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Add a comment about modules coupling

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Manuel Pégourié-Gonnard 2013-10-23 20:56:12 +02:00
parent b21c81fb41
commit 9fcceac943
1 changed files with 9 additions and 0 deletions
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9
library/ecp.c
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@ -1581,6 +1581,15 @@ int ecp_gen_keypair( ecp_group *grp, mpi *d, ecp_point *Q,
} }
#if defined(POLARSSL_ECP_NIST_OPTIM) #if defined(POLARSSL_ECP_NIST_OPTIM)
/*
* Fast reduction modulo the primes used by the NIST curves.
*
* These functions are: critical for speed, but not need for correct
* operations. So, we make the choice to heavily rely on the internals of our
* bignum library, which creates a tight coupling between these functions and
* our MPI implementation. However, the coupling between the ECP module and
* MPI remains loose, since these functions can be deactivated at will.
*/
#if defined(POLARSSL_ECP_DP_SECP192R1_ENABLED) #if defined(POLARSSL_ECP_DP_SECP192R1_ENABLED)
/* /*