Merge pull request #4102 from mstarzyk-mobica/const_pk
Add missing const attribute to Public Key API
diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index 7d0f977..85e553a 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -760,7 +760,7 @@
* \return length of data written if successful, or a specific
* error code
*/
-int mbedtls_pk_write_key_der( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
+int mbedtls_pk_write_key_der( const mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
/**
* \brief Write a public key to a SubjectPublicKeyInfo DER structure
@@ -775,7 +775,7 @@
* \return length of data written if successful, or a specific
* error code
*/
-int mbedtls_pk_write_pubkey_der( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
+int mbedtls_pk_write_pubkey_der( const mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
#if defined(MBEDTLS_PEM_WRITE_C)
/**
@@ -788,7 +788,7 @@
*
* \return 0 if successful, or a specific error code
*/
-int mbedtls_pk_write_pubkey_pem( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
+int mbedtls_pk_write_pubkey_pem( const mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
/**
* \brief Write a private key to a PKCS#1 or SEC1 PEM string
@@ -800,7 +800,7 @@
*
* \return 0 if successful, or a specific error code
*/
-int mbedtls_pk_write_key_pem( mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
+int mbedtls_pk_write_key_pem( const mbedtls_pk_context *ctx, unsigned char *buf, size_t size );
#endif /* MBEDTLS_PEM_WRITE_C */
#endif /* MBEDTLS_PK_WRITE_C */
diff --git a/library/pkwrite.c b/library/pkwrite.c
index 0da3698..4e6a082 100644
--- a/library/pkwrite.c
+++ b/library/pkwrite.c
@@ -222,7 +222,7 @@
return( (int) len );
}
-int mbedtls_pk_write_pubkey_der( mbedtls_pk_context *key, unsigned char *buf, size_t size )
+int mbedtls_pk_write_pubkey_der( const mbedtls_pk_context *key, unsigned char *buf, size_t size )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char *c;
@@ -310,7 +310,7 @@
return( (int) len );
}
-int mbedtls_pk_write_key_der( mbedtls_pk_context *key, unsigned char *buf, size_t size )
+int mbedtls_pk_write_key_der( const mbedtls_pk_context *key, unsigned char *buf, size_t size )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char *c;
@@ -553,7 +553,7 @@
#define PRV_DER_MAX_BYTES RSA_PRV_DER_MAX_BYTES > ECP_PRV_DER_MAX_BYTES ? \
RSA_PRV_DER_MAX_BYTES : ECP_PRV_DER_MAX_BYTES
-int mbedtls_pk_write_pubkey_pem( mbedtls_pk_context *key, unsigned char *buf, size_t size )
+int mbedtls_pk_write_pubkey_pem( const mbedtls_pk_context *key, unsigned char *buf, size_t size )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char output_buf[PUB_DER_MAX_BYTES];
@@ -578,7 +578,7 @@
return( 0 );
}
-int mbedtls_pk_write_key_pem( mbedtls_pk_context *key, unsigned char *buf, size_t size )
+int mbedtls_pk_write_key_pem( const mbedtls_pk_context *key, unsigned char *buf, size_t size )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char output_buf[PRV_DER_MAX_BYTES];