22 #define BASE64_PAD BIT(0)
49 	line_len = 0;  in base64_gen_encode()
51 		*pos++ = table[(in[0] >> 2) & 0x3f];  in base64_gen_encode()
52 		*pos++ = table[(((in[0] & 0x03) << 4) | (in[1] >> 4)) & 0x3f];  in base64_gen_encode()
53 		*pos++ = table[(((in[1] & 0x0f) << 2) | (in[2] >> 6)) & 0x3f];  in base64_gen_encode()
54 		*pos++ = table[in[2] & 0x3f];  in base64_gen_encode()
59 			line_len = 0;  in base64_gen_encode()
64 		*pos++ = table[(in[0] >> 2) & 0x3f];  in base64_gen_encode()
66 			*pos++ = table[((in[0] & 0x03) << 4) & 0x3f];  in base64_gen_encode()
70 			*pos++ = table[(((in[0] & 0x03) << 4) |  in base64_gen_encode()
71 					(in[1] >> 4)) & 0x3f];  in base64_gen_encode()
72 			*pos++ = table[((in[1] & 0x0f) << 2) & 0x3f];  in base64_gen_encode()
82 	*pos = '\0';  in base64_gen_encode()
94 	int pad = 0;  in base64_gen_decode()
97 	os_memset(dtable, 0x80, 256);  in base64_gen_decode()
98 	for (i = 0; i < sizeof(base64_table) - 1; i++)  in base64_gen_decode()
100 	dtable['='] = 0;  in base64_gen_decode()
102 	count = 0;  in base64_gen_decode()
103 	for (i = 0; i < len; i++) {  in base64_gen_decode()
104 		if (dtable[(unsigned char) src[i]] != 0x80)  in base64_gen_decode()
108 	if (count == 0)  in base64_gen_decode()
117 	count = 0;  in base64_gen_decode()
118 	for (i = 0; i < len + extra_pad; i++) {  in base64_gen_decode()
126 		if (tmp == 0x80)  in base64_gen_decode()
134 			*pos++ = (block[0] << 2) | (block[1] >> 4);  in base64_gen_decode()
137 			count = 0;  in base64_gen_decode()
185 	return base64_gen_encode(src, len, out_len, base64_url_table, 0);  in base64_url_encode()