X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/69c766140a30ceb670f0da901b36e7b2ad5cc5f3..a423beaf3ec21f7ace84fb882453fa4d68cedb45:/rsa.c diff --git a/rsa.c b/rsa.c index 90eced3c..1a509de3 100644 --- a/rsa.c +++ b/rsa.c @@ -1,37 +1,37 @@ /* - * + * * rsa.c - * + * * Author: Tatu Ylonen - * + * * Copyright (c) 1995 Tatu Ylonen , Espoo, Finland * All rights reserved - * + * * Created: Fri Mar 3 22:07:06 1995 ylo - * + * * Description of the RSA algorithm can be found e.g. from the following sources: - * + * * Bruce Schneier: Applied Cryptography. John Wiley & Sons, 1994. - * + * * Jennifer Seberry and Josed Pieprzyk: Cryptography: An Introduction to * Computer Security. Prentice-Hall, 1989. - * + * * Man Young Rhee: Cryptography and Secure Data Communications. McGraw-Hill, * 1994. - * + * * R. Rivest, A. Shamir, and L. M. Adleman: Cryptographic Communications * System and Method. US Patent 4,405,829, 1983. - * + * * Hans Riesel: Prime Numbers and Computer Methods for Factorization. * Birkhauser, 1994. - * + * * The RSA Frequently Asked Questions document by RSA Data Security, Inc., 1995. - * + * * RSA in 3 lines of perl by Adam Back , 1995, as included * below: - * + * * [gone - had to be deleted - what a pity] - * + * */ #include "includes.h" @@ -40,7 +40,7 @@ RCSID("$Id$"); #include "rsa.h" #include "ssh.h" #include "xmalloc.h" -#include "random.h" +#include "entropy.h" int rsa_verbose = 1; @@ -49,6 +49,7 @@ rsa_alive() { RSA *key; + seed_rng(); key = RSA_generate_key(32, 3, NULL, NULL); if (key == NULL) return (0); @@ -71,19 +72,6 @@ keygen_progress(int p, int n, void *arg) fflush(stdout); } -/* - * Seed OpenSSL's random number generator - */ -void -seed_rng() -{ - char buf[32]; - - get_random_bytes(buf, sizeof(buf)); - RAND_seed(buf, sizeof(buf)); - memset(buf, 0, sizeof(buf)); -} - /* * Generates RSA public and private keys. This initializes the data * structures; they should be freed with rsa_clear_private_key and @@ -144,7 +132,7 @@ rsa_generate_key(RSA *prv, RSA *pub, unsigned int bits) void rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key) { - char *inbuf, *outbuf; + unsigned char *inbuf, *outbuf; int len, ilen, olen; if (BN_num_bits(key->e) < 2 || !BN_is_odd(key->e)) @@ -158,7 +146,7 @@ rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key) BN_bn2bin(in, inbuf); if ((len = RSA_public_encrypt(ilen, inbuf, outbuf, key, - RSA_PKCS1_PADDING)) <= 0) + RSA_PKCS1_PADDING)) <= 0) fatal("rsa_public_encrypt() failed"); BN_bin2bn(outbuf, len, out); @@ -172,7 +160,7 @@ rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key) void rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key) { - char *inbuf, *outbuf; + unsigned char *inbuf, *outbuf; int len, ilen, olen; olen = BN_num_bytes(key->n); @@ -183,7 +171,7 @@ rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key) BN_bn2bin(in, inbuf); if ((len = RSA_private_decrypt(ilen, inbuf, outbuf, key, - RSA_SSLV23_PADDING)) <= 0) + RSA_PKCS1_PADDING)) <= 0) fatal("rsa_private_decrypt() failed"); BN_bin2bn(outbuf, len, out);