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Add RSA ctrl for padding mode, add ctrl support in pkeyutl.

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This commit is contained in:
Dr. Stephen Henson 2006-04-09 12:42:09 +00:00
parent a2318e86bd
commit 4a3dc3c0e3
7 changed files with 83 additions and 6 deletions
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4
apps/apps.c
View File

@ -2304,11 +2304,11 @@ int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
return ret;
}
int pkey_ctrl_string(BIO *err, EVP_PKEY_CTX *ctx, char *value)
int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
{
int rv;
char *stmp, *vtmp = NULL;
stmp = BUF_strdup(value);
int rv;
if (!stmp)
return -1;
vtmp = strchr(stmp, ':');

1
apps/apps.h
View File

@ -286,6 +286,7 @@ int args_verify(char ***pargs, int *pargc,
int *badarg, BIO *err, X509_VERIFY_PARAM **pm);
void policies_print(BIO *out, X509_STORE_CTX *ctx);
int bio_to_mem(unsigned char **out, int maxlen, BIO *in);
int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value);
#define FORMAT_UNDEF 0
#define FORMAT_ASN1 1

23
apps/pkeyutl.c
View File

@ -154,8 +154,10 @@ int MAIN(int argc, char **argv)
#ifndef OPENSSL_NO_ENGINE
else if(!strcmp(*argv, "-engine"))
{
if (--argc < 1) badarg = 1;
engine = *(++argv);
if (--argc < 1)
badarg = 1;
else
engine = *(++argv);
}
#endif
else if(!strcmp(*argv, "-pubin"))
@ -178,6 +180,23 @@ int MAIN(int argc, char **argv)
pkey_op = EVP_PKEY_OP_ENCRYPT;
else if(!strcmp(*argv, "-decrypt"))
pkey_op = EVP_PKEY_OP_DECRYPT;
else if (strcmp(*argv,"-param") == 0)
{
if (--argc < 1)
badarg = 1;
if (!ctx)
{
BIO_puts(bio_err,
"-param command before -inkey\n");
badarg = 1;
}
else if (pkey_ctrl_string(ctx, *(++argv)) <= 0)
{
BIO_puts(bio_err, "parameter setting error\n");
ERR_print_errors(bio_err);
goto end;
}
}
else badarg = 1;
if(badarg)
{

3
crypto/evp/evp.h
View File

@ -917,8 +917,11 @@ void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e);
EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey);
void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
int cmd, int p1, void *p2);
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
const char *value);
int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);

3
crypto/evp/pmeth_lib.c
View File

@ -171,7 +171,8 @@ int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
}
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, char *name, char *value)
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
const char *name, const char *value)
{
if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl)
{

6
crypto/rsa/rsa.h
View File

@ -192,6 +192,12 @@ struct rsa_st
* be used for all exponents.
*/
#define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_CTRL_RSA_PADDING, \
pad, NULL)
#define EVP_PKEY_CTRL_RSA_PADDING 1
#define RSA_PKCS1_PADDING 1
#define RSA_SSLV23_PADDING 2
#define RSA_NO_PADDING 3

49
crypto/rsa/rsa_pmeth.c
View File

@ -151,6 +151,52 @@ static int pkey_rsa_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
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:
/* TODO: add PSS support */
if ((p1 >= RSA_PKCS1_PADDING) && (p1 <= RSA_X931_PADDING))
{
rctx->pad_mode = p1;
return 1;
}
return 0;
default:
return -2;
}
}
static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
{
if (!strcmp(type, "rsa_padding_mode"))
{
int pm;
if (!value)
return 0;
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, "x931"))
pm = RSA_X931_PADDING;
else
return -2;
return pkey_rsa_ctrl(ctx, EVP_PKEY_CTRL_RSA_PADDING, pm, NULL);
}
return -2;
}
const EVP_PKEY_METHOD rsa_pkey_meth =
{
EVP_PKEY_RSA,
@ -179,7 +225,8 @@ const EVP_PKEY_METHOD rsa_pkey_meth =
0,
pkey_rsa_decrypt,
0,0
pkey_rsa_ctrl,
pkey_rsa_ctrl_str
};