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Get rid of pk_wrap_rsa()

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This commit is contained in:
Manuel Pégourié-Gonnard 2013-08-14 13:39:57 +02:00
parent f8c948a674
commit 3053f5bcb4
5 changed files with 94 additions and 44 deletions
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16
include/polarssl/pk.h
View file

@ -112,7 +112,6 @@ typedef struct
const pk_info_t * info; /**< Public key informations */
pk_type_t type; /**< Public key type (temporary) */
void * data; /**< Public key data */
int dont_free; /**< True if data must not be freed */
} pk_context;
/**
@ -140,21 +139,6 @@ void pk_free( pk_context *ctx );
*/
int pk_set_type( pk_context *ctx, pk_type_t type );
#if defined(POLARSSL_RSA_C)
/**
* \brief Wrap a RSA context in a PK context
*
* \param ctx PK context to initiliaze
* \param rsa RSA context to use
*
* \note The PK context must be freshly initialized.
*
* \return O on success,
* POLARSSL_ERR_PK_TYPE_MISMATCH if ctx was not empty.
*/
int pk_wrap_rsa( pk_context *ctx, const rsa_context *rsa);
#endif /* POLARSSL_RSA_C */
#ifdef __cplusplus
}
#endif

11
include/polarssl/rsa.h
View file

@ -506,6 +506,17 @@ int rsa_rsassa_pss_verify( rsa_context *ctx,
const unsigned char *hash,
const unsigned char *sig );
/**
* \brief Copy the components of an RSA context
*
* \param dst Destination context
* \param src Source context
*
* \return O on success,
* POLARSSL_ERR_MPI_MALLOC_FAILED on memory allocation failure
*/
int rsa_copy( rsa_context *dst, const rsa_context *src );
/**
* \brief Free the components of an RSA key
*

21
library/pk.c
View file

@ -58,7 +58,6 @@ void pk_init( pk_context *ctx )
ctx->info = NULL;
ctx->type = POLARSSL_PK_NONE;
ctx->data = NULL;
ctx->dont_free = 0;
}
/*
@ -88,8 +87,7 @@ void pk_free( pk_context *ctx )
; /* guard for the else's above */
}
if( ! ctx->dont_free )
polarssl_free( ctx->data );
polarssl_free( ctx->data );
ctx->info = NULL;
ctx->type = POLARSSL_PK_NONE;
@ -150,20 +148,3 @@ int pk_set_type( pk_context *ctx, pk_type_t type )
return( 0 );
}
#if defined(POLARSSL_RSA_C)
/*
* Wrap an RSA context in a PK context
*/
int pk_wrap_rsa( pk_context *ctx, const rsa_context *rsa)
{
if( ctx->type != POLARSSL_PK_NONE )
return( POLARSSL_ERR_PK_TYPE_MISMATCH );
ctx->type = POLARSSL_PK_RSA;
ctx->data = (rsa_context *) rsa;
ctx->dont_free = 1;
return( 0 );
}
#endif

34
library/rsa.c
View file

@ -1196,6 +1196,40 @@ int rsa_pkcs1_verify( rsa_context *ctx,
}
}
/*
* Copy the components of an RSA key
*/
int rsa_copy( rsa_context *dst, const rsa_context *src )
{
int ret;
dst->ver = src->ver;
dst->len = src->len;
MPI_CHK( mpi_copy( &dst->N, &src->N ) );
MPI_CHK( mpi_copy( &dst->E, &src->E ) );
MPI_CHK( mpi_copy( &dst->D, &src->D ) );
MPI_CHK( mpi_copy( &dst->P, &src->P ) );
MPI_CHK( mpi_copy( &dst->Q, &src->Q ) );
MPI_CHK( mpi_copy( &dst->DP, &src->DP ) );
MPI_CHK( mpi_copy( &dst->DQ, &src->DQ ) );
MPI_CHK( mpi_copy( &dst->QP, &src->QP ) );
MPI_CHK( mpi_copy( &dst->RN, &src->RN ) );
MPI_CHK( mpi_copy( &dst->RP, &src->RP ) );
MPI_CHK( mpi_copy( &dst->RQ, &src->RQ ) );
dst->padding = src->padding;
dst->hash_id = src->padding;
cleanup:
if( ret != 0 )
rsa_free( dst );
return( ret );
}
/*
* Free the components of an RSA key
*/

56
library/x509parse.c
View file

@ -2138,12 +2138,22 @@ int x509parse_public_keyfile( pk_context *ctx, const char *path )
*/
int x509parse_keyfile_rsa( rsa_context *rsa, const char *path, const char *pwd )
{
int ret;
pk_context pk;
pk_init( &pk );
pk_wrap_rsa( &pk, rsa );
pk_set_type( &pk, POLARSSL_PK_RSA );
return( x509parse_keyfile( &pk, path, pwd ) );
ret = x509parse_keyfile( &pk, path, pwd );
if( ret == 0 )
rsa_copy( rsa, pk.data );
else
rsa_free( rsa );
pk_free( &pk );
return( ret );
}
/*
@ -2151,12 +2161,22 @@ int x509parse_keyfile_rsa( rsa_context *rsa, const char *path, const char *pwd )
*/
int x509parse_public_keyfile_rsa( rsa_context *rsa, const char *path )
{
int ret;
pk_context pk;
pk_init( &pk );
pk_wrap_rsa( &pk, rsa );
pk_set_type( &pk, POLARSSL_PK_RSA );
return( x509parse_public_keyfile( &pk, path ) );
ret = x509parse_public_keyfile( &pk, path );
if( ret == 0 )
rsa_copy( rsa, pk.data );
else
rsa_free( rsa );
pk_free( &pk );
return( ret );
}
#endif /* POLARSSL_RSA_C */
#endif /* POLARSSL_FS_IO */
@ -2745,12 +2765,22 @@ int x509parse_key_rsa( rsa_context *rsa,
const unsigned char *key, size_t keylen,
const unsigned char *pwd, size_t pwdlen )
{
int ret;
pk_context pk;
pk_init( &pk );
pk_wrap_rsa( &pk, rsa );
pk_set_type( &pk, POLARSSL_PK_RSA );
return( x509parse_key( &pk, key, keylen, pwd, pwdlen ) );
ret = x509parse_key( &pk, key, keylen, pwd, pwdlen );
if( ret == 0 )
rsa_copy( rsa, pk.data );
else
rsa_free( rsa );
pk_free( &pk );
return( ret );
}
/*
@ -2759,12 +2789,22 @@ int x509parse_key_rsa( rsa_context *rsa,
int x509parse_public_key_rsa( rsa_context *rsa,
const unsigned char *key, size_t keylen )
{
int ret;
pk_context pk;
pk_init( &pk );
pk_wrap_rsa( &pk, rsa );
pk_set_type( &pk, POLARSSL_PK_RSA );
return( x509parse_public_key( &pk, key, keylen ) );
ret = x509parse_public_key( &pk, key, keylen );
if( ret == 0 )
rsa_copy( rsa, pk.data );
else
rsa_free( rsa );
pk_free( &pk );
return( ret );
}
#endif /* POLARSSL_RSA_C */