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crypto: Support export akcipher to pkcs8

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crypto: support export RSA private keys with PKCS#8 standard.
So that users can upload this private key to linux kernel.

Signed-off-by: lei he <helei.sig11@bytedance.com>
Message-Id: <20221008085030.70212-4-helei.sig11@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Lei He 2022-10-08 16:50:29 +08:00 • committed by Michael S. Tsirkin
parent 3b34ccad66
commit 58660863ba
4 changed files with 91 additions and 1 deletions
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18
crypto/akcipher.c
View file

@ -22,6 +22,8 @@
#include "qemu/osdep.h"
#include "crypto/akcipher.h"
#include "akcipherpriv.h"
#include "der.h"
#include "rsakey.h"
#if defined(CONFIG_GCRYPT)
#include "akcipher-gcrypt.c.inc"
@ -106,3 +108,19 @@ void qcrypto_akcipher_free(QCryptoAkCipher *akcipher)
drv->free(akcipher);
}
int qcrypto_akcipher_export_p8info(const QCryptoAkCipherOptions *opts,
uint8_t *key, size_t keylen,
uint8_t **dst, size_t *dst_len,
Error **errp)
{
switch (opts->alg) {
case QCRYPTO_AKCIPHER_ALG_RSA:
qcrypto_akcipher_rsakey_export_p8info(key, keylen, dst, dst_len);
return 0;
default:
error_setg(errp, "Unsupported algorithm: %u", opts->alg);
return -1;
}
}