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Merge remote-tracking branch 'public/pr/2077' into development-restricted-proposed

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This commit is contained in:
Simon Butcher 2018-11-07 12:57:24 +00:00
commit 93a9b497e0
1 changed files with 20 additions and 16 deletions
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36
library/pkparse.c
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@ -1295,6 +1295,7 @@ int mbedtls_pk_parse_key( mbedtls_pk_context *pk,
return( 0 ); return( 0 );
mbedtls_pk_free( pk ); mbedtls_pk_free( pk );
mbedtls_pk_init( pk );
if( ret == MBEDTLS_ERR_PK_PASSWORD_MISMATCH ) if( ret == MBEDTLS_ERR_PK_PASSWORD_MISMATCH )
{ {
@ -1306,39 +1307,42 @@ int mbedtls_pk_parse_key( mbedtls_pk_context *pk,
return( 0 ); return( 0 );
mbedtls_pk_free( pk ); mbedtls_pk_free( pk );
mbedtls_pk_init( pk );
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ); pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_RSA );
if( ( ret = mbedtls_pk_setup( pk, pk_info ) ) != 0 || if( mbedtls_pk_setup( pk, pk_info ) == 0 &&
( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), key, keylen ) == 0 )
key, keylen ) ) != 0 )
{
mbedtls_pk_free( pk );
}
else
{ {
return( 0 ); return( 0 );
} }
mbedtls_pk_free( pk );
mbedtls_pk_init( pk );
#endif /* MBEDTLS_RSA_C */ #endif /* MBEDTLS_RSA_C */
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ); pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY );
if( ( ret = mbedtls_pk_setup( pk, pk_info ) ) != 0 || if( mbedtls_pk_setup( pk, pk_info ) == 0 &&
( ret = pk_parse_key_sec1_der( mbedtls_pk_ec( *pk ), pk_parse_key_sec1_der( mbedtls_pk_ec( *pk ),
key, keylen ) ) != 0 ) key, keylen ) == 0 )
{
mbedtls_pk_free( pk );
}
else
{ {
return( 0 ); return( 0 );
} }
mbedtls_pk_free( pk );
#endif /* MBEDTLS_ECP_C */ #endif /* MBEDTLS_ECP_C */
/* If MBEDTLS_RSA_C is defined but MBEDTLS_ECP_C isn't,
* it is ok to leave the PK context initialized but not
* freed: It is the caller's responsibility to call pk_init()
* before calling this function, and to call pk_free()
* when it fails. If MBEDTLS_ECP_C is defined but MBEDTLS_RSA_C
* isn't, this leads to mbedtls_pk_free() being called
* twice, once here and once by the caller, but this is
* also ok and in line with the mbedtls_pk_free() calls
* on failed PEM parsing attempts. */
return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT ); return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
} }