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crypto: hmac: introduce qcrypto_hmac_ctx_new for nettle-backend
Extracts qcrypto_hmac_ctx_new() from qcrypto_hmac_new() for nettle-backend impls. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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@ -97,11 +97,11 @@ bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
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return false;
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}
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QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
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const uint8_t *key, size_t nkey,
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Error **errp)
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static QCryptoHmacNettle *
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qcrypto_hmac_ctx_new(QCryptoHashAlgorithm alg,
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const uint8_t *key, size_t nkey,
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Error **errp)
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{
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QCryptoHmac *hmac;
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QCryptoHmacNettle *ctx;
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if (!qcrypto_hmac_supports(alg)) {
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@ -110,16 +110,11 @@ QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
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return NULL;
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}
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hmac = g_new0(QCryptoHmac, 1);
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hmac->alg = alg;
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ctx = g_new0(QCryptoHmacNettle, 1);
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qcrypto_hmac_alg_map[alg].setkey(&ctx->u, nkey, key);
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hmac->opaque = ctx;
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return hmac;
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return ctx;
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}
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void qcrypto_hmac_free(QCryptoHmac *hmac)
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@ -173,3 +168,22 @@ int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
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return 0;
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}
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QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
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const uint8_t *key, size_t nkey,
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Error **errp)
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{
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QCryptoHmac *hmac;
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QCryptoHmacNettle *ctx;
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ctx = qcrypto_hmac_ctx_new(alg, key, nkey, errp);
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if (!ctx) {
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return NULL;
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}
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hmac = g_new0(QCryptoHmac, 1);
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hmac->alg = alg;
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hmac->opaque = ctx;
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return hmac;
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}
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