generic-library/openssl
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Check for OPENSSL_NO_RSA, OPENSSL_NO_DSA and OPENSSL_NO_DH and disable

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appropriate code if any of them is defined.
This commit is contained in:
Richard Levitte
2001-04-26 15:45:12 +00:00
parent 3caff6092a
commit 9e78e6c3f8
10 changed files with 363 additions and 23 deletions
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32
crypto/engine/hw_cswift.c
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@@ -94,22 +94,28 @@ static int cswift_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
const BIGNUM *iqmp, BN_CTX *ctx);
#ifndef OPENSSL_NO_RSA
/* RSA stuff */
static int cswift_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
#endif
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int cswift_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
#ifndef OPENSSL_NO_DSA
/* DSA stuff */
static DSA_SIG *cswift_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
static int cswift_dsa_verify(const unsigned char *dgst, int dgst_len,
DSA_SIG *sig, DSA *dsa);
#endif
#ifndef OPENSSL_NO_DH
/* DH stuff */
/* This function is alised to mod_exp (with the DH and mont dropped). */
static int cswift_mod_exp_dh(const DH *dh, BIGNUM *r,
const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
#endif
/* The definitions for control commands specific to this engine */
#define CSWIFT_CMD_SO_PATH ENGINE_CMD_BASE
@@ -121,6 +127,7 @@ static const ENGINE_CMD_DEFN cswift_cmd_defns[] = {
{0, NULL, NULL, 0}
};
#ifndef OPENSSL_NO_RSA
/* Our internal RSA_METHOD that we provide pointers to */
static RSA_METHOD cswift_rsa =
{
@@ -138,7 +145,9 @@ static RSA_METHOD cswift_rsa =
NULL,
NULL
};
#endif
#ifndef OPENSSL_NO_DSA
/* Our internal DSA_METHOD that we provide pointers to */
static DSA_METHOD cswift_dsa =
{
@@ -153,7 +162,9 @@ static DSA_METHOD cswift_dsa =
0, /* flags */
NULL /* app_data */
};
#endif
#ifndef OPENSSL_NO_DH
/* Our internal DH_METHOD that we provide pointers to */
static DH_METHOD cswift_dh =
{
@@ -166,6 +177,7 @@ static DH_METHOD cswift_dh =
0,
NULL
};
#endif
/* Constants used when creating the ENGINE */
static const char *engine_cswift_id = "cswift";
@@ -175,16 +187,26 @@ static const char *engine_cswift_name = "CryptoSwift hardware engine support";
* (indeed - the lock will already be held by our caller!!!) */
ENGINE *ENGINE_cswift()
{
#ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth1;
#endif
#ifndef OPENSSL_NO_DH
const DH_METHOD *meth2;
#endif
ENGINE *ret = ENGINE_new();
if(!ret)
return NULL;
if(!ENGINE_set_id(ret, engine_cswift_id) ||
!ENGINE_set_name(ret, engine_cswift_name) ||
#ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(ret, &cswift_rsa) ||
#endif
#ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(ret, &cswift_dsa) ||
#endif
#ifndef OPENSSL_NO_DH
!ENGINE_set_DH(ret, &cswift_dh) ||
#endif
!ENGINE_set_BN_mod_exp(ret, &cswift_mod_exp) ||
!ENGINE_set_BN_mod_exp_crt(ret, &cswift_mod_exp_crt) ||
!ENGINE_set_init_function(ret, cswift_init) ||
@@ -196,6 +218,7 @@ ENGINE *ENGINE_cswift()
return NULL;
}
#ifndef OPENSSL_NO_RSA
/* We know that the "PKCS1_SSLeay()" functions hook properly
* to the cswift-specific mod_exp and mod_exp_crt so we use
* those functions. NB: We don't use ENGINE_openssl() or
@@ -208,11 +231,14 @@ ENGINE *ENGINE_cswift()
cswift_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
cswift_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
cswift_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
#endif
#ifndef OPENSSL_NO_DH
/* Much the same for Diffie-Hellman */
meth2 = DH_OpenSSL();
cswift_dh.generate_key = meth2->generate_key;
cswift_dh.compute_key = meth2->compute_key;
#endif
return ret;
}
@@ -572,6 +598,7 @@ err:
return to_return;
}
#ifndef OPENSSL_NO_RSA
static int cswift_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
{
BN_CTX *ctx;
@@ -591,6 +618,7 @@ err:
BN_CTX_free(ctx);
return to_return;
}
#endif
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int cswift_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
@@ -599,6 +627,7 @@ static int cswift_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
return cswift_mod_exp(r, a, p, m, ctx);
}
#ifndef OPENSSL_NO_DSA
static DSA_SIG *cswift_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{
SW_CONTEXT_HANDLE hac;
@@ -823,7 +852,9 @@ err:
}
return to_return;
}
#endif
#ifndef OPENSSL_NO_DH
/* This function is aliased to mod_exp (with the dh and mont dropped). */
static int cswift_mod_exp_dh(const DH *dh, BIGNUM *r,
const BIGNUM *a, const BIGNUM *p,
@@ -831,6 +862,7 @@ static int cswift_mod_exp_dh(const DH *dh, BIGNUM *r,
{
return cswift_mod_exp(r, a, p, m, ctx);
}
#endif
#endif /* !OPENSSL_NO_HW_CSWIFT */
#endif /* !OPENSSL_NO_HW */