Crypto build cleanup: remove CONFIG_NO_AES_ENCRYPT

[libeap.git] / src / crypto / aes-internal.c

diff --git a/src/crypto/aes-internal.c b/src/crypto/aes-internal.c
index 8824dac..4161220 100644 (file)
--- a/src/crypto/aes-internal.c
+++ b/src/crypto/aes-internal.c
@@ -803,97 +803,3 @@ void rijndaelKeySetupEnc(u32 rk[/*44*/], const u8 cipherKey[])
                rk += 4;
        }
 }
-
-#ifndef CONFIG_NO_AES_ENCRYPT
-void rijndaelEncrypt(const u32 rk[/*44*/], const u8 pt[16], u8 ct[16])
-{
-       u32 s0, s1, s2, s3, t0, t1, t2, t3;
-       const int Nr = 10;
-#ifndef FULL_UNROLL
-       int r;
-#endif /* ?FULL_UNROLL */
-
-       /*
-        * map byte array block to cipher state
-        * and add initial round key:
-        */
-       s0 = GETU32(pt     ) ^ rk[0];
-       s1 = GETU32(pt +  4) ^ rk[1];
-       s2 = GETU32(pt +  8) ^ rk[2];
-       s3 = GETU32(pt + 12) ^ rk[3];
-
-#define ROUND(i,d,s) \
-d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[4 * i]; \
-d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \
-d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \
-d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3]
-
-#ifdef FULL_UNROLL
-
-       ROUND(1,t,s);
-       ROUND(2,s,t);
-       ROUND(3,t,s);
-       ROUND(4,s,t);
-       ROUND(5,t,s);
-       ROUND(6,s,t);
-       ROUND(7,t,s);
-       ROUND(8,s,t);
-       ROUND(9,t,s);
-
-       rk += Nr << 2;
-
-#else  /* !FULL_UNROLL */
-
-       /* Nr - 1 full rounds: */
-       r = Nr >> 1;
-       for (;;) {
-               ROUND(1,t,s);
-               rk += 8;
-               if (--r == 0)
-                       break;
-               ROUND(0,s,t);
-       }
-
-#endif /* ?FULL_UNROLL */
-
-#undef ROUND
-
-       /*
-        * apply last round and
-        * map cipher state to byte array block:
-        */
-       s0 = TE41(t0) ^ TE42(t1) ^ TE43(t2) ^ TE44(t3) ^ rk[0];
-       PUTU32(ct     , s0);
-       s1 = TE41(t1) ^ TE42(t2) ^ TE43(t3) ^ TE44(t0) ^ rk[1];
-       PUTU32(ct +  4, s1);
-       s2 = TE41(t2) ^ TE42(t3) ^ TE43(t0) ^ TE44(t1) ^ rk[2];
-       PUTU32(ct +  8, s2);
-       s3 = TE41(t3) ^ TE42(t0) ^ TE43(t1) ^ TE44(t2) ^ rk[3];
-       PUTU32(ct + 12, s3);
-}
-
-void * aes_encrypt_init(const u8 *key, size_t len)
-{
-       u32 *rk;
-       if (len != 16)
-               return NULL;
-       rk = os_malloc(AES_PRIV_SIZE);
-       if (rk == NULL)
-               return NULL;
-       rijndaelKeySetupEnc(rk, key);
-       return rk;
-}
-
-
-void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
-{
-       rijndaelEncrypt(ctx, plain, crypt);
-}
-
-
-void aes_encrypt_deinit(void *ctx)
-{
-       os_memset(ctx, 0, AES_PRIV_SIZE);
-       os_free(ctx);
-}
-#endif /* CONFIG_NO_AES_ENCRYPT */