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RDV4.0 Smartcard Slot Firmware Upgrade (#751)

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* RDV4.0 Smartcard Slot Firmware Upgrade
* new firmware in client/sc_upgrade_firmware directory
* improved sc upgrade:
   * check SHA-512 of firmware file
   * search and find firmware file in predefined directory
   * more sanity checks
* fixed offline indicators of sc commands
This commit is contained in:
pwpiwi 2019-01-12 13:26:53 +01:00 • committed by GitHub
commit 9f596ec7ac
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 180 additions and 28 deletions
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15
client/crypto/libpcrypto.c
View file

@ -19,6 +19,7 @@
#include <mbedtls/pk.h>
#include <mbedtls/ecdsa.h>
#include <mbedtls/sha256.h>
#include <mbedtls/sha512.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/error.h>
@ -106,6 +107,20 @@ int sha256hash(uint8_t *input, int length, uint8_t *hash) {
return 0;
}
int sha512hash(uint8_t *input, int length, uint8_t *hash) {
if (!hash || !input)
return 1;
mbedtls_sha512_context sctx;
mbedtls_sha512_init(&sctx);
mbedtls_sha512_starts(&sctx, 0); //SHA-512, not 384
mbedtls_sha512_update(&sctx, input, length);
mbedtls_sha512_finish(&sctx, hash);
mbedtls_sha512_free(&sctx);
return 0;
}
int ecdsa_init_str(mbedtls_ecdsa_context *ctx, char * key_d, char *key_x, char *key_y) {
if (!ctx)
return 1;

1
client/crypto/libpcrypto.h
View file

@ -22,6 +22,7 @@ extern int aes_cmac(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *mac, int
extern int aes_cmac8(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *mac, int length);
extern int sha256hash(uint8_t *input, int length, uint8_t *hash);
extern int sha512hash(uint8_t *input, int length, uint8_t *hash);
extern int ecdsa_key_create(uint8_t * key_d, uint8_t *key_xy);
extern int ecdsa_public_key_from_pk(mbedtls_pk_context *pk, uint8_t *key, size_t keylen);