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authorMatt Caswell <matt@openssl.org>2015-01-22 03:40:55 +0000
committerMatt Caswell <matt@openssl.org>2015-01-22 09:20:09 +0000
commit0f113f3ee4d629ef9a4a30911b22b224772085e5 (patch)
treee014603da5aed1d0751f587a66d6e270b6bda3de /crypto/rsa/rsa_pmeth.c
parent22b52164aaed31d6e93dbd2d397ace041360e6aa (diff)
Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'crypto/rsa/rsa_pmeth.c')
-rw-r--r--crypto/rsa/rsa_pmeth.c1298
1 files changed, 607 insertions, 691 deletions
diff --git a/crypto/rsa/rsa_pmeth.c b/crypto/rsa/rsa_pmeth.c
index 868be91c6c..0476bf71fe 100644
--- a/crypto/rsa/rsa_pmeth.c
+++ b/crypto/rsa/rsa_pmeth.c
@@ -1,6 +1,7 @@
/* crypto/rsa/rsa_pmeth.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
@@ -10,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -65,724 +66,639 @@
#include <openssl/evp.h>
#include <openssl/x509v3.h>
#ifndef OPENSSL_NO_CMS
-#include <openssl/cms.h>
+# include <openssl/cms.h>
#endif
#include "evp_locl.h"
#include "rsa_locl.h"
/* RSA pkey context structure */
-typedef struct
- {
- /* Key gen parameters */
- int nbits;
- BIGNUM *pub_exp;
- /* Keygen callback info */
- int gentmp[2];
- /* RSA padding mode */
- int pad_mode;
- /* message digest */
- const EVP_MD *md;
- /* message digest for MGF1 */
- const EVP_MD *mgf1md;
- /* PSS salt length */
- int saltlen;
- /* Temp buffer */
- unsigned char *tbuf;
- /* OAEP label */
- unsigned char *oaep_label;
- size_t oaep_labellen;
- } RSA_PKEY_CTX;
+typedef struct {
+ /* Key gen parameters */
+ int nbits;
+ BIGNUM *pub_exp;
+ /* Keygen callback info */
+ int gentmp[2];
+ /* RSA padding mode */
+ int pad_mode;
+ /* message digest */
+ const EVP_MD *md;
+ /* message digest for MGF1 */
+ const EVP_MD *mgf1md;
+ /* PSS salt length */
+ int saltlen;
+ /* Temp buffer */
+ unsigned char *tbuf;
+ /* OAEP label */
+ unsigned char *oaep_label;
+ size_t oaep_labellen;
+} RSA_PKEY_CTX;
static int pkey_rsa_init(EVP_PKEY_CTX *ctx)
- {
- RSA_PKEY_CTX *rctx;
- rctx = OPENSSL_malloc(sizeof(RSA_PKEY_CTX));
- if (!rctx)
- return 0;
- rctx->nbits = 1024;
- rctx->pub_exp = NULL;
- rctx->pad_mode = RSA_PKCS1_PADDING;
- rctx->md = NULL;
- rctx->mgf1md = NULL;
- rctx->tbuf = NULL;
-
- rctx->saltlen = -2;
-
- rctx->oaep_label = NULL;
- rctx->oaep_labellen = 0;
-
- ctx->data = rctx;
- ctx->keygen_info = rctx->gentmp;
- ctx->keygen_info_count = 2;
-
- return 1;
- }
+{
+ RSA_PKEY_CTX *rctx;
+ rctx = OPENSSL_malloc(sizeof(RSA_PKEY_CTX));
+ if (!rctx)
+ return 0;
+ rctx->nbits = 1024;
+ rctx->pub_exp = NULL;
+ rctx->pad_mode = RSA_PKCS1_PADDING;
+ rctx->md = NULL;
+ rctx->mgf1md = NULL;
+ rctx->tbuf = NULL;
+
+ rctx->saltlen = -2;
+
+ rctx->oaep_label = NULL;
+ rctx->oaep_labellen = 0;
+
+ ctx->data = rctx;
