以下是最简单的做法,欲了解详情,请在Linux下 man openssl,man rsa,man genrsa。 C/C++ code # openssl genrsa Generating RSA private key, 512 bit long modulus .........++++++++++++ .............................++++++++++++ e is 65537 (0x10001) -----BEGIN RSA PRIVATE KEY----- MIIBOgIBAAJBALeHSLCEUyjWsgHSfuisWUjbckupB0t0lLJkOEu/70CdlChfUjT+ AisAf6aXGMbgpAYWSo7Uj09o+3iuf8dfxiMCAwEAAQJAZKGyUs+LxaXLX0JrQetW 3aMuTZw2GsKm0hYv5CEu7+9J2elOOHjjid43o/pf9ZVUmlLDr4RnnXlBwUGDUen9 yQIhANqecJlS7viaMFdKPutitnDnX1To1bpEPMrx894WaqdVAiEA1ujWQ8CTRcID VSl411dReQtT5pChR3vpENtIFMTUx5cCIAm5UGLReIWgPhQz3jaUDm9ZKzlYneEK FfYk6ubu8lF9AiEAqMps5v/Ma8CKv4t4FqHFIq3L8s3rbeqbThr8DRvfBvcCIAnm nWWadezARuf7phafeK2Vl1TiNXJXTfN1tPebNIJO -----END RSA PRIVATE KEY-----