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DM: Fix build failure with Openssl 1.1+

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Some APIs of Openssl 1.0 are deprecated in Openssl 1.1+.
Two different API implementations are adaptable to both
Openssl 1.1- and 1.1+.

Fixes: #305

Signed-off-by: Huang Yang <yang.huang@intel.com>
Signed-off-by: Du Min <minx.du@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Huang Yang 2018-06-18 02:55:17 -04:00 committed by lijinxia
parent 287fc4cb7f
commit 18c355f663
1 changed files with 50 additions and 1 deletions
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51
devicemodel/hw/platform/rpmb/rpmb_sim.c
View File

@ -30,6 +30,7 @@
#include <string.h>
#include <inttypes.h>
#include <openssl/hmac.h>
#include <openssl/opensslv.h>
#include "rpmb.h"
#include "rpmb_sim.h"
@ -59,13 +60,15 @@ static int virtio_rpmb_debug = 1;
#define DPRINTF(params) do { if (virtio_rpmb_debug) printf params; } while (0)
#define WPRINTF(params) (printf params)
/* Make rpmb_mac compatible for different openssl versions */
#if OPENSSL_VERSION_NUMBER < 0x10100000L
int rpmb_mac(const uint8_t *key, const struct rpmb_frame *frames,
size_t frame_cnt, uint8_t *mac)
{
int i;
int hmac_ret;
unsigned int md_len;
struct hmac_ctx_st hmac_ctx;
HMAC_CTX hmac_ctx;
HMAC_CTX_init(&hmac_ctx);
hmac_ret = HMAC_Init_ex(&hmac_ctx, key, 32, EVP_sha256(), NULL);
@ -98,6 +101,52 @@ err:
return hmac_ret ? 0 : -1;
}
#else
int rpmb_mac(const uint8_t *key, const struct rpmb_frame *frames,
size_t frame_cnt, uint8_t *mac)
{
int i;
int hmac_ret;
unsigned int md_len;
HMAC_CTX *hmac_ctx;
hmac_ctx = HMAC_CTX_new();
if (hmac_ctx == NULL) {
DPRINTF(("get hmac_ctx failed\n"));
return -1;
}
hmac_ret = HMAC_Init_ex(hmac_ctx, key, 32, EVP_sha256(), NULL);
if (!hmac_ret) {
DPRINTF(("HMAC_Init_ex failed\n"));
goto err;
}
for (i = 0; i < frame_cnt; i++) {
hmac_ret = HMAC_Update(hmac_ctx, frames[i].data, 284);
if (!hmac_ret) {
DPRINTF(("HMAC_Update failed\n"));
goto err;
}
}
hmac_ret = HMAC_Final(hmac_ctx, mac, &md_len);
if (md_len != 32) {
DPRINTF(("bad md_len %d != 32.\n", md_len));
goto err;
}
if (!hmac_ret) {
DPRINTF(("HMAC_Final failed\n"));
goto err;
}
err:
HMAC_CTX_free(hmac_ctx);
return hmac_ret ? 0 : -1;
}
#endif
static void rpmb_sim_close(void)
{