+ ctx->keygen_info = rctx->gentmp;
+ ctx->keygen_info_count = 2;
+
+ return 1;
+}
static int pkey_rsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- RSA_PKEY_CTX *dctx, *sctx;
- if (!pkey_rsa_init(dst))
- return 0;
- sctx = src->data;
- dctx = dst->data;
- dctx->nbits = sctx->nbits;
- if (sctx->pub_exp)
- {
- dctx->pub_exp = BN_dup(sctx->pub_exp);
- if (!dctx->pub_exp)
- return 0;
- }
- dctx->pad_mode = sctx->pad_mode;
- dctx->md = sctx->md;
- dctx->mgf1md = sctx->mgf1md;
- if (sctx->oaep_label)
- {
- if (dctx->oaep_label)
- OPENSSL_free(dctx->oaep_label);
- dctx->oaep_label = BUF_memdup(sctx->oaep_label,
- sctx->oaep_labellen);
- if (!dctx->oaep_label)
- return 0;
- dctx->oaep_labellen = sctx->oaep_labellen;
- }
- return 1;
- }
+{
+ RSA_PKEY_CTX *dctx, *sctx;
+ if (!pkey_rsa_init(dst))
+ return 0;
+ sctx = src->data;
+ dctx = dst->data;
+ dctx->nbits = sctx->nbits;
+ if (sctx->pub_exp) {
+ dctx->pub_exp = BN_dup(sctx->pub_exp);
+ if (!dctx->pub_exp)
+ return 0;
+ }
+ dctx->pad_mode = sctx->pad_mode;
+ dctx->md = sctx->md;
+ dctx->mgf1md = sctx->mgf1md;
+ if (sctx->oaep_label) {
+ if (dctx->oaep_label)
+ OPENSSL_free(dctx->oaep_label);
+ dctx->oaep_label = BUF_memdup(sctx->oaep_label, sctx->oaep_labellen);
+ if (!dctx->oaep_label)
+ return 0;
+ dctx->oaep_labellen = sctx->oaep_labellen;
+ }
+ return 1;
+}
static int setup_tbuf(RSA_PKEY_CTX *ctx, EVP_PKEY_CTX *pk)
- {
- if (ctx->tbuf)
- return 1;
- ctx->tbuf = OPENSSL_malloc(EVP_PKEY_size(pk->pkey));
- if (!ctx->tbuf)
- return 0;
- return 1;
- }
+{
+ if (ctx->tbuf)
+ return 1;
+ ctx->tbuf = OPENSSL_malloc(EVP_PKEY_size(pk->pkey));
+ if (!ctx->tbuf)
+ return 0;
+ return 1;
+}
static void pkey_rsa_cleanup(EVP_PKEY_CTX *ctx)
- {
- RSA_PKEY_CTX *rctx = ctx->data;
- if (rctx)
- {
- if (rctx->pub_exp)
- BN_free(rctx->pub_exp);
- if (rctx->tbuf)
- OPENSSL_free(rctx->tbuf);
- if (rctx->oaep_label)
- OPENSSL_free(rctx->oaep_label);
- OPENSSL_free(rctx);
- }
- }
-
-static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbslen)
- {
- int ret;
- RSA_PKEY_CTX *rctx = ctx->data;
- RSA *rsa = ctx->pkey->pkey.rsa;
-
- if (rctx->md)
- {
- if (tbslen != (size_t)EVP_MD_size(rctx->md))
- {
- RSAerr(RSA_F_PKEY_RSA_SIGN,
- RSA_R_INVALID_DIGEST_LENGTH);
- return -1;
- }
-
- 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;
- memcpy(rctx->tbuf, tbs, tbslen);
- rctx->tbuf[tbslen] =
- RSA_X931_hash_id(EVP_MD_type(rctx->md));
- ret = RSA_private_encrypt(tbslen + 1, rctx->tbuf,
- sig, rsa, RSA_X931_PADDING);
- }
- else if (rctx->pad_mode == RSA_PKCS1_PADDING)
- {
- unsigned int sltmp;
- ret = RSA_sign(EVP_MD_type(rctx->md),
- tbs, tbslen, sig, &sltmp, rsa);
- if (ret <= 0)
- return ret;
- ret = sltmp;
- }
- else if (rctx->pad_mode == RSA_PKCS1_PSS_PADDING)
- {
- if (!setup_tbuf(rctx, ctx))
