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e7fb062754
Implement vli_mmod_fast_521 following the description for how to calculate the modulus for NIST P521 in the NIST publication "Recommendations for Discrete Logarithm-Based Cryptography: Elliptic Curve Domain Parameters" section G.1.4. NIST p521 requires 9 64bit digits, so increase the ECC_MAX_DIGITS so that the vli digit array provides enough elements to fit the larger integers required by this curve. Tested-by: Lukas Wunner <lukas@wunner.de> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>