Add MBEDTLS_ERR_ECP_IN_PROGRESS
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 944b7f8..f821690 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -36,6 +36,7 @@
#define MBEDTLS_ERR_ECP_RANDOM_FAILED -0x4D00 /**< Generation of random value, such as (ephemeral) key, failed. */
#define MBEDTLS_ERR_ECP_INVALID_KEY -0x4C80 /**< Invalid private or public key. */
#define MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH -0x4C00 /**< Signature is valid but shorter than the user-supplied length. */
+#define MBEDTLS_ERR_ECP_IN_PROGRESS -0x4B80 /**< Operation in progress, try again with the same parameters. */
#if !defined(MBEDTLS_ECP_ALT)
/*
diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 31591e2..6c58067 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -76,7 +76,7 @@
* DHM 3 9
* PK 3 14 (Started from top)
* RSA 4 9
- * ECP 4 8 (Started from top)
+ * ECP 4 9 (Started from top)
* MD 5 4
* CIPHER 6 6
* SSL 6 17 (Started from top)
diff --git a/library/error.c b/library/error.c
index db42381..5845303 100644
--- a/library/error.c
+++ b/library/error.c
@@ -225,6 +225,8 @@
mbedtls_snprintf( buf, buflen, "ECP - Invalid private or public key" );
if( use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) )
mbedtls_snprintf( buf, buflen, "ECP - Signature is valid but shorter than the user-supplied length" );
+ if( use_ret == -(MBEDTLS_ERR_ECP_IN_PROGRESS) )
+ mbedtls_snprintf( buf, buflen, "ECP - Operation in progress, try again with the same parameters" );
#endif /* MBEDTLS_ECP_C */
#if defined(MBEDTLS_MD_C)