- return -1;
- 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);
- }
- else
- return -1;
- }
- else
- ret = RSA_private_encrypt(tbslen, tbs, sig, ctx->pkey->pkey.rsa,
- rctx->pad_mode);
- if (ret < 0)
- return ret;
- *siglen = ret;
- return 1;
- }
-
+{
+ RSA_PKEY_CTX *rctx = ctx->data;
+ if (rctx) {
+ if (rctx->pub_exp)
+ BN_free(rctx->pub_exp);
+ if (rctx->tbuf)
+ OPENSSL_free(rctx->tbuf);
+ if (rctx->oaep_label)
+ OPENSSL_free(rctx->oaep_label);
+ OPENSSL_free(rctx);
+ }
+}
+
+static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
+ size_t *siglen, const unsigned char *tbs,
+ size_t tbslen)
+{
+ int ret;
+ RSA_PKEY_CTX *rctx = ctx->data;
+ RSA *rsa = ctx->pkey->pkey.rsa;
+
+ if (rctx->md) {
+ if (tbslen != (size_t)EVP_MD_size(rctx->md)) {
+ RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_INVALID_DIGEST_LENGTH);
+ return -1;
+ }
+
+ 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;
+ memcpy(rctx->tbuf, tbs, tbslen);
+ rctx->tbuf[tbslen] = RSA_X931_hash_id(EVP_MD_type(rctx->md));
+ ret = RSA_private_encrypt(tbslen + 1, rctx->tbuf,
+ sig, rsa, RSA_X931_PADDING);
+ } else if (rctx->pad_mode == RSA_PKCS1_PADDING) {
+ unsigned int sltmp;
+ ret = RSA_sign(EVP_MD_type(rctx->md),
+ tbs, tbslen, sig, &sltmp, rsa);
+ if (ret <= 0)
+ return ret;
+ ret = sltmp;
+ } else if (rctx->pad_mode == RSA_PKCS1_PSS_PADDING) {
+ if (!setup_tbuf(rctx, ctx))
+ return -1;
+ 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);
+ } else
+ return -1;
+ } else
+ ret = RSA_private_encrypt(tbslen, tbs, sig, ctx->pkey->pkey.rsa,
+ rctx->pad_mode);
+ if (ret < 0)
+ return ret;
+ *siglen = ret;
+ return 1;
+}
static int pkey_rsa_verifyrecover(EVP_PKEY_CTX *ctx,
- unsigned char *rout, size_t *routlen,
- const unsigned char *sig, size_t siglen)
- {
- int ret;
- RSA_PKEY_CTX *rctx = ctx->data;
-
- if (rctx->md)
- {
- if (rctx->pad_mode == RSA_X931_PADDING)
- {
- if (!setup_tbuf(rctx, ctx))
- return -1;
- ret = RSA_public_decrypt(siglen, sig,
- rctx->tbuf, ctx->pkey->pkey.rsa,
- RSA_X931_PADDING);
- if (ret < 1)
- return 0;
- ret--;
- if (rctx->tbuf[ret] !=
- RSA_X931_hash_id(EVP_MD_type(rctx->md)))
- {
- RSAerr(RSA_F_PKEY_RSA_VERIFYRECOVER,
- RSA_R_ALGORITHM_MISMATCH);
- return 0;
- }
- if (ret != EVP_MD_size(rctx->md))
- {
- RSAerr(RSA_F_PKEY_RSA_VERIFYRECOVER,
- RSA_R_INVALID_DIGEST_LENGTH);
- return 0;
- }
- if (rout)
- memcpy(rout, rctx->tbuf, ret);
- }
- else if (rctx->pad_mode == RSA_PKCS1_PADDING)
- {
- size_t sltmp;
- 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
- return -1;
- }
- else
- ret = RSA_public_decrypt(siglen, sig, rout, ctx->pkey->pkey.rsa,
- rctx->pad_mode);
- if (ret < 0)
- return ret;
- *routlen = ret;
- return 1;
- }
+ unsigned char *rout, size_t *routlen,
+ const unsigned char *sig, size_t siglen)
