc5_done(symmetric_key *skey);
|
|
int rc5_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor rc5_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_RC6
|
|
int rc6_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int rc6_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int rc6_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int rc6_test(void);
|
|
void rc6_done(symmetric_key *skey);
|
|
int rc6_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor rc6_desc;
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|
#endif
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|
|
|
#ifdef LTC_RC2
|
|
int rc2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int rc2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int rc2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int rc2_test(void);
|
|
void rc2_done(symmetric_key *skey);
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|
int rc2_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor rc2_desc;
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|
#endif
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|
|
|
#ifdef LTC_SAFERP
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int saferp_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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int saferp_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
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|
int saferp_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int saferp_test(void);
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|
void saferp_done(symmetric_key *skey);
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|
int saferp_keysize(int *keysize);
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|
extern const struct ltc_cipher_descriptor saferp_desc;
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#endif
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|
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#ifdef LTC_SAFER
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int safer_k64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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int safer_sk64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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int safer_k128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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int safer_sk128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
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int safer_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *key);
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int safer_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key);
|
|
int safer_k64_test(void);
|
|
int safer_sk64_test(void);
|
|
int safer_sk128_test(void);
|
|
void safer_done(symmetric_key *skey);
|
|
int safer_64_keysize(int *keysize);
|
|
int safer_128_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor safer_k64_desc, safer_k128_desc, safer_sk64_desc, safer_sk128_desc;
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|
#endif
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|
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#ifdef LTC_RIJNDAEL
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|
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/* make aes an alias */
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#define aes_setup rijndael_setup
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|
#define aes_ecb_encrypt rijndael_ecb_encrypt
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|
#define aes_ecb_decrypt rijndael_ecb_decrypt
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|
#define aes_test rijndael_test
|
|
#define aes_done rijndael_done
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|
#define aes_keysize rijndael_keysize
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|
|
|
#define aes_enc_setup rijndael_enc_setup
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|
#define aes_enc_ecb_encrypt rijndael_enc_ecb_encrypt
|
|
#define aes_enc_keysize rijndael_enc_keysize
|
|
|
|
int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int rijndael_test(void);
|
|
void rijndael_done(symmetric_key *skey);
|
|
int rijndael_keysize(int *keysize);
|
|
int rijndael_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int rijndael_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
void rijndael_enc_done(symmetric_key *skey);
|
|
int rijndael_enc_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc;
|
|
extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_XTEA
|
|
int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int xtea_test(void);
|
|
void xtea_done(symmetric_key *skey);
|
|
int xtea_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor xtea_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_TWOFISH
|
|
int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int twofish_test(void);
|
|
void twofish_done(symmetric_key *skey);
|
|
int twofish_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor twofish_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_DES
|
|
int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int des_test(void);
|
|
void des_done(symmetric_key *skey);
|
|
int des_keysize(int *keysize);
|
|
int des3_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int des3_test(void);
|
|
void des3_done(symmetric_key *skey);
|
|
int des3_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor des_desc, des3_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_CAST5
|
|
int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int cast5_test(void);
|
|
void cast5_done(symmetric_key *skey);
|
|
int cast5_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor cast5_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_NOEKEON
|
|
int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int noekeon_test(void);
|
|
void noekeon_done(symmetric_key *skey);
|
|
int noekeon_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor noekeon_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_SKIPJACK
|
|
int skipjack_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int skipjack_test(void);
|
|
void skipjack_done(symmetric_key *skey);
|
|
int skipjack_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor skipjack_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_KHAZAD
|
|
int khazad_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int khazad_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int khazad_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int khazad_test(void);
