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Tests and documentation for base32.

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This commit is contained in:
EinMByte 2015-07-23 14:46:35 +02:00
parent 28a4f4173d
commit 469981cce5
3 changed files with 63 additions and 12 deletions
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10
base64.cpp
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@ -33,16 +33,14 @@ namespace data
}
/*
* Reverse Substitution Table (built in run time)
*/
* Reverse Substitution Table (built in run time)
*/
static char iT64[256];
static int isFirstTime = 1;
/*
* Padding
*/
static char P64 = '=';
@ -168,7 +166,6 @@ namespace data
*
*
*/
static void iT64Build()
{
int i;
@ -208,6 +205,9 @@ namespace data
size_t ByteStreamToBase32 (const uint8_t * inBuf, size_t len, char * outBuf, size_t outLen)
{
if(!len)
return 0; // No data given
size_t ret = 0, pos = 1;
int bits = 8, tmp = inBuf[0];
while (ret < outLen && (bits > 0 || pos < len))

28
base64.h
View File

@ -12,28 +12,46 @@ namespace data
/*
* Base64 encodes an array of bytes.
* @return the number of characters in the output buffer
* @return the number of characters written to the output buffer
* @param InBuffer array of input bytes to be encoded
* @param InCount length of the input array
* @param OutBuffer array of output characters
* @param OutBuffer array to store output characters
* @param len length of the output buffer
*/
size_t ByteStreamToBase64 (const uint8_t * InBuffer, size_t InCount, char * OutBuffer, size_t len);
/**
* Decodes base 64 encoded data to an array of bytes.
* @return the number of bytes in the output buffer
* @return the number of bytes written to the output buffer
* @param InBuffer array of input characters to be decoded
* @param InCount length of the input array
* @param OutBuffer array of output bytes
* @param OutBuffer array to store output bytes
* @param len length of the output buffer
* @todo Do not return a negative value on failure, size_t could be unsigned.
*/
size_t Base64ToByteStream (const char * InBuffer, size_t InCount, uint8_t * OutBuffer, size_t len );
const char * GetBase64SubstitutionTable ();
/**
* Decodes base 32 encoded data to an array of bytes.
* @return the number of bytes written to the output buffer
* @param inBuf array of input characters to be decoded
* @param len length of the input buffer
* @param outBuf array to store output bytes
* @param outLen length of the output array
*/
size_t Base32ToByteStream (const char * inBuf, size_t len, uint8_t * outBuf, size_t outLen);
size_t ByteStreamToBase32 (const uint8_t * InBuf, size_t len, char * outBuf, size_t outLen);
/**
* Base 32 encodes an array of bytes.
* @return the number of bytes written to the output buffer
* @param inBuf array of input bytes to be encoded
* @param len length of the input buffer
* @param outBuf array to store output characters
* @param outLen length of the output array
*/
size_t ByteStreamToBase32 (const uint8_t * inBuf, size_t len, char * outBuf, size_t outLen);
}
}

37
tests/Data.cpp
View File

@ -9,12 +9,12 @@ using namespace i2p::data;
BOOST_AUTO_TEST_CASE(Base64EncodeEmpty)
{
ByteStreamToBase64(nullptr, 0, nullptr, 0);
BOOST_CHECK_EQUAL(ByteStreamToBase64(nullptr, 0, nullptr, 0), 0);
}
BOOST_AUTO_TEST_CASE(Base64DecodeEmpty)
{
Base64ToByteStream(nullptr, 0, nullptr, 0);
BOOST_CHECK_EQUAL(Base64ToByteStream(nullptr, 0, nullptr, 0), 0);
}
BOOST_AUTO_TEST_CASE(Base64Encode)
@ -43,7 +43,40 @@ BOOST_AUTO_TEST_CASE(Base64Decode)
BOOST_CHECK_EQUAL_COLLECTIONS(result, result + 25, output, output + 25);
}
BOOST_AUTO_TEST_CASE(Base32EncodeEmpty)
{
BOOST_CHECK_EQUAL(ByteStreamToBase32(nullptr, 0, nullptr, 0), 0);
}
BOOST_AUTO_TEST_CASE(Base32DecodeEmpty)
{
BOOST_CHECK_EQUAL(Base32ToByteStream(nullptr, 0, nullptr, 0), 0);
}
BOOST_AUTO_TEST_CASE(Base32Encode)
{
const uint8_t input[] = {
0x53, 0xd3, 0x60, 0xfa, 0xf9, 0x58, 0xd0, 0x5e, 0x41, 0xa9, 0x6c,
0xf1, 0x9f, 0xc4, 0xe, 0x23, 0x9b, 0xca, 0xb1, 0x61, 0xa7, 0x33, 0xcf,
0x1f, 0x30
};
const char* output = "kpjwb6xzldif4qnjntyz7raoeon4vmlbu4z46hzq";
char result[40];
ByteStreamToBase32(input, 25, result, 40);
BOOST_CHECK_EQUAL_COLLECTIONS(result, result + 40, output, output + 40);
}
BOOST_AUTO_TEST_CASE(Base32Decode)
{
const char* input = "kpjwb6xzldif4qnjntyz7raoeon4vmlbu4z46hzq";
const uint8_t output[] = {
0x53, 0xd3, 0x60, 0xfa, 0xf9, 0x58, 0xd0, 0x5e, 0x41, 0xa9, 0x6c,
0xf1, 0x9f, 0xc4, 0xe, 0x23, 0x9b, 0xca, 0xb1, 0x61, 0xa7, 0x33, 0xcf,
0x1f, 0x30
};
uint8_t result[25];
Base32ToByteStream(input, 40, result, 25);
BOOST_CHECK_EQUAL_COLLECTIONS(result, result + 25, output, output + 25);
}
BOOST_AUTO_TEST_SUITE_END()