+{
+ int ret;
+ RSA_PKEY_CTX *rctx = ctx->data;
+
+ if (rctx->md) {
+ if (rctx->pad_mode == RSA_X931_PADDING) {
+ if (!setup_tbuf(rctx, ctx))
+ return -1;
+ ret = RSA_public_decrypt(siglen, sig,
+ rctx->tbuf, ctx->pkey->pkey.rsa,
+ RSA_X931_PADDING);
+ if (ret < 1)
+ return 0;
+ ret--;
+ if (rctx->tbuf[ret] != RSA_X931_hash_id(EVP_MD_type(rctx->md))) {
+ RSAerr(RSA_F_PKEY_RSA_VERIFYRECOVER,
+ RSA_R_ALGORITHM_MISMATCH);
+ return 0;
+ }
+ if (ret != EVP_MD_size(rctx->md)) {
+ RSAerr(RSA_F_PKEY_RSA_VERIFYRECOVER,
+ RSA_R_INVALID_DIGEST_LENGTH);
+ return 0;
+ }
+ if (rout)
+ memcpy(rout, rctx->tbuf, ret);
+ } else if (rctx->pad_mode == RSA_PKCS1_PADDING) {
+ size_t sltmp;
+ 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
+ return -1;
+ } else
+ ret = RSA_public_decrypt(siglen, sig, rout, ctx->pkey->pkey.rsa,
+ rctx->pad_mode);
+ if (ret < 0)
+ return ret;
+ *routlen = ret;
+ return 1;
+}
static int pkey_rsa_verify(EVP_PKEY_CTX *ctx,
- const 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;
- size_t rslen;
- if (rctx->md)
- {
- if (rctx->pad_mode == RSA_PKCS1_PADDING)
- return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen,
- sig, siglen, rsa);
- if (rctx->pad_mode == RSA_X931_PADDING)
- {
- if (pkey_rsa_verifyrecover(ctx, NULL, &rslen,
- sig, siglen) <= 0)
- return 0;
- }
- else if (rctx->pad_mode == RSA_PKCS1_PSS_PADDING)
- {
- int ret;
- if (!setup_tbuf(rctx, ctx))
- return -1;
- ret = RSA_public_decrypt(siglen, sig, rctx->tbuf,
- rsa, RSA_NO_PADDING);
- if (ret <= 0)
- return 0;
- ret = RSA_verify_PKCS1_PSS_mgf1(rsa, tbs,
- rctx->md, rctx->mgf1md,
- rctx->tbuf, rctx->saltlen);
- if (ret <= 0)
- return 0;
- return 1;
- }
- else
- return -1;
- }
- else
- {
- if (!setup_tbuf(rctx, ctx))
- return -1;
- rslen = RSA_public_decrypt(siglen, sig, rctx->tbuf,
- rsa, rctx->pad_mode);
- if (rslen == 0)
- return 0;
- }
-
- if ((rslen != tbslen) || memcmp(tbs, rctx->tbuf, rslen))
- return 0;
-
- return 1;
-
- }
+ const 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;
+ size_t rslen;
+ if (rctx->md) {
+ if (rctx->pad_mode == RSA_PKCS1_PADDING)
+ return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen,
+ sig, siglen, rsa);
+ if (rctx->pad_mode == RSA_X931_PADDING) {
+ if (pkey_rsa_verifyrecover(ctx, NULL, &rslen, sig, siglen) <= 0)
+ return 0;
+ } else if (rctx->pad_mode == RSA_PKCS1_PSS_PADDING) {
+ int ret;
+ if (!setup_tbuf(rctx, ctx))
+ return -1;
+ ret = RSA_public_decrypt(siglen, sig, rctx->tbuf,
+ rsa, RSA_NO_PADDING);
+ if (ret <= 0)
+ return 0;
+ ret = RSA_verify_PKCS1_PSS_mgf1(rsa, tbs,
+ rctx->md, rctx->mgf1md,
+ rctx->tbuf, rctx->saltlen);
+ if (ret <= 0)
+ return 0;
+ return 1;
+ } else
+ return -1;
+ } else {
+ if (!setup_tbuf(rctx, ctx))
+ return -1;
+ rslen = RSA_public_decrypt(siglen, sig, rctx->tbuf,
