diff options
Diffstat (limited to 'sys/dev/random/hash.c')
| -rw-r--r-- | sys/dev/random/hash.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/sys/dev/random/hash.c b/sys/dev/random/hash.c index 611f866..cf0feaa 100644 --- a/sys/dev/random/hash.c +++ b/sys/dev/random/hash.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2000-2004 Mark R V Murray + * Copyright (c) 2000-2013 Mark R V Murray * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -36,46 +36,46 @@ __FBSDID("$FreeBSD$"); #include <dev/random/hash.h> -/* initialise the hash */ +/* Initialise the hash */ void -yarrow_hash_init(struct yarrowhash *context) +randomdev_hash_init(struct randomdev_hash *context) { SHA256_Init(&context->sha); } -/* iterate the hash */ +/* Iterate the hash */ void -yarrow_hash_iterate(struct yarrowhash *context, void *data, size_t size) +randomdev_hash_iterate(struct randomdev_hash *context, void *data, size_t size) { SHA256_Update(&context->sha, data, size); } -/* Conclude by returning the hash in the supplied /buf/ which must be +/* Conclude by returning the hash in the supplied <*buf> which must be * KEYSIZE bytes long. */ void -yarrow_hash_finish(struct yarrowhash *context, void *buf) +randomdev_hash_finish(struct randomdev_hash *context, void *buf) { SHA256_Final(buf, &context->sha); } /* Initialise the encryption routine by setting up the key schedule - * from the supplied /data/ which must be KEYSIZE bytes of binary - * data. + * from the supplied <*data> which must be KEYSIZE bytes of binary + * data. Use CBC mode for better avalanche. */ void -yarrow_encrypt_init(struct yarrowkey *context, void *data) +randomdev_encrypt_init(struct randomdev_key *context, void *data) { rijndael_cipherInit(&context->cipher, MODE_CBC, NULL); rijndael_makeKey(&context->key, DIR_ENCRYPT, KEYSIZE*8, data); } /* Encrypt the supplied data using the key schedule preset in the context. - * KEYSIZE bytes are encrypted from /d_in/ to /d_out/. + * <length> bytes are encrypted from <*d_in> to <*d_out>. <length> must be + * a multiple of BLOCKSIZE. */ void -yarrow_encrypt(struct yarrowkey *context, void *d_in, void *d_out) +randomdev_encrypt(struct randomdev_key *context, void *d_in, void *d_out, unsigned length) { - rijndael_blockEncrypt(&context->cipher, &context->key, d_in, - KEYSIZE*8, d_out); + rijndael_blockEncrypt(&context->cipher, &context->key, d_in, length*8, d_out); } |
