* [Qemu-devel] [PATCH for-2.10 09/19] crypto: hmac: introduce qcrypto_hmac_ctx_new for nettle-backend
@ 2017-04-10 9:00 Longpeng(Mike)
0 siblings, 0 replies; only message in thread
From: Longpeng(Mike) @ 2017-04-10 9:00 UTC (permalink / raw)
To: berrange; +Cc: xuquan8, arei.gonglei, qemu-devel, Longpeng(Mike)
Extracts qcrypto_hmac_ctx_new() from qcrypto_hmac_new() for
nettle-backend impls.
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
---
crypto/hmac-nettle.c | 34 ++++++++++++++++++++++++----------
1 file changed, 24 insertions(+), 10 deletions(-)
diff --git a/crypto/hmac-nettle.c b/crypto/hmac-nettle.c
index 4a9e6b2..19fbb4f 100644
--- a/crypto/hmac-nettle.c
+++ b/crypto/hmac-nettle.c
@@ -97,11 +97,11 @@ bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
return false;
}
-QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
- const uint8_t *key, size_t nkey,
- Error **errp)
+static QCryptoHmacNettle *
+qcrypto_hmac_ctx_new(QCryptoHashAlgorithm alg,
+ const uint8_t *key, size_t nkey,
+ Error **errp)
{
- QCryptoHmac *hmac;
QCryptoHmacNettle *ctx;
if (!qcrypto_hmac_supports(alg)) {
@@ -110,16 +110,11 @@ QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
return NULL;
}
- hmac = g_new0(QCryptoHmac, 1);
- hmac->alg = alg;
-
ctx = g_new0(QCryptoHmacNettle, 1);
qcrypto_hmac_alg_map[alg].setkey(&ctx->u, nkey, key);
- hmac->opaque = ctx;
-
- return hmac;
+ return ctx;
}
void qcrypto_hmac_free(QCryptoHmac *hmac)
@@ -173,3 +168,22 @@ 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 == NULL) {
+ return NULL;
+ }
+
+ hmac = g_new0(QCryptoHmac, 1);
+ hmac->alg = alg;
+ hmac->opaque = ctx;
+
+ return hmac;
+}
--
1.8.3.1
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