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Flag to allow use of DSA_METHOD in FIPS mode.

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This commit is contained in:
Dr. Stephen Henson 2006-03-31 17:09:46 +00:00
parent fcdf1d3fc7
commit 6fa6e3e2df
3 changed files with 13 additions and 3 deletions
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7
crypto/dsa/dsa.h
View File

@ -88,6 +88,13 @@
* be used for all exponents. * be used for all exponents.
*/ */
/* If this flag is set external DSA_METHOD callbacks are allowed in FIPS mode
* it is then the applications responsibility to ensure the external method
* is compliant.
*/
#define DSA_FLAG_FIPS_EXTERNAL_METHOD_ALLOW 0x04
#if defined(OPENSSL_FIPS) #if defined(OPENSSL_FIPS)
#define FIPS_DSA_SIZE_T int #define FIPS_DSA_SIZE_T int
#endif #endif

6
crypto/dsa/dsa_sign.c
View File

@ -72,7 +72,8 @@
DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{ {
#ifdef OPENSSL_FIPS #ifdef OPENSSL_FIPS
if(FIPS_mode() && !FIPS_dsa_check(dsa)) if(FIPS_mode() && !FIPS_dsa_check(dsa)
&& !(dsa->flags & DSA_FLAG_FIPS_EXTERNAL_METHOD_ALLOW))
return NULL; return NULL;
#endif #endif
return dsa->meth->dsa_do_sign(dgst, dlen, dsa); return dsa->meth->dsa_do_sign(dgst, dlen, dsa);
@ -96,7 +97,8 @@ int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig,
int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
{ {
#ifdef OPENSSL_FIPS #ifdef OPENSSL_FIPS
if(FIPS_mode() && !FIPS_dsa_check(dsa)) if(FIPS_mode() && !FIPS_dsa_check(dsa)
&& !(dsa->flags & DSA_FLAG_FIPS_EXTERNAL_METHOD_ALLOW))
return 0; return 0;
#endif #endif
return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp); return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp);

3
crypto/dsa/dsa_vrf.c
View File

@ -74,7 +74,8 @@ int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
DSA *dsa) DSA *dsa)
{ {
#ifdef OPENSSL_FIPS #ifdef OPENSSL_FIPS
if(FIPS_mode() && !FIPS_dsa_check(dsa)) if(FIPS_mode() && !FIPS_dsa_check(dsa)
&& !(dsa->flags & DSA_FLAG_FIPS_EXTERNAL_METHOD_ALLOW))
return -1; return -1;
#endif #endif
return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa); return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa);