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Refactor Base64 functions, encode/decode using OpenSSL's EVP interface

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Our own implementation works fine, however we should use OpenSSL's one since we already link to the library.

Base64Decode() and Base64Encode() return the required buffer size when "dst" is NULL.

This allows to efficiently allocate a buffer, without wasting memory or risking an overflow.

Base64FromBin() and Base64ToBin() perform all steps, returning a heap-allocated buffer with the data in it.
This commit is contained in:
Davide Beatrici
2021-07-02 09:24:41 +02:00
parent 03d67fd5b1
commit 233e28f38c
14 changed files with 224 additions and 369 deletions
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8
src/Mayaqua/Memory.h
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@ -190,12 +190,8 @@ void Zero(void *addr, UINT size);
void *Clone(void *addr, UINT size);
void *AddHead(void *src, UINT src_size, void *head, UINT head_size);
char B64_CodeToChar(BYTE c);
char B64_CharToCode(char c);
int B64_Encode(char *set, char *source, int len);
int B64_Decode(char *set, char *source, int len);
UINT Encode64(char *dst, char *src);
UINT Decode64(char *dst, char *src);
void *Base64FromBin(UINT *out_size, const void *src, const UINT size);
void *Base64ToBin(UINT *out_size, const void *src, const UINT size);
USHORT Swap16(USHORT value);
UINT Swap32(UINT value);