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Add support for key inversion using AES-NI

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Manuel Pégourié-Gonnard 2013-12-28 15:58:30 +01:00
parent 80637c7520
commit 01e31bbffb
3 changed files with 42 additions and 0 deletions
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10
include/polarssl/aesni.h
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@ -81,6 +81,16 @@ int aesni_gcm_mult( unsigned char c[16],
const unsigned char a[16],
const unsigned char b[16] );
/**
* \brief Compute decryption round keys from encryption round keys
*
* \param invkey Round keys for the equivalent inverse cipher
* \param fwdkey Original round keys (for encryption)
* \param nr Number of rounds (that is, number of round keys minus one)
*/
void aesni_inverse_key( unsigned char *invkey,
const unsigned char *fwdkey, int nr );
#endif /* POLARSSL_HAVE_X86_64 */
#endif /* POLARSSL_AESNI_H */