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RSA: Use hashlen as the hash input size as documented

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Where hashlen was previously ignored when the hash length could be
inferred from an md_alg parameter, the two must now match.

Adapt the existing tests accordingly. Adapt the sample programs accordingly.

This commit does not add any negative testing.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2021-06-22 18:39:53 +02:00
parent 9dbbc297a3
commit 6e3187b212
9 changed files with 71 additions and 56 deletions
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2
programs/pkey/dh_server.c
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@ -229,7 +229,7 @@ int main( void )
buf[n + 1] = (unsigned char)( rsa.MBEDTLS_PRIVATE(len) );
if( ( ret = mbedtls_rsa_pkcs1_sign( &rsa, NULL, NULL, MBEDTLS_MD_SHA256,
0, hash, buf + n + 2 ) ) != 0 )
32, hash, buf + n + 2 ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_rsa_pkcs1_sign returned %d\n\n", ret );
goto exit;