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Add RNG params to private key parsing

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This is necessary for the case where the public part of an EC keypair
needs to be computed from the private part - either because it was not
included (it's an optional component) or because it was compressed (a
format we can't parse).

This changes the API of two public functions: mbedtls_pk_parse_key() and
mbedtls_pk_parse_keyfile().

Tests and programs have been adapted. Some programs use a non-secure RNG
(from the test library) just to get things to compile and run; in a
future commit this should be improved in order to demonstrate best
practice.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard
2021-06-15 11:29:26 +02:00
parent 39be1410fd
commit 84dea01f36
25 changed files with 175 additions and 121 deletions
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3
programs/pkey/pk_decrypt.c
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@ -106,7 +106,8 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Reading private key from '%s'", argv[1] );
fflush( stdout );
if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 )
if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "",
mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%04x\n", (unsigned int) -ret );
goto exit;