/* crypto/rsa/rsa_pmeth.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2006.
*/
/* ====================================================================
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/evp.h>
+#ifndef OPENSSL_NO_CMS
+#include <openssl/cms.h>
+#endif
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
#include "evp_locl.h"
#include "rsa_locl.h"
int pad_mode;
/* message digest */
const EVP_MD *md;
+ /* message digest for MGF1 */
+ const EVP_MD *mgf1md;
/* PSS/OAEP salt length */
int saltlen;
/* Temp buffer */
rctx->pub_exp = NULL;
rctx->pad_mode = RSA_PKCS1_PADDING;
rctx->md = NULL;
+ rctx->mgf1md = NULL;
rctx->tbuf = NULL;
rctx->saltlen = -2;
OPENSSL_free(rctx);
}
}
+#ifdef OPENSSL_FIPS
+/* FIP checker. Return value indicates status of context parameters:
+ * 1 : redirect to FIPS.
+ * 0 : don't redirect to FIPS.
+ * -1 : illegal operation in FIPS mode.
+ */
+
+static int pkey_fips_check_ctx(EVP_PKEY_CTX *ctx)
+ {
+ RSA_PKEY_CTX *rctx = ctx->data;
+ RSA *rsa = ctx->pkey->pkey.rsa;
+ int rv = -1;
+ if (!FIPS_mode())
+ return 0;
+ if (rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)
+ rv = 0;
+ if (!(rsa->meth->flags & RSA_FLAG_FIPS_METHOD) && rv)
+ return -1;
+ if (rctx->md)
+ {
+ const EVP_MD *fmd;
+ fmd = FIPS_get_digestbynid(EVP_MD_type(rctx->md));
+ if (!fmd || !(fmd->flags & EVP_MD_FLAG_FIPS))
+ return rv;
+ }
+ if (rctx->mgf1md && !(rctx->mgf1md->flags & EVP_MD_FLAG_FIPS))
+ {
+ const EVP_MD *fmd;
+ fmd = FIPS_get_digestbynid(EVP_MD_type(rctx->mgf1md));
+ if (!fmd || !(fmd->flags & EVP_MD_FLAG_FIPS))
+ return rv;
+ }
+ return 1;
+ }
+#endif
static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
const unsigned char *tbs, size_t tbslen)
RSA_PKEY_CTX *rctx = ctx->data;
RSA *rsa = ctx->pkey->pkey.rsa;
+#ifdef OPENSSL_FIPS
+ ret = pkey_fips_check_ctx(ctx);
+ if (ret < 0)
+ {
+ RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
+ return -1;
+ }
+#endif
+
if (rctx->md)
{
if (tbslen != (size_t)EVP_MD_size(rctx->md))
RSA_R_INVALID_DIGEST_LENGTH);
return -1;
}
- if (rctx->pad_mode == RSA_X931_PADDING)
+#ifdef OPENSSL_FIPS
+ if (ret > 0)
+ {
+ unsigned int slen;
+ ret = FIPS_rsa_sign_digest(rsa, tbs, tbslen, rctx->md,
+ rctx->pad_mode,
+ rctx->saltlen,
+ rctx->mgf1md,
+ sig, &slen);
+ if (ret > 0)
+ *siglen = slen;
+ else
+ *siglen = 0;
+ return ret;
+ }
+#endif
+
+ if (EVP_MD_type(rctx->md) == NID_mdc2)
+ {
+ unsigned int sltmp;
+ if (rctx->pad_mode != RSA_PKCS1_PADDING)
+ return -1;
+ ret = RSA_sign_ASN1_OCTET_STRING(NID_mdc2,
+ tbs, tbslen, sig, &sltmp, rsa);
+
+ if (ret <= 0)
+ return ret;
+ ret = sltmp;
+ }
+ else if (rctx->pad_mode == RSA_X931_PADDING)
{
if (!setup_tbuf(rctx, ctx))
return -1;
{
if (!setup_tbuf(rctx, ctx))
return -1;
- if (!RSA_padding_add_PKCS1_PSS(rsa, rctx->tbuf, tbs,
- rctx->md, rctx->saltlen))
+ if (!RSA_padding_add_PKCS1_PSS_mgf1(rsa,
+ rctx->tbuf, tbs,
+ rctx->md, rctx->mgf1md,
+ rctx->saltlen))
return -1;
ret = RSA_private_encrypt(RSA_size(rsa), rctx->tbuf,
sig, rsa, RSA_NO_PADDING);
ret = int_rsa_verify(EVP_MD_type(rctx->md),
NULL, 0, rout, &sltmp,
sig, siglen, ctx->pkey->pkey.rsa);
