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Fix memory free on error.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-05-24 12:40:51 +02:00
parent 20dfbcaaed
commit 82c03ee6c4
1 changed files with 1 additions and 1 deletions
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2
src/hsm/cmd_bip_slip.c
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@@ -74,6 +74,7 @@ int node_fingerprint(mbedtls_ecp_keypair *ctx, uint8_t *fingerprint) {
int node_derive_bip_path(const uint32_t *path, size_t path_len, mbedtls_ecp_keypair *ctx, uint8_t chain[32], uint8_t fingerprint[4]) { int node_derive_bip_path(const uint32_t *path, size_t path_len, mbedtls_ecp_keypair *ctx, uint8_t chain[32], uint8_t fingerprint[4]) {
uint8_t mkey[65]; uint8_t mkey[65];
mbedtls_ecp_keypair_init(ctx);
file_t *ef = search_dynamic_file(EF_MASTER_SEED | path[0]); file_t *ef = search_dynamic_file(EF_MASTER_SEED | path[0]);
if (!file_has_data(ef)) { if (!file_has_data(ef)) {
return CCID_ERR_FILE_NOT_FOUND; return CCID_ERR_FILE_NOT_FOUND;
@@ -83,7 +84,6 @@ int node_derive_bip_path(const uint32_t *path, size_t path_len, mbedtls_ecp_keyp
if (r != CCID_OK) { if (r != CCID_OK) {
return CCID_EXEC_ERROR; return CCID_EXEC_ERROR;
} }
mbedtls_ecp_keypair_init(ctx);
if (mkey[0] == 0x1) { if (mkey[0] == 0x1) {
mbedtls_ecp_group_load(&ctx->grp, MBEDTLS_ECP_DP_SECP256K1); mbedtls_ecp_group_load(&ctx->grp, MBEDTLS_ECP_DP_SECP256K1);
} }