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-rw-r--r--rpc_pkey.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/rpc_pkey.c b/rpc_pkey.c
index a6a5734..b44eb54 100644
--- a/rpc_pkey.c
+++ b/rpc_pkey.c
@@ -884,23 +884,27 @@ static hal_error_t pkey_local_sign_hashsig(hal_pkey_slot_t *slot,
if (input == NULL || input_len == 0) {
hal_digest_algorithm_t alg;
+ size_t digest_len;
if ((err = hal_rpc_hash_get_algorithm(hash, &alg)) != HAL_OK ||
- (err = hal_rpc_hash_get_digest_length(alg, &input_len)) != HAL_OK)
+ (err = hal_rpc_hash_get_digest_length(alg, &digest_len)) != HAL_OK)
return err;
- if (input_len > signature_max)
+ if (digest_len > signature_max)
return HAL_ERROR_RESULT_TOO_LONG;
- if ((err = hal_rpc_hash_finalize(hash, signature, input_len)) != HAL_OK)
+ uint8_t digest[digest_len];
+
+ if ((err = hal_rpc_hash_finalize(hash, digest, digest_len)) != HAL_OK)
return err;
- input = signature;
+ err = hal_hashsig_sign(NULL, key, digest, digest_len, signature, signature_len, signature_max);
}
- err = hal_hashsig_sign(NULL, key, input, input_len, signature, signature_len, signature_max);
- key = NULL;
+ else
+ err = hal_hashsig_sign(NULL, key, input, input_len, signature, signature_len, signature_max);
+ key = NULL;
return err;
}