diff options
Diffstat (limited to 'sys/opencrypto/cryptosoft.c')
| -rw-r--r-- | sys/opencrypto/cryptosoft.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/sys/opencrypto/cryptosoft.c b/sys/opencrypto/cryptosoft.c index 9cd2250..e41f0ce 100644 --- a/sys/opencrypto/cryptosoft.c +++ b/sys/opencrypto/cryptosoft.c @@ -111,27 +111,8 @@ swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf, /* IV explicitly provided ? */ if (crd->crd_flags & CRD_F_IV_EXPLICIT) bcopy(crd->crd_iv, iv, blks); - else { - /* Get random IV */ - for (i = 0; - i + sizeof (u_int32_t) < EALG_MAX_BLOCK_LEN; - i += sizeof (u_int32_t)) { - u_int32_t temp = arc4random(); - - bcopy(&temp, iv + i, sizeof(u_int32_t)); - } - /* - * What if the block size is not a multiple - * of sizeof (u_int32_t), which is the size of - * what arc4random() returns ? - */ - if (EALG_MAX_BLOCK_LEN % sizeof (u_int32_t) != 0) { - u_int32_t temp = arc4random(); - - bcopy (&temp, iv + i, - EALG_MAX_BLOCK_LEN - i); - } - } + else + arc4rand(iv, blks, 0); /* Do we need to write the IV */ if (!(crd->crd_flags & CRD_F_IV_PRESENT)) { @@ -431,7 +412,7 @@ swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf, } } - return 0; /* Done with mbuf encryption/decryption */ + return 0; /* Done with iov encryption/decryption */ } /* Unreachable */ |
