gchar* decodeBase64(gchar *data, gint length, gint *actualLength) {
gchar *input = data;
gint correctedLength = getCorrectedEncodeSize(length);
if(length != correctedLength) {
input = g_malloc(correctedLength * sizeof(gchar));
memset(input, 0, correctedLength);
memcpy(input, data, length);
memset(input + length, '=', correctedLength - length);
}
gchar *buffer = g_malloc(correctedLength);
memset(buffer, 0, correctedLength);
BIO *b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
BIO *bmem = BIO_new_mem_buf(input, correctedLength);
BIO_set_flags(bmem, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_push(b64, bmem);
BIO_set_flags(bmem, BIO_FLAGS_BASE64_NO_NL);
*actualLength = BIO_read(bmem, buffer, correctedLength);
BIO_free_all(bmem);
if(length != correctedLength) {
g_free(input);
}
return buffer;
}
char *decode_base64(unsigned char *pInput, int pLength, int *pActualLength)
{
// Needs All NO_NL flags for proper RSA AES KEY Descrypt
BIO *b64, *bmem;
unsigned char *input = pInput;
int length = getCorrectedEncodeSize(pLength);
if(pLength != length)
{
input = malloc(length * sizeof(unsigned char));
memset(input, 0, length);
memcpy(input, pInput, pLength);
memset(input+pLength, '=', length-pLength);
printf("Fixed value: [%.*s]\n", length, input);
}
char *buffer = (char *)malloc(length);
memset(buffer, 0, length);
b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_new_mem_buf(input, length);
BIO_set_flags(bmem, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_push(b64, bmem);
BIO_set_flags(bmem, BIO_FLAGS_BASE64_NO_NL);
*pActualLength = BIO_read(bmem, buffer, length);
BIO_free_all(bmem);
if(pLength != length)
{
free(input);
}
return buffer;
}