|
|
void khazad_done(symmetric_key *skey);
|
|
int khazad_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor khazad_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_ANUBIS
|
|
int anubis_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int anubis_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int anubis_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int anubis_test(void);
|
|
void anubis_done(symmetric_key *skey);
|
|
int anubis_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor anubis_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_KSEED
|
|
int kseed_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int kseed_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int kseed_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int kseed_test(void);
|
|
void kseed_done(symmetric_key *skey);
|
|
int kseed_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor kseed_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_KASUMI
|
|
int kasumi_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int kasumi_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int kasumi_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int kasumi_test(void);
|
|
void kasumi_done(symmetric_key *skey);
|
|
int kasumi_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor kasumi_desc;
|
|
#endif
|
|
|
|
|
|
#ifdef LTC_MULTI2
|
|
int multi2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
|
|
int multi2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
|
|
int multi2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
|
|
int multi2_test(void);
|
|
void multi2_done(symmetric_key *skey);
|
|
int multi2_keysize(int *keysize);
|
|
extern const struct ltc_cipher_descriptor multi2_desc;
|
|
#endif
|
|
|
|
#ifdef LTC_ECB_MODE
|
|
int ecb_start(int cipher, const unsigned char *key,
|
|
int keylen, int num_rounds, symmetric_ECB *ecb);
|
|
int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb);
|
|
int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb);
|
|
int ecb_done(symmetric_ECB *ecb);
|
|
#endif
|
|
|
|
#ifdef LTC_CFB_MODE
|
|
int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key,
|
|
int keylen, int num_rounds, symmetric_CFB *cfb);
|
|
int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CFB *cfb);
|
|
int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CFB *cfb);
|
|
int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb);
|
|
int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb);
|
|
int cfb_done(symmetric_CFB *cfb);
|
|
#endif
|
|
|
|
#ifdef LTC_OFB_MODE
|
|
int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key,
|
|
int keylen, int num_rounds, symmetric_OFB *ofb);
|
|
int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb);
|
|
int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb);
|
|
int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb);
|
|
int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb);
|
|
int ofb_done(symmetric_OFB *ofb);
|
|
#endif
|
|
|
|
#ifdef LTC_CBC_MODE
|
|
int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key,
|
|
int keylen, int num_rounds, symmetric_CBC *cbc);
|
|
int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CBC *cbc);
|
|
int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc);
|
|
int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc);
|
|
int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc);
|
|
int cbc_done(symmetric_CBC *cbc);
|
|
#endif
|
|
|
|
#ifdef LTC_CTR_MODE
|
|
|
|
#define CTR_COUNTER_LITTLE_ENDIAN 0x0000
|
|
#define CTR_COUNTER_BIG_ENDIAN 0x1000
|
|
#define LTC_CTR_RFC3686 0x2000
|
|
|
|
int ctr_start( int cipher,
|
|
const unsigned char *IV,
|
|
const unsigned char *key, int keylen,
|
|
int num_rounds, int ctr_mode,
|
|
symmetric_CTR *ctr);
|
|
int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr);
|
|
int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr);
|
|
int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr);
|
|
int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr);
|
|
int ctr_done(symmetric_CTR *ctr);
|
|
int ctr_test(void);
|
|
#endif
|
|
|
|
#ifdef LTC_LRW_MODE
|
|
|
|
#define LRW_ENCRYPT 0
|
|
#define LRW_DECRYPT 1
|
|
|
|
int lrw_start( int cipher,
|
|
const unsigned char *IV,
|
|
const unsigned char *key, int keylen,
|
|
const unsigned char *tweak,
|
|
int num_rounds,
|
|
symmetric_LRW *lrw);
|
|
int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw);
|
|
int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw);
|
|
int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw);
|
|
int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw);
|
|
int lrw_done(symmetric_LRW *lrw);
|
|
int lrw_test(void);
|
|
|
|
/* don't call */
|
|
int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw);
|
|
#endif
|
|
|
|
#ifdef LTC_F8_MODE
|
|
int f8_start( int cipher, const unsigned char *IV,
|
|
const unsigned char *key, int keylen,
|
|
const unsigned char *salt_key, int skeylen,
|
|
int num_rounds, symmetric_F8 *f8);
|
|
int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_F8 *f8);
|
|
int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_F8 *f8);
|
|
int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8);
|
|
int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8);
|
|
int f8_done(symmetric_F8 *f8);
|
|
int f8_test_mode(void);
|
|
#endif
|
|
|
|
#ifdef LTC_XTS_MODE
|
|
typedef struct {
|
|
symmetric_key key1, key2;
|
|
int cipher;
|
|
} symmetric_xts;
|
|
|
|
int xts_start( int cipher,
|
|
const unsigned char *key1,
|
|
const unsigned char *key2,
|
|
unsigned long keylen,
|
|
int num_rounds,
|
|
symmetric_xts *xts);
|
|
|
|
int xts_encrypt(
|
|
const unsigned char *pt, unsigned long ptlen,
|
|
unsigned char *ct,
|
|
const unsigned char *tweak,
|
|
symmetric_xts *xts);
|
|
int xts_decrypt(
|
|
const unsigned char *ct, unsigned long ptlen,
|
|
unsigned char *pt,
|
|
const unsigned char *tweak,
|
|
symmetric_xts *xts);
|
|
|
|
void xts_done(symmetric_xts *xts);
|
|
int xts_test(void);
|
|
void xts_mult_x(unsigned char *I);
|
|
#endif
|
|
|
|
int find_cipher(const char *name);
|
|
int find_cipher_any(const char *name, int blocklen, int keylen);
|
|
int find_cipher_id(unsigned char ID);
|
|
int register_cipher(const struct ltc_cipher_descriptor *cipher);
|
|
int unregister_cipher(const struct ltc_cipher_descriptor *cipher);
|
|
int cipher_is_valid(int idx);
|
|
|
|
LTC_MUTEX_PROTO(ltc_cipher_mutex)
|
|
|
|
/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cipher.h,v $ */
|
|
/* $Revision: 1.54 $ */
|
|
/* $Date: 2007/05/12 14:37:41 $ */
|
|
|