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31 lines
652 B
C++
31 lines
652 B
C++
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#include "aes.h"
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namespace i2p
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{
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namespace crypto
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{
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void CBCEncryption::Encrypt (int numBlocks, const ChipherBlock * in, ChipherBlock * out)
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{
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for (int i = 0; i < numBlocks; i++)
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{
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m_LastBlock.ll[0] ^= in[i].ll[0];
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m_LastBlock.ll[1] ^= in[i].ll[1];
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m_ECBEncryption.ProcessData (m_LastBlock.buf, m_LastBlock.buf, 16);
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out[i] = m_LastBlock;
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}
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}
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void CBCDecryption::Decrypt (int numBlocks, const ChipherBlock * in, ChipherBlock * out)
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{
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for (int i = 0; i < numBlocks; i++)
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{
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m_ECBDecryption.ProcessData (out[i].buf, in[i].buf, 16);
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out[i].ll[0] ^= m_IV.ll[0];
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out[i].ll[1] ^= m_IV.ll[1];
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m_IV = in[i];
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}
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}
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}
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}
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