| Security | |
| * Fix an errorneous estimation for an internal buffer in | |
| mbedtls_pk_write_key_pem(). If MBEDTLS_MPI_MAX_SIZE is set to an odd | |
| value the function might fail to write a private RSA keys of the largest | |
| supported size. | |
| Found by Daniel Otte, reported in #4093 and fixed in #4094. |