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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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44
crypto/hmac.c
View file

@ -12,9 +12,22 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "crypto/hmac.h"
#include "hmacpriv.h"
static const char hex[] = "0123456789abcdef";
int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
const struct iovec *iov,
size_t niov,
uint8_t **result,
size_t *resultlen,
Error **errp)
{
QCryptoHmacDriver *drv = hmac->driver;
return drv->hmac_bytesv(hmac, iov, niov, result, resultlen, errp);
}
int qcrypto_hmac_bytes(QCryptoHmac *hmac,
const char *buf,
size_t len,
@ -70,3 +83,34 @@ int qcrypto_hmac_digest(QCryptoHmac *hmac,
return qcrypto_hmac_digestv(hmac, &iov, 1, digest, errp);
}
QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
const uint8_t *key, size_t nkey,
Error **errp)
{
QCryptoHmac *hmac;
void *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;
hmac->driver = (void *)&qcrypto_hmac_lib_driver;
return hmac;
}
void qcrypto_hmac_free(QCryptoHmac *hmac)
{
QCryptoHmacDriver *drv;
if (hmac) {
drv = hmac->driver;
drv->hmac_free(hmac);
g_free(hmac);
}
}