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This is the first step in allowing RSA_METHODs to implement their own key

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generation. This prototype matches the new API function
RSA_generate_key_ex(), though both may be subject to change during
development before 0.9.8.
This commit is contained in:
Geoff Thorpe 2003-01-07 05:51:39 +00:00
parent 876e96fdbf
commit 2814c62915
4 changed files with 24 additions and 2 deletions
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6
crypto/rsa/rsa.h
View File

@ -114,7 +114,11 @@ typedef struct rsa_meth_st
int (*rsa_verify)(int dtype,
const unsigned char *m, unsigned int m_length,
unsigned char *sigbuf, unsigned int siglen, const RSA *rsa);
/* If this callback is NULL, the builtin software RSA key-gen will be used. This
* is for behavioural compatibility whilst the code gets rewired, but one day
* it would be nice to assume there are no such things as "builtin software"
* implementations. */
int (*rsa_keygen)(RSA *rsa, int bits, unsigned long e, BN_GENCB *cb);
} RSA_METHOD;
struct rsa_st

3
crypto/rsa/rsa_eay.c
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@ -89,7 +89,8 @@ static RSA_METHOD rsa_pkcs1_eay_meth={
0, /* flags */
NULL,
0, /* rsa_sign */
0 /* rsa_verify */
0, /* rsa_verify */
NULL /* rsa_keygen */
};
const RSA_METHOD *RSA_PKCS1_SSLeay(void)

14
crypto/rsa/rsa_gen.c
View File

@ -68,7 +68,21 @@
#include <openssl/bn.h>
#include <openssl/rsa.h>
static int rsa_builtin_keygen(RSA *rsa, int bits, unsigned long e_value, BN_GENCB *cb);
/* NB: this wrapper would normally be placed in rsa_lib.c and the static
* implementation would probably be in rsa_eay.c. Nonetheless, is kept here so
* that we don't introduce a new linker dependency. Eg. any application that
* wasn't previously linking object code related to key-generation won't have to
* now just because key-generation is part of RSA_METHOD. */
int RSA_generate_key_ex(RSA *rsa, int bits, unsigned long e_value, BN_GENCB *cb)
{
if(rsa->meth->rsa_keygen)
return rsa->meth->rsa_keygen(rsa, bits, e_value, cb);
return rsa_builtin_keygen(rsa, bits, e_value, cb);
}
static int rsa_builtin_keygen(RSA *rsa, int bits, unsigned long e_value, BN_GENCB *cb)
{
BIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL,*tmp;
int bitsp,bitsq,ok= -1,n=0,i;

3
crypto/rsa/rsa_null.c
View File

@ -94,6 +94,9 @@ static RSA_METHOD rsa_null_meth={
RSA_null_finish,
0,
NULL,
NULL,
NULL,
NULL
};
const RSA_METHOD *RSA_null_method(void)