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crypto: hmac: add hmac driver framework

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1) makes the public APIs in hmac-nettle/gcrypt/glib static,
   and rename them with "nettle/gcrypt/glib" prefix.

2) introduces hmac framework, including QCryptoHmacDriver
   and new public APIs.

Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Longpeng(Mike) 2017-07-14 14:04:04 -04:00 • committed by Daniel P. Berrange
parent d73c04e3ca
commit 14a5a2aef4
6 changed files with 145 additions and 114 deletions
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52
crypto/hmac-nettle.c
View file

@ -15,6 +15,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "crypto/hmac.h"
#include "hmacpriv.h"
#include <nettle/hmac.h>
typedef void (*qcrypto_nettle_hmac_setkey)(void *ctx,
@ -97,10 +98,9 @@ bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
return false;
}
static QCryptoHmacNettle *
qcrypto_hmac_ctx_new(QCryptoHashAlgorithm alg,
const uint8_t *key, size_t nkey,
Error **errp)
void *qcrypto_hmac_ctx_new(QCryptoHashAlgorithm alg,
const uint8_t *key, size_t nkey,
Error **errp)
{
QCryptoHmacNettle *ctx;
@ -117,26 +117,22 @@ qcrypto_hmac_ctx_new(QCryptoHashAlgorithm alg,
return ctx;
}
void qcrypto_hmac_free(QCryptoHmac *hmac)
static void
qcrypto_nettle_hmac_ctx_free(QCryptoHmac *hmac)
{
QCryptoHmacNettle *ctx;
if (!hmac) {
return;
}
ctx = hmac->opaque;
g_free(ctx);
g_free(hmac);
}
int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
const struct iovec *iov,
size_t niov,
uint8_t **result,
size_t *resultlen,
Error **errp)
static int
qcrypto_nettle_hmac_bytesv(QCryptoHmac *hmac,
const struct iovec *iov,
size_t niov,
uint8_t **result,
size_t *resultlen,
Error **errp)
{
QCryptoHmacNettle *ctx;
int i;
@ -169,21 +165,7 @@ int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
return 0;
}
QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
const uint8_t *key, size_t nkey,
Error **errp)
{
QCryptoHmac *hmac;
QCryptoHmacNettle *ctx;
ctx = qcrypto_hmac_ctx_new(alg, key, nkey, errp);
if (!ctx) {
return NULL;
}
hmac = g_new0(QCryptoHmac, 1);
hmac->alg = alg;
hmac->opaque = ctx;
return hmac;
}
QCryptoHmacDriver qcrypto_hmac_lib_driver = {
.hmac_bytesv = qcrypto_nettle_hmac_bytesv,
.hmac_free = qcrypto_nettle_hmac_ctx_free,
};