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Add ecdsa_init and ecdsa_free

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Manuel Pégourié-Gonnard 2013-06-27 12:54:02 +02:00
parent bec2f45cfc
commit 7c8934ea0e
2 changed files with 41 additions and 0 deletions
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14
include/polarssl/ecdsa.h
View File

@ -84,6 +84,20 @@ int ecdsa_verify( const ecp_group *grp,
const unsigned char *buf, size_t blen,
const ecp_point *Q, const mpi *r, const mpi *s);
/**
* \brief Initialize context
*
* \param ctx Context to initialize
*/
void ecdsa_init( ecdsa_context *ctx );
/**
* \brief Free context
*
* \param ctx Context to free
*/
void ecdsa_free( ecdsa_context *ctx );
/**
* \brief Checkup routine
*

27
library/ecdsa.c
View File

@ -174,6 +174,33 @@ cleanup:
return( ret );
}
/*
* Initialize context
*/
void ecdsa_init( ecdsa_context *ctx )
{
ecp_group_init( &ctx->grp );
mpi_init( &ctx->d );
ecp_point_init( &ctx->Q );
mpi_init( &ctx->r );
mpi_init( &ctx->s );
mpi_init( &ctx->d );
ctx->point_format = POLARSSL_ECP_PF_UNCOMPRESSED;
}
/*
* Free context
*/
void ecdsa_free( ecdsa_context *ctx )
{
ecp_group_free( &ctx->grp );
mpi_free( &ctx->d );
ecp_point_free( &ctx->Q );
mpi_free( &ctx->r );
mpi_free( &ctx->s );
mpi_free( &ctx->d );
ctx->point_format = POLARSSL_ECP_PF_UNCOMPRESSED;
}
#if defined(POLARSSL_SELF_TEST)