diff options
| -rw-r--r-- | drivers/crypto/crypto_tc_shim.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/crypto/crypto_tc_shim.c b/drivers/crypto/crypto_tc_shim.c index 2eb953c31..7ef3522f9 100644 --- a/drivers/crypto/crypto_tc_shim.c +++ b/drivers/crypto/crypto_tc_shim.c @@ -180,16 +180,6 @@ int tc_session_setup(struct device *dev, struct cipher_ctx *ctx, ARG_UNUSED(dev); - idx = get_unused_session(); - - if (idx == CRYPTO_MAX_SESSION) { - SYS_LOG_ERR("Max sessions in progress"); - return -ENOSPC; - } - - ctx->drv_sessn_state = &tc_driver_state[idx]; - data = &tc_driver_state[idx]; - /* The shim currently supports only CBC or CTR mode for AES */ if (algo != CRYPTO_CIPHER_ALGO_AES) { SYS_LOG_ERR("TC Shim Unsupported algo"); @@ -256,12 +246,24 @@ int tc_session_setup(struct device *dev, struct cipher_ctx *ctx, ctx->ops.cipher_mode = mode; + idx = get_unused_session(); + if (idx == CRYPTO_MAX_SESSION) { + SYS_LOG_ERR("Max sessions in progress"); + return -ENOSPC; + } + + data = &tc_driver_state[idx]; + if (tc_aes128_set_encrypt_key(&data->session_key, ctx->key.bit_stream) == TC_CRYPTO_FAIL) { SYS_LOG_ERR("TC internal error in setting key"); + tc_driver_state[idx].in_use = 0; + return -EIO; } + ctx->drv_sessn_state = data; + return 0; } |