diff options
| author | Geoff Thorpe <geoff@openssl.org> | 2004-04-26 15:31:35 +0000 |
|---|---|---|
| committer | Geoff Thorpe <geoff@openssl.org> | 2004-04-26 15:31:35 +0000 |
| commit | bcfea9fb25738b007cfef48d5070376c4398675a (patch) | |
| tree | 4c60cc4cb29540bf98072e95c712495a129cc646 /crypto/rsa/rsa_depr.c | |
| parent | f3f52d7f45967af4f70045921dfa12e6faedcc92 (diff) | |
| download | openssl-bcfea9fb25738b007cfef48d5070376c4398675a.tar.gz | |
Allow RSA key-generation to specify an arbitrary public exponent. Jelte
proposed the change and submitted the patch, I jiggled it slightly and
adjusted the other parts of openssl that were affected.
PR: 867
Submitted by: Jelte Jansen
Reviewed by: Geoff Thorpe
Diffstat (limited to 'crypto/rsa/rsa_depr.c')
| -rw-r--r-- | crypto/rsa/rsa_depr.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/crypto/rsa/rsa_depr.c b/crypto/rsa/rsa_depr.c index 2d87cd39f3..73fa6eea90 100644 --- a/crypto/rsa/rsa_depr.c +++ b/crypto/rsa/rsa_depr.c @@ -62,23 +62,39 @@ #include <openssl/bn.h> #include <openssl/rsa.h> +#ifdef OPENSSL_NO_DEPRECATED + static void *dummy=&dummy; -#ifndef OPENSSL_NO_DEPRECATED +#else + RSA *RSA_generate_key(int bits, unsigned long e_value, void (*callback)(int,int,void *), void *cb_arg) { BN_GENCB cb; - RSA *rsa; + int i; + RSA *rsa = RSA_new(); + BIGNUM *e = BN_new(); - if((rsa=RSA_new()) == NULL) - return 0; + if(!rsa || !e) goto err; + + /* The problem is when building with 8, 16, or 32 BN_ULONG, + * unsigned long can be larger */ + for (i=0; i<sizeof(unsigned long)*8; i++) + { + if (e_value & (1UL<<i)) + BN_set_bit(e,i); + } BN_GENCB_set_old(&cb, callback, cb_arg); - if(RSA_generate_key_ex(rsa, bits, e_value, &cb)) + if(RSA_generate_key_ex(rsa, bits, e, &cb)) { + BN_free(e); return rsa; - RSA_free(rsa); + } +err: + if(e) BN_free(e); + if(rsa) RSA_free(rsa); return 0; } #endif |