diff options
| author | phk <phk@FreeBSD.org> | 2004-02-02 17:06:34 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2004-02-02 17:06:34 +0000 |
| commit | 16b5363af41959e5666aa24ecb5813c0d51760a0 (patch) | |
| tree | b489794db6e17663a36a6a8b957205b078d69ebb /sys/opencrypto | |
| parent | a9340686f1096a3f0b29ccfb1dc65fa2bdef82bb (diff) | |
| download | FreeBSD-src-16b5363af41959e5666aa24ecb5813c0d51760a0.zip FreeBSD-src-16b5363af41959e5666aa24ecb5813c0d51760a0.tar.gz | |
Add CRD_F_KEY_EXPLICIT which allows the key to be changed per
operation, just like it was possible to change the IV.
Currently supported on Hifn and software engines only.
Approved by: sam@
Diffstat (limited to 'sys/opencrypto')
| -rw-r--r-- | sys/opencrypto/cryptodev.h | 1 | ||||
| -rw-r--r-- | sys/opencrypto/cryptosoft.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/sys/opencrypto/cryptodev.h b/sys/opencrypto/cryptodev.h index ec166e8..0da8633 100644 --- a/sys/opencrypto/cryptodev.h +++ b/sys/opencrypto/cryptodev.h @@ -227,6 +227,7 @@ struct cryptodesc { place, so don't copy. */ #define CRD_F_IV_EXPLICIT 0x04 /* IV explicitly provided */ #define CRD_F_DSA_SHA_NEEDED 0x08 /* Compute SHA-1 of buffer for DSA */ +#define CRD_F_KEY_EXPLICIT 0x10 /* Key explicitly provided */ #define CRD_F_COMP 0x0f /* Set when doing compression */ struct cryptoini CRD_INI; /* Initialization/context data */ diff --git a/sys/opencrypto/cryptosoft.c b/sys/opencrypto/cryptosoft.c index 051edbd..4a0c837 100644 --- a/sys/opencrypto/cryptosoft.c +++ b/sys/opencrypto/cryptosoft.c @@ -148,6 +148,16 @@ swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf, } } + if (crd->crd_flags & CRD_F_KEY_EXPLICIT) { + int error; + + if (sw->sw_kschedule) + exf->zerokey(&(sw->sw_kschedule)); + error = exf->setkey(&sw->sw_kschedule, + crd->crd_key, crd->crd_klen / 8); + if (error) + return (error); + } ivp = iv; if (outtype == CRYPTO_BUF_CONTIG) { |
