RSA with more than two primes is specified in https://tools.ietf.org/html/rfc3447, although the idea goes back far earier than that. This change ports some of the changes in http://rt.openssl.org/Ticket/Display.html?id=3477&user=guest&pass=guest to BoringSSL—specifically those bits that are under an OpenSSL license. Change-Id: I51e8e345e2148702b8ce12e00518f6ef4683d3e1 Reviewed-on: https://boringssl-review.googlesource.com/4870 Reviewed-by: Adam Langley <agl@google.com>
Initial fork from f2d678e6e89b6508147086610e985d4e8416e867 (1.0.2 beta). (This change contains substantial changes from the original and effectively starts a new history.)