+ rsa, rctx->pad_mode);
+ if (rslen == 0)
+ return 0;
+ }
+
+ if ((rslen != tbslen) || memcmp(tbs, rctx->tbuf, rslen))
+ return 0;
+
+ return 1;
+
+}
static int pkey_rsa_encrypt(EVP_PKEY_CTX *ctx,
- unsigned char *out, size_t *outlen,
- const unsigned char *in, size_t inlen)
- {
- int ret;
- RSA_PKEY_CTX *rctx = ctx->data;
- if (rctx->pad_mode == RSA_PKCS1_OAEP_PADDING)
- {
- int klen = RSA_size(ctx->pkey->pkey.rsa);
- if (!setup_tbuf(rctx, ctx))
- return -1;
- if (!RSA_padding_add_PKCS1_OAEP_mgf1(rctx->tbuf, klen,
- in, inlen,
- rctx->oaep_label,
- rctx->oaep_labellen,
- rctx->md, rctx->mgf1md))
- return -1;
- ret = RSA_public_encrypt(klen, rctx->tbuf, out,
- ctx->pkey->pkey.rsa,
- RSA_NO_PADDING);
- }
- else
- ret = RSA_public_encrypt(inlen, in, out, ctx->pkey->pkey.rsa,
- rctx->pad_mode);
- if (ret < 0)
- return ret;
- *outlen = ret;
- return 1;
- }
+ unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen)
+{
+ int ret;
+ RSA_PKEY_CTX *rctx = ctx->data;
+ if (rctx->pad_mode == RSA_PKCS1_OAEP_PADDING) {
+ int klen = RSA_size(ctx->pkey->pkey.rsa);
+ if (!setup_tbuf(rctx, ctx))
+ return -1;
+ if (!RSA_padding_add_PKCS1_OAEP_mgf1(rctx->tbuf, klen,
+ in, inlen,
+ rctx->oaep_label,
+ rctx->oaep_labellen,
+ rctx->md, rctx->mgf1md))
+ return -1;
+ ret = RSA_public_encrypt(klen, rctx->tbuf, out,
+ ctx->pkey->pkey.rsa, RSA_NO_PADDING);
+ } else
+ ret = RSA_public_encrypt(inlen, in, out, ctx->pkey->pkey.rsa,
+ rctx->pad_mode);
+ if (ret < 0)
+ return ret;
+ *outlen = ret;
+ return 1;
+}
static int pkey_rsa_decrypt(EVP_PKEY_CTX *ctx,
- unsigned char *out, size_t *outlen,
- const unsigned char *in, size_t inlen)
- {
- int ret;
- RSA_PKEY_CTX *rctx = ctx->data;
- if (rctx->pad_mode == RSA_PKCS1_OAEP_PADDING)
- {
- int i;
- if (!setup_tbuf(rctx, ctx))
- return -1;
- ret = RSA_private_decrypt(inlen, in, rctx->tbuf,
- ctx->pkey->pkey.rsa,
- RSA_NO_PADDING);
- if (ret <= 0)
- return ret;
- for (i = 0; i < ret; i++)
- {
- if (rctx->tbuf[i])
- break;
- }
- ret = RSA_padding_check_PKCS1_OAEP_mgf1(out,ret,rctx->tbuf + i,
- ret - i, ret,
- rctx->oaep_label,
- rctx->oaep_labellen,
- rctx->md, rctx->mgf1md);
- }
- else
- ret = RSA_private_decrypt(inlen, in, out, ctx->pkey->pkey.rsa,
- rctx->pad_mode);
- if (ret < 0)
- return ret;
- *outlen = ret;
- return 1;
- }
+ unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen)
+{
+ int ret;
+ RSA_PKEY_CTX *rctx = ctx->data;
+ if (rctx->pad_mode == RSA_PKCS1_OAEP_PADDING) {
+ int i;
+ if (!setup_tbuf(rctx, ctx))
+ return -1;
+ ret = RSA_private_decrypt(inlen, in, rctx->tbuf,
+ ctx->pkey->pkey.rsa, RSA_NO_PADDING);
+ if (ret <= 0)
+ return ret;
+ for (i = 0; i < ret; i++) {
+ if (rctx->tbuf[i])
+ break;
+ }
+ ret = RSA_padding_check_PKCS1_OAEP_mgf1(out, ret, rctx->tbuf + i,
