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Length check added

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This commit is contained in:
Janos Follath 2016-02-08 13:59:25 +00:00 committed by Simon Butcher
parent a91d85e331
commit 4ed7376a5d
1 changed files with 3 additions and 0 deletions
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3
library/rsa.c
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@ -844,6 +844,9 @@ int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
bad |= *p++; /* Must be zero */ bad |= *p++; /* Must be zero */
} }
if( pad_count < 8 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
if( bad ) if( bad )
return( POLARSSL_ERR_RSA_INVALID_PADDING ); return( POLARSSL_ERR_RSA_INVALID_PADDING );