diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/fcrypt_b.c')
-rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/fcrypt_b.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/fcrypt_b.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/fcrypt_b.c new file mode 100644 index 000000000..22f967b8c --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/fcrypt_b.c @@ -0,0 +1,72 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> + +#define DES_FCRYPT +#include "des_local.h" +#undef DES_FCRYPT + +#undef PERM_OP +#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ + (b)^=(t),\ + (a)^=((t)<<(n))) + +#undef HPERM_OP +#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ + (a)=(a)^(t)^(t>>(16-(n))))\ + +void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0, + DES_LONG Eswap1) +{ + register DES_LONG l, r, t, u; + register DES_LONG *s; + register int j; + register DES_LONG E0, E1; + + l = 0; + r = 0; + + s = (DES_LONG *)ks; + E0 = Eswap0; + E1 = Eswap1; + + for (j = 0; j < 25; j++) { + D_ENCRYPT(l, r, 0); /* 1 */ + D_ENCRYPT(r, l, 2); /* 2 */ + D_ENCRYPT(l, r, 4); /* 3 */ + D_ENCRYPT(r, l, 6); /* 4 */ + D_ENCRYPT(l, r, 8); /* 5 */ + D_ENCRYPT(r, l, 10); /* 6 */ + D_ENCRYPT(l, r, 12); /* 7 */ + D_ENCRYPT(r, l, 14); /* 8 */ + D_ENCRYPT(l, r, 16); /* 9 */ + D_ENCRYPT(r, l, 18); /* 10 */ + D_ENCRYPT(l, r, 20); /* 11 */ + D_ENCRYPT(r, l, 22); /* 12 */ + D_ENCRYPT(l, r, 24); /* 13 */ + D_ENCRYPT(r, l, 26); /* 14 */ + D_ENCRYPT(l, r, 28); /* 15 */ + D_ENCRYPT(r, l, 30); /* 16 */ + t = l; + l = r; + r = t; + } + l = ROTATE(l, 3) & 0xffffffffL; + r = ROTATE(r, 3) & 0xffffffffL; + + PERM_OP(l, r, t, 1, 0x55555555L); + PERM_OP(r, l, t, 8, 0x00ff00ffL); + PERM_OP(l, r, t, 2, 0x33333333L); + PERM_OP(r, l, t, 16, 0x0000ffffL); + PERM_OP(l, r, t, 4, 0x0f0f0f0fL); + + out[0] = r; + out[1] = l; +} |