+ ret - i, ret,
+ rctx->oaep_label,
+ rctx->oaep_labellen,
+ rctx->md, rctx->mgf1md);
+ } else
+ ret = RSA_private_decrypt(inlen, in, out, ctx->pkey->pkey.rsa,
+ rctx->pad_mode);
+ if (ret < 0)
+ return ret;
+ *outlen = ret;
+ return 1;
+}
static int check_padding_md(const EVP_MD *md, int padding)
- {
- if (!md)
- return 1;
-
- if (padding == RSA_NO_PADDING)
- {
- RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_PADDING_MODE);
- return 0;
- }
-
- if (padding == RSA_X931_PADDING)
- {
- if (RSA_X931_hash_id(EVP_MD_type(md)) == -1)
- {
- RSAerr(RSA_F_CHECK_PADDING_MD,
- RSA_R_INVALID_X931_DIGEST);
- return 0;
- }
- return 1;
- }
-
- return 1;
- }
-
+{
+ if (!md)
+ return 1;
+
+ if (padding == RSA_NO_PADDING) {
+ RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_PADDING_MODE);
+ return 0;
+ }
+
+ if (padding == RSA_X931_PADDING) {
+ if (RSA_X931_hash_id(EVP_MD_type(md)) == -1) {
+ RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_X931_DIGEST);
+ return 0;
+ }
+ return 1;
+ }
+
+ return 1;
+}
static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- RSA_PKEY_CTX *rctx = ctx->data;
- switch (type)
- {
- case EVP_PKEY_CTRL_RSA_PADDING:
- if ((p1 >= RSA_PKCS1_PADDING) && (p1 <= RSA_PKCS1_PSS_PADDING))
- {
- if (!check_padding_md(rctx->md, p1))
- return 0;
- if (p1 == RSA_PKCS1_PSS_PADDING)
- {
- if (!(ctx->operation &
- (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY)))
- goto bad_pad;
- if (!rctx->md)
- rctx->md = EVP_sha1();
- }
- if (p1 == RSA_PKCS1_OAEP_PADDING)
- {
- if (!(ctx->operation & EVP_PKEY_OP_TYPE_CRYPT))
- goto bad_pad;
- if (!rctx->md)
- rctx->md = EVP_sha1();
- }
- rctx->pad_mode = p1;
- return 1;
- }
- bad_pad:
- RSAerr(RSA_F_PKEY_RSA_CTRL,
- 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:
- 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;
- }
- 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:
- if (p1 < 512)
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_KEY_SIZE_TOO_SMALL);
- return -2;
- }
- rctx->nbits = p1;
- return 1;
-
- case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
- if (!p2)
- return -2;
- BN_free(rctx->pub_exp);
- rctx->pub_exp = p2;
- return 1;
-
- case EVP_PKEY_CTRL_RSA_OAEP_MD:
- case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
- if (rctx->pad_mode != RSA_PKCS1_OAEP_PADDING)
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
- return -2;
- }
- if (type == EVP_PKEY_CTRL_GET_RSA_OAEP_MD)
- *(const EVP_MD **)p2 = rctx->md;
- else
- rctx->md = p2;
- return 1;
-
- case EVP_PKEY_CTRL_MD:
- if (!check_padding_md(p2, rctx->pad_mode))
- return 0;
- 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
- && rctx->pad_mode != RSA_PKCS1_OAEP_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_RSA_OAEP_LABEL:
