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Merge pull request #4193 from daverodgman/rsa_private_backport_2.7

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Backport 2.7: Fix an incorrect error code if RSA private operation glitched
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Dave Rodgman 2021-03-04 12:27:42 +00:00 committed by GitHub
commit 6a6668a944
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2 changed files with 4 additions and 2 deletions
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ChangeLog.d/rsa_private-ret.txt Normal file
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@ -0,0 +1,2 @@
Bugfix
* Fix an incorrect error code if an RSA private operation glitched.

4
library/rsa.c
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@ -1045,10 +1045,10 @@ cleanup:
mbedtls_mpi_free( &C ); mbedtls_mpi_free( &C );
mbedtls_mpi_free( &I ); mbedtls_mpi_free( &I );
if( ret != 0 ) if( ret != 0 && ret >= -0x007f )
return( MBEDTLS_ERR_RSA_PRIVATE_FAILED + ret ); return( MBEDTLS_ERR_RSA_PRIVATE_FAILED + ret );
return( 0 ); return( ret );
} }
#if defined(MBEDTLS_PKCS1_V21) #if defined(MBEDTLS_PKCS1_V21)