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crypto(4): Add cryptosoft, cryptodev support for Poly-1305

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This commit is contained in:
Conrad Meyer 2018-08-17 00:31:06 +00:00
parent 01d5de8fca
commit 25b7033b73
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=337940
2 changed files with 36 additions and 7 deletions
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3
sys/opencrypto/cryptodev.c
View File

@ -457,6 +457,9 @@ cryptof_ioctl(
case CRYPTO_MD5_HMAC:
thash = &auth_hash_hmac_md5;
break;
case CRYPTO_POLY1305:
thash = &auth_hash_poly1305;
break;
case CRYPTO_SHA1_HMAC:
thash = &auth_hash_hmac_sha1;
break;

40
sys/opencrypto/cryptosoft.c
View File

@ -321,7 +321,7 @@ swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf,
return (error);
}
static void
static int __result_use_check
swcr_authprepare(struct auth_hash *axf, struct swcr_data *sw, u_char *key,
int klen)
{
@ -377,6 +377,12 @@ swcr_authprepare(struct auth_hash *axf, struct swcr_data *sw, u_char *key,
axf->Final(buf, sw->sw_ictx);
break;
}
case CRYPTO_POLY1305:
if (klen != POLY1305_KEY_LEN) {
CRYPTDEB("bad poly1305 key size %d", klen);
return EINVAL;
}
/* FALLTHROUGH */
case CRYPTO_BLAKE2B:
case CRYPTO_BLAKE2S:
axf->Setkey(sw->sw_ictx, key, klen);
@ -385,7 +391,9 @@ swcr_authprepare(struct auth_hash *axf, struct swcr_data *sw, u_char *key,
default:
printf("%s: CRD_F_KEY_EXPLICIT flag given, but algorithm %d "
"doesn't use keys.\n", __func__, axf->type);
return EINVAL;
}
return 0;
}
/*
@ -405,8 +413,11 @@ swcr_authcompute(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf,
axf = sw->sw_axf;
if (crd->crd_flags & CRD_F_KEY_EXPLICIT)
swcr_authprepare(axf, sw, crd->crd_key, crd->crd_klen);
if (crd->crd_flags & CRD_F_KEY_EXPLICIT) {
err = swcr_authprepare(axf, sw, crd->crd_key, crd->crd_klen);
if (err != 0)
return err;
}
bcopy(sw->sw_ictx, &ctx, axf->ctxsize);
@ -460,6 +471,7 @@ swcr_authcompute(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf,
case CRYPTO_BLAKE2B:
case CRYPTO_BLAKE2S:
case CRYPTO_NULL_HMAC:
case CRYPTO_POLY1305:
axf->Final(aalg, &ctx);
break;
}
@ -851,8 +863,12 @@ swcr_newsession(device_t dev, crypto_session_t cses, struct cryptoini *cri)
}
if (cri->cri_key != NULL) {
swcr_authprepare(axf, *swd, cri->cri_key,
cri->cri_klen);
error = swcr_authprepare(axf, *swd,
cri->cri_key, cri->cri_klen);
if (error != 0) {
swcr_freesession(dev, cses);
return error;
}
}
(*swd)->sw_mlen = cri->cri_mlen;
@ -882,8 +898,12 @@ swcr_newsession(device_t dev, crypto_session_t cses, struct cryptoini *cri)
/* Store the key so we can "append" it to the payload */
if (cri->cri_key != NULL) {
swcr_authprepare(axf, *swd, cri->cri_key,
cri->cri_klen);
error = swcr_authprepare(axf, *swd,
cri->cri_key, cri->cri_klen);
if (error != 0) {
swcr_freesession(dev, cses);
return error;
}
}
(*swd)->sw_mlen = cri->cri_mlen;
@ -956,6 +976,9 @@ swcr_newsession(device_t dev, crypto_session_t cses, struct cryptoini *cri)
goto auth5common;
case CRYPTO_BLAKE2S:
axf = &auth_hash_blake2s;
goto auth5common;
case CRYPTO_POLY1305:
axf = &auth_hash_poly1305;
auth5common:
(*swd)->sw_ictx = malloc(axf->ctxsize, M_CRYPTO_DATA,
M_NOWAIT);
@ -1054,6 +1077,7 @@ swcr_freesession(device_t dev, crypto_session_t cses)
case CRYPTO_BLAKE2B:
case CRYPTO_BLAKE2S:
case CRYPTO_MD5:
case CRYPTO_POLY1305:
case CRYPTO_SHA1:
case CRYPTO_SHA2_224:
case CRYPTO_SHA2_256:
@ -1155,6 +1179,7 @@ swcr_process(device_t dev, struct cryptop *crp, int hint)
case CRYPTO_SHA2_512:
case CRYPTO_BLAKE2B:
case CRYPTO_BLAKE2S:
case CRYPTO_POLY1305:
if ((crp->crp_etype = swcr_authcompute(crd, sw,
crp->crp_buf, crp->crp_flags)) != 0)
goto done;
@ -1253,6 +1278,7 @@ swcr_attach(device_t dev)
REGISTER(CRYPTO_BLAKE2B);
REGISTER(CRYPTO_BLAKE2S);
REGISTER(CRYPTO_CHACHA20);
REGISTER(CRYPTO_POLY1305);
#undef REGISTER
return 0;