- if (rctx->pad_mode != RSA_PKCS1_OAEP_PADDING)
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
- return -2;
- }
- if (rctx->oaep_label)
- OPENSSL_free(rctx->oaep_label);
- if (p2 && p1 > 0)
- {
- rctx->oaep_label = p2;
- rctx->oaep_labellen = p1;
- }
- else
- {
- rctx->oaep_label = NULL;
- rctx->oaep_labellen = 0;
- }
- return 1;
-
- case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
- if (rctx->pad_mode != RSA_PKCS1_OAEP_PADDING)
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
- return -2;
- }
- *(unsigned char **)p2 = rctx->oaep_label;
- return rctx->oaep_labellen;
-
- 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;
+{
+ RSA_PKEY_CTX *rctx = ctx->data;
+ switch (type) {
+ case EVP_PKEY_CTRL_RSA_PADDING:
+ if ((p1 >= RSA_PKCS1_PADDING) && (p1 <= RSA_PKCS1_PSS_PADDING)) {
+ if (!check_padding_md(rctx->md, p1))
+ return 0;
+ if (p1 == RSA_PKCS1_PSS_PADDING) {
+ if (!(ctx->operation &
+ (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY)))
+ goto bad_pad;
+ if (!rctx->md)
+ rctx->md = EVP_sha1();
+ }
+ if (p1 == RSA_PKCS1_OAEP_PADDING) {
+ if (!(ctx->operation & EVP_PKEY_OP_TYPE_CRYPT))
+ goto bad_pad;
+ if (!rctx->md)
+ rctx->md = EVP_sha1();
+ }
+ rctx->pad_mode = p1;
+ return 1;
+ }
+ bad_pad:
+ RSAerr(RSA_F_PKEY_RSA_CTRL,
+ 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:
+ 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;
+ }
+ 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:
+ if (p1 < 512) {
+ RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_KEY_SIZE_TOO_SMALL);
+ return -2;
+ }
+ rctx->nbits = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
+ if (!p2)
+ return -2;
+ BN_free(rctx->pub_exp);
+ rctx->pub_exp = p2;
+ return 1;
+
+ case EVP_PKEY_CTRL_RSA_OAEP_MD:
+ case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
+ if (rctx->pad_mode != RSA_PKCS1_OAEP_PADDING) {
+ RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
+ return -2;
+ }
+ if (type == EVP_PKEY_CTRL_GET_RSA_OAEP_MD)
+ *(const EVP_MD **)p2 = rctx->md;
+ else
+ rctx->md = p2;
+ return 1;
+
+ case EVP_PKEY_CTRL_MD:
+ if (!check_padding_md(p2, rctx->pad_mode))
+ return 0;
+ 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
+ && rctx->pad_mode != RSA_PKCS1_OAEP_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_RSA_OAEP_LABEL:
+ if (rctx->pad_mode != RSA_PKCS1_OAEP_PADDING) {
+ RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
+ return -2;
+ }
+ if (rctx->oaep_label)
+ OPENSSL_free(rctx->oaep_label);
+ if (p2 && p1 > 0) {
+ rctx->oaep_label = p2;
+ rctx->oaep_labellen = p1;
+ } else {
+ rctx->oaep_label = NULL;
+ rctx->oaep_labellen = 0;
+ }
+ return 1;
+
+ case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
+ if (rctx->pad_mode != RSA_PKCS1_OAEP_PADDING) {
+ RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
