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rijndael: enable decrypt with ENABLE_RIJNDAEL_ENCRYPT

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This commit is contained in:
Matthias Ringwald 2020-08-31 16:08:54 +02:00
parent b5c379c15e
commit 58039fbfdc
1 changed files with 6 additions and 0 deletions
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6
3rd-party/rijndael/rijndael.c vendored
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@ -350,6 +350,7 @@ static const u32 Te4[256] =
0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
}; };
#ifdef ENABLE_RIJNDAEL_DECRYPT
static const u32 Td0[256] = static const u32 Td0[256] =
{ {
0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
@ -689,6 +690,7 @@ static const u32 Td4[256] =
0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U, 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU, 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
}; };
#endif
static const u32 rcon[] = static const u32 rcon[] =
{ {
@ -797,6 +799,7 @@ int rijndaelSetupEncrypt(u32 *rk, const u8 *key, int keybits)
return 0; return 0;
} }
#ifdef ENABLE_RIJNDAEL_DECRYPT
/** /**
* Expand the cipher key into the decryption key schedule. * Expand the cipher key into the decryption key schedule.
* *
@ -844,6 +847,7 @@ int rijndaelSetupDecrypt(u32 *rk, const u8 *key, int keybits)
} }
return nrounds; return nrounds;
} }
#endif
void rijndaelEncrypt(const u32 *rk, int nrounds, const u8 plaintext[16], void rijndaelEncrypt(const u32 *rk, int nrounds, const u8 plaintext[16],
u8 ciphertext[16]) u8 ciphertext[16])
@ -1030,6 +1034,7 @@ void rijndaelEncrypt(const u32 *rk, int nrounds, const u8 plaintext[16],
} }
#ifdef ENABLE_RIJNDAEL_DECRYPT
void rijndaelDecrypt(const u32 *rk, int nrounds, const u8 ciphertext[16], void rijndaelDecrypt(const u32 *rk, int nrounds, const u8 ciphertext[16],
u8 plaintext[16]) u8 plaintext[16])
{ {
@ -1218,3 +1223,4 @@ u32 s0, s1, s2, s3, t0, t1, t2, t3;
} }
#endif