winamp/Src/auth/OAuthKey.cpp
2024-09-24 14:54:57 +02:00

31 lines
668 B
C++

#include "OAuthKey.h"
#include "b64.h"
OAuthKey::OAuthKey(const void *key, size_t key_len)
{
HMAC_SHA256_Init(&ctx);
HMAC_SHA256_UpdateKey(&ctx, (unsigned char *)key, (int)key_len);
HMAC_SHA256_EndKey(&ctx);
HMAC_SHA256_StartMessage(&ctx);
}
OAuthKey::~OAuthKey()
{
HMAC_SHA256_Done(&ctx);
}
void OAuthKey::FeedMessage(const void *data, size_t data_len)
{
HMAC_SHA256_UpdateMessage(&ctx, (unsigned char *)data, (unsigned int)data_len);
}
void OAuthKey::EndMessage()
{
HMAC_SHA256_EndMessage(buf, &ctx);
}
void OAuthKey::GetBase64(char *output, size_t cch)
{
size_t len = b64::b64_encode(buf, HMAC_SHA256_DIGEST_LENGTH, output, cch);
output[len] = '\0';
}