int mbedtls_pem_read_buffer(mbedtls_pem_context *ctx, const char *header, const char *footer, const unsigned char *data, const unsigned char *pwd, size_t pwdlen, size_t *use_len)
Read a buffer for PEM information and store the resulting data into the specified context buffers.
int mbedtls_pem_write_buffer(const char *header, const char *footer, const unsigned char *der_data, size_t der_len, unsigned char *buf, size_t buf_len, size_t *olen)
Write a buffer of PEM information from a DER encoded buffer.