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Don't require P,Q if CRT is not used

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Previously, verification used P,Q regardless of whether CRT was used in the
computation, but this has changed in the meantime.
This commit is contained in:
Hanno Becker 2017-09-28 11:04:13 +01:00
parent 8d1dd1b5b9
commit 2c9f027e32
1 changed files with 3 additions and 3 deletions
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6
library/rsa.c
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@ -448,15 +448,15 @@ int mbedtls_rsa_private( mbedtls_rsa_context *ctx,
/* Sanity-check that all relevant fields are at least set, /* Sanity-check that all relevant fields are at least set,
* but don't perform a full keycheck. */ * but don't perform a full keycheck. */
if( mbedtls_mpi_cmp_int( &ctx->N, 0 ) == 0 || if( mbedtls_mpi_cmp_int( &ctx->N, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->P, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->Q, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->D, 0 ) == 0 || mbedtls_mpi_cmp_int( &ctx->D, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->E, 0 ) == 0 ) mbedtls_mpi_cmp_int( &ctx->E, 0 ) == 0 )
{ {
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA ); return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
} }
#if !defined(MBEDTLS_RSA_NO_CRT) #if !defined(MBEDTLS_RSA_NO_CRT)
if( mbedtls_mpi_cmp_int( &ctx->DP, 0 ) == 0 || if( mbedtls_mpi_cmp_int( &ctx->P, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->Q, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->DP, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->DQ, 0 ) == 0 || mbedtls_mpi_cmp_int( &ctx->DQ, 0 ) == 0 ||
mbedtls_mpi_cmp_int( &ctx->QP, 0 ) == 0 ) mbedtls_mpi_cmp_int( &ctx->QP, 0 ) == 0 )
{ {