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