1 /* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* 11 * BF low level APIs are deprecated for public use, but still ok for internal 12 * use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <openssl/blowfish.h> 17 #include "bf_local.h" 18 #include <openssl/opensslv.h> 19 20 /* 21 * Blowfish as implemented from 'Blowfish: Springer-Verlag paper' (From 22 * LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION, CAMBRIDGE 23 * SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993) 24 */ 25 26 const char *BF_options(void) 27 { 28 return "blowfish(ptr)"; 29 } 30 31 void BF_ecb_encrypt(const unsigned char *in, unsigned char *out, 32 const BF_KEY *key, int encrypt) 33 { 34 BF_LONG l, d[2]; 35 36 n2l(in, l); 37 d[0] = l; 38 n2l(in, l); 39 d[1] = l; 40 if (encrypt) 41 BF_encrypt(d, key); 42 else 43 BF_decrypt(d, key); 44 l = d[0]; 45 l2n(l, out); 46 l = d[1]; 47 l2n(l, out); 48 l = d[0] = d[1] = 0; 49 } 50