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crypto: hmac: add af_alg-backend hmac support

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Adds afalg-backend hmac support: introduces some private APIs
firstly, and then intergrates them into qcrypto_hmac_afalg_driver.

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 14:04:08 -04:00 • committed by Daniel P. Berrange
parent 9a05977348
commit 42e7e15f99
3 changed files with 121 additions and 17 deletions
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22
crypto/hmac.c
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@ -89,17 +89,31 @@ QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
Error **errp)
{
QCryptoHmac *hmac;
void *ctx;
void *ctx = NULL;
Error *err2 = NULL;
QCryptoHmacDriver *drv = NULL;
#ifdef CONFIG_AF_ALG
ctx = qcrypto_afalg_hmac_ctx_new(alg, key, nkey, &err2);
if (ctx) {
drv = &qcrypto_hmac_afalg_driver;
}
#endif
ctx = qcrypto_hmac_ctx_new(alg, key, nkey, errp);
if (!ctx) {
return NULL;
ctx = qcrypto_hmac_ctx_new(alg, key, nkey, errp);
if (!ctx) {
return NULL;
}
drv = &qcrypto_hmac_lib_driver;
error_free(err2);
}
hmac = g_new0(QCryptoHmac, 1);
hmac->alg = alg;
hmac->opaque = ctx;
hmac->driver = (void *)&qcrypto_hmac_lib_driver;
hmac->driver = (void *)drv;
return hmac;
}