1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* Base64 Encoding and Decoding
* (C) 2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_BASE64_CODEC_H__
#define BOTAN_BASE64_CODEC_H__
#include <botan/secmem.h>
#include <string>
namespace Botan {
/**
* Perform base64 encoding
* @param output an array of at least base64_encode_max_output bytes
* @param input is some binary data
* @param input_length length of input in bytes
* @param input_consumed is an output parameter which says how many
* bytes of input were actually consumed. If less than
* input_length, then the range input[consumed:length]
* should be passed in later along with more input.
* @param final_inputs true iff this is the last input, in which case
padding chars will be applied if needed
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_encode(char output[],
const uint8_t input[],
size_t input_length,
size_t& input_consumed,
bool final_inputs);
/**
* Perform base64 encoding
* @param input some input
* @param input_length length of input in bytes
* @return base64adecimal representation of input
*/
std::string BOTAN_DLL base64_encode(const uint8_t input[],
size_t input_length);
/**
* Perform base64 encoding
* @param input some input
* @return base64adecimal representation of input
*/
template<typename Alloc>
std::string base64_encode(const std::vector<uint8_t, Alloc>& input)
{
return base64_encode(input.data(), input.size());
}
/**
* Perform base64 decoding
* @param output an array of at least base64_decode_max_output bytes
* @param input some base64 input
* @param input_length length of input in bytes
* @param input_consumed is an output parameter which says how many
* bytes of input were actually consumed. If less than
* input_length, then the range input[consumed:length]
* should be passed in later along with more input.
* @param final_inputs true iff this is the last input, in which case
padding is allowed
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_decode(uint8_t output[],
const char input[],
size_t input_length,
size_t& input_consumed,
bool final_inputs,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param output an array of at least base64_decode_max_output bytes
* @param input some base64 input
* @param input_length length of input in bytes
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_decode(uint8_t output[],
const char input[],
size_t input_length,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param output an array of at least base64_decode_max_output bytes
* @param input some base64 input
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_decode(uint8_t output[],
const std::string& input,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param input some base64 input
* @param input_length the length of input in bytes
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return decoded base64 output
*/
secure_vector<uint8_t> BOTAN_DLL base64_decode(const char input[],
size_t input_length,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param input some base64 input
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return decoded base64 output
*/
secure_vector<uint8_t> BOTAN_DLL base64_decode(const std::string& input,
bool ignore_ws = true);
/**
* Calculate the size of output buffer for base64_encode
* @param input_length the length of input in bytes
* @return the size of output buffer in bytes
*/
size_t BOTAN_DLL base64_encode_max_output(size_t input_length);
/**
* Calculate the size of output buffer for base64_decode
* @param input_length the length of input in bytes
* @return the size of output buffer in bytes
*/
size_t BOTAN_DLL base64_decode_max_output(size_t input_length);
}
#endif
|
