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[Qemu-devel] [PATCH for-2.10 10/19] crypto: hmac: introduce qcrypto_hmac
From: |
Longpeng(Mike) |
Subject: |
[Qemu-devel] [PATCH for-2.10 10/19] crypto: hmac: introduce qcrypto_hmac_ctx_new for glib-backend |
Date: |
Mon, 10 Apr 2017 17:00:26 +0800 |
Extracts qcrypto_hmac_ctx_new() from qcrypto_hmac_new() for
glib-backend impls.
Signed-off-by: Longpeng(Mike) <address@hidden>
---
crypto/hmac-glib.c | 34 ++++++++++++++++++++++++----------
1 file changed, 24 insertions(+), 10 deletions(-)
diff --git a/crypto/hmac-glib.c b/crypto/hmac-glib.c
index 08a1fdd..d9f88d8 100644
--- a/crypto/hmac-glib.c
+++ b/crypto/hmac-glib.c
@@ -49,11 +49,11 @@ bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
return false;
}
-QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
- const uint8_t *key, size_t nkey,
- Error **errp)
+static QCryptoHmacGlib *
+qcrypto_hmac_ctx_new(QCryptoHashAlgorithm alg,
+ const uint8_t *key, size_t nkey,
+ Error **errp)
{
- QCryptoHmac *hmac;
QCryptoHmacGlib *ctx;
if (!qcrypto_hmac_supports(alg)) {
@@ -62,9 +62,6 @@ QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
return NULL;
}
- hmac = g_new0(QCryptoHmac, 1);
- hmac->alg = alg;
-
ctx = g_new0(QCryptoHmacGlib, 1);
ctx->ghmac = g_hmac_new(qcrypto_hmac_alg_map[alg],
@@ -74,12 +71,10 @@ QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
goto error;
}
- hmac->opaque = ctx;
- return hmac;
+ return ctx;
error:
g_free(ctx);
- g_free(hmac);
return NULL;
}
@@ -134,6 +129,25 @@ 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;
+ QCryptoHmacGlib *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;
+}
+
#else
bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
--
1.8.3.1
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