* Makefile.in (hogweed_SOURCES): Added pkcs1-rsa-sha512.c,

rsa-sha512-sign.c and rsa-sha512-verify.c.

* rsa.h: Added prototypes for sha512-related functions.
(RSA_MINIMUM_N_OCTETS, RSA_MINIMUM_N_BITS): Increased.
* pkcs1.h: Added prototypes for sha512-related functions.

* rsa-sha512-verify.c: New file.
* rsa-sha512-sign.c: New file.
* pkcs1-rsa-sha512.c: New file.

Rev: nettle/ChangeLog:1.52
Rev: nettle/Makefile.in:1.16
Rev: nettle/pkcs1-rsa-sha512.c:1.1
Rev: nettle/pkcs1.h:1.2
Rev: nettle/rsa-sha512-sign.c:1.1
Rev: nettle/rsa-sha512-verify.c:1.1
Rev: nettle/rsa.h:1.3