+ return -2;
+ }
+ *(unsigned char **)p2 = rctx->oaep_label;
+ return rctx->oaep_labellen;
+
+ 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_DECRYPT:
- case EVP_PKEY_CTRL_CMS_ENCRYPT:
- case EVP_PKEY_CTRL_CMS_SIGN:
- return 1;
+ case EVP_PKEY_CTRL_CMS_DECRYPT:
+ case EVP_PKEY_CTRL_CMS_ENCRYPT:
+ case EVP_PKEY_CTRL_CMS_SIGN:
+ return 1;
#endif
- case EVP_PKEY_CTRL_PEER_KEY:
- RSAerr(RSA_F_PKEY_RSA_CTRL,
- RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
+ case EVP_PKEY_CTRL_PEER_KEY:
+ RSAerr(RSA_F_PKEY_RSA_CTRL,
+ RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+
+ default:
+ return -2;
- default:
- return -2;
+ }
+}
- }
- }
-
static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if (!value)
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_VALUE_MISSING);
- return 0;
- }
- if (!strcmp(type, "rsa_padding_mode"))
- {
- int pm;
- if (!strcmp(value, "pkcs1"))
- pm = RSA_PKCS1_PADDING;
- else if (!strcmp(value, "sslv23"))
- pm = RSA_SSLV23_PADDING;
- else if (!strcmp(value, "none"))
- 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"))
- pm = RSA_PKCS1_PSS_PADDING;
- else
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL_STR,
- RSA_R_UNKNOWN_PADDING_TYPE);
- return -2;
- }
- return EVP_PKEY_CTX_set_rsa_padding(ctx, pm);
- }
-
- if (!strcmp(type, "rsa_pss_saltlen"))
- {
- int saltlen;
- saltlen = atoi(value);
- return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, saltlen);
- }
-
- if (!strcmp(type, "rsa_keygen_bits"))
- {
- int nbits;
- nbits = atoi(value);
- return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, nbits);
- }
-
- if (!strcmp(type, "rsa_keygen_pubexp"))
- {
- int ret;
- BIGNUM *pubexp = NULL;
- if (!BN_asc2bn(&pubexp, value))
- return 0;
- ret = EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp);
- if (ret <= 0)
- BN_free(pubexp);
- return ret;
- }
-
- if (!strcmp(type, "rsa_mgf1_md"))
- {
- const EVP_MD *md;
- if (!(md = EVP_get_digestbyname(value)))
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL_STR,
- RSA_R_INVALID_DIGEST);
- return 0;
- }
- return EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md);
- }
-
- if (!strcmp(type, "rsa_oaep_md"))
- {
- const EVP_MD *md;
- if (!(md = EVP_get_digestbyname(value)))
- {
- RSAerr(RSA_F_PKEY_RSA_CTRL_STR,
- RSA_R_INVALID_DIGEST);
- return 0;
- }
- return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md);
- }
- if (!strcmp(type, "rsa_oaep_label"))
- {
- unsigned char *lab;
- long lablen;
- int ret;
- lab = string_to_hex(value, &lablen);
- if (!lab)
- return 0;
- ret = EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, lab, lablen);
- if (ret <= 0)
- OPENSSL_free(lab);
- return ret;
- }
-
- return -2;
- }
+ const char *type, const char *value)
+{
+ if (!value) {
+