+ if (ret <= 0)
+ return 0;
ret = sltmp;
}
else
RSA_PKEY_CTX *rctx = ctx->data;
RSA *rsa = ctx->pkey->pkey.rsa;
size_t rslen;
+#ifdef OPENSSL_FIPS
+ int rv;
+ rv = pkey_fips_check_ctx(ctx);
+ if (rv < 0)
+ {
+ RSAerr(RSA_F_PKEY_RSA_VERIFY, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
+ return -1;
+ }
+#endif
if (rctx->md)
{
+#ifdef OPENSSL_FIPS
+ if (rv > 0)
+ {
+ return FIPS_rsa_verify_digest(rsa,
+ tbs, tbslen,
+ rctx->md,
+ rctx->pad_mode,
+ rctx->saltlen,
+ rctx->mgf1md,
+ sig, siglen);
+
+ }
+#endif
if (rctx->pad_mode == RSA_PKCS1_PADDING)
return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen,
sig, siglen, rsa);
rsa, RSA_NO_PADDING);
if (ret <= 0)
return 0;
- ret = RSA_verify_PKCS1_PSS(rsa, tbs, rctx->md,
+ ret = RSA_verify_PKCS1_PSS_mgf1(rsa, tbs,
+ rctx->md, rctx->mgf1md,
rctx->tbuf, rctx->saltlen);
if (ret <= 0)
return 0;
RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE);
return -2;
+ case EVP_PKEY_CTRL_GET_RSA_PADDING:
+ *(int *)p2 = rctx->pad_mode;
+ return 1;
+
case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
- if (p1 < -2)
- return -2;
+ case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
if (rctx->pad_mode != RSA_PKCS1_PSS_PADDING)
{
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PSS_SALTLEN);
return -2;
}
- rctx->saltlen = p1;
+ if (type == EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN)
+ *(int *)p2 = rctx->saltlen;
+ else
+ {
+ if (p1 < -2)
+ return -2;
+ rctx->saltlen = p1;
+ }
return 1;
case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
rctx->md = p2;
return 1;
+ case EVP_PKEY_CTRL_GET_MD:
+ *(const EVP_MD **)p2 = rctx->md;
+ return 1;
+
+ case EVP_PKEY_CTRL_RSA_MGF1_MD:
+ case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
+ if (rctx->pad_mode != RSA_PKCS1_PSS_PADDING)
+ {
+ RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_MGF1_MD);
+ return -2;
+ }
+ if (type == EVP_PKEY_CTRL_GET_RSA_MGF1_MD)
+ {
+ if (rctx->mgf1md)
+ *(const EVP_MD **)p2 = rctx->mgf1md;
+ else
+ *(const EVP_MD **)p2 = rctx->md;
+ }
+ else
+ rctx->mgf1md = p2;
+ return 1;
+
case EVP_PKEY_CTRL_DIGESTINIT:
case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
case EVP_PKEY_CTRL_PKCS7_DECRYPT:
case EVP_PKEY_CTRL_PKCS7_SIGN:
+ return 1;
#ifndef OPENSSL_NO_CMS
- case EVP_PKEY_CTRL_CMS_ENCRYPT:
case EVP_PKEY_CTRL_CMS_DECRYPT:
+ {
+ X509_ALGOR *alg = NULL;
+ ASN1_OBJECT *encalg = NULL;
+ if (p2)
+ CMS_RecipientInfo_ktri_get0_algs(p2, NULL, NULL, &alg);
+ if (alg)
+ X509_ALGOR_get0(&encalg, NULL, NULL, alg);
+ if (encalg && OBJ_obj2nid(encalg) == NID_rsaesOaep)
+ rctx->pad_mode = RSA_PKCS1_OAEP_PADDING;
+ }
+ case EVP_PKEY_CTRL_CMS_ENCRYPT:
case EVP_PKEY_CTRL_CMS_SIGN:
-#endif
return 1;
+#endif
case EVP_PKEY_CTRL_PEER_KEY:
RSAerr(RSA_F_PKEY_RSA_CTRL,
RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
pm = RSA_NO_PADDING;
else if (!strcmp(value, "oeap"))
pm = RSA_PKCS1_OAEP_PADDING;
+ else if (!strcmp(value, "oaep"))
+ pm = RSA_PKCS1_OAEP_PADDING;
else if (!strcmp(value, "x931"))
pm = RSA_X931_PADDING;
else if (!strcmp(value, "pss"))
projects / openssl.git / blobdiff