ctr.c (a976c2951d8f376112361830aa7762beff83a205) | ctr.c (45fe93dff2fb58b22de04c729f8447ba0f773d93) |
---|---|
1/* 2 * CTR: Counter mode 3 * 4 * (C) Copyright IBM Corp. 2007 - Joy Latten <latten@us.ibm.com> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the Free 8 * Software Foundation; either version 2 of the License, or (at your option) --- 51 unchanged lines hidden (view full) --- 60 u8 *ctrblk = walk->iv; 61 u8 tmp[bsize + alignmask]; 62 u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); 63 u8 *src = walk->src.virt.addr; 64 u8 *dst = walk->dst.virt.addr; 65 unsigned int nbytes = walk->nbytes; 66 67 crypto_cipher_encrypt_one(tfm, keystream, ctrblk); | 1/* 2 * CTR: Counter mode 3 * 4 * (C) Copyright IBM Corp. 2007 - Joy Latten <latten@us.ibm.com> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the Free 8 * Software Foundation; either version 2 of the License, or (at your option) --- 51 unchanged lines hidden (view full) --- 60 u8 *ctrblk = walk->iv; 61 u8 tmp[bsize + alignmask]; 62 u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); 63 u8 *src = walk->src.virt.addr; 64 u8 *dst = walk->dst.virt.addr; 65 unsigned int nbytes = walk->nbytes; 66 67 crypto_cipher_encrypt_one(tfm, keystream, ctrblk); |
68 crypto_xor(keystream, src, nbytes); 69 memcpy(dst, keystream, nbytes); | 68 crypto_xor_cpy(dst, keystream, src, nbytes); |
70 71 crypto_inc(ctrblk, bsize); 72} 73 74static int crypto_ctr_crypt_segment(struct blkcipher_walk *walk, 75 struct crypto_cipher *tfm) 76{ 77 void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = --- 411 unchanged lines hidden --- | 69 70 crypto_inc(ctrblk, bsize); 71} 72 73static int crypto_ctr_crypt_segment(struct blkcipher_walk *walk, 74 struct crypto_cipher *tfm) 75{ 76 void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = --- 411 unchanged lines hidden --- |