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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /crypto/rsa.c
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'crypto/rsa.c')
-rw-r--r--crypto/rsa.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/crypto/rsa.c b/crypto/rsa.c
index 1093e041d..77d737f52 100644
--- a/crypto/rsa.c
+++ b/crypto/rsa.c
@@ -13,6 +13,7 @@
#include <crypto/internal/rsa.h>
#include <crypto/internal/akcipher.h>
#include <crypto/akcipher.h>
+#include <crypto/algapi.h>
/*
* RSAEP function [RFC3447 sec 5.1.1]
@@ -91,12 +92,6 @@ static int rsa_enc(struct akcipher_request *req)
goto err_free_c;
}
- if (req->dst_len < mpi_get_size(pkey->n)) {
- req->dst_len = mpi_get_size(pkey->n);
- ret = -EOVERFLOW;
- goto err_free_c;
- }
-
ret = -ENOMEM;
m = mpi_read_raw_from_sgl(req->src, req->src_len);
if (!m)
@@ -136,12 +131,6 @@ static int rsa_dec(struct akcipher_request *req)
goto err_free_m;
}
- if (req->dst_len < mpi_get_size(pkey->n)) {
- req->dst_len = mpi_get_size(pkey->n);
- ret = -EOVERFLOW;
- goto err_free_m;
- }
-
ret = -ENOMEM;
c = mpi_read_raw_from_sgl(req->src, req->src_len);
if (!c)
@@ -180,12 +169,6 @@ static int rsa_sign(struct akcipher_request *req)
goto err_free_s;
}
- if (req->dst_len < mpi_get_size(pkey->n)) {
- req->dst_len = mpi_get_size(pkey->n);
- ret = -EOVERFLOW;
- goto err_free_s;
- }
-
ret = -ENOMEM;
m = mpi_read_raw_from_sgl(req->src, req->src_len);
if (!m)
@@ -225,12 +208,6 @@ static int rsa_verify(struct akcipher_request *req)
goto err_free_m;
}
- if (req->dst_len < mpi_get_size(pkey->n)) {
- req->dst_len = mpi_get_size(pkey->n);
- ret = -EOVERFLOW;
- goto err_free_m;
- }
-
ret = -ENOMEM;
s = mpi_read_raw_from_sgl(req->src, req->src_len);
if (!s) {
@@ -339,11 +316,24 @@ static struct akcipher_alg rsa = {
static int rsa_init(void)
{
- return crypto_register_akcipher(&rsa);
+ int err;
+
+ err = crypto_register_akcipher(&rsa);
+ if (err)
+ return err;
+
+ err = crypto_register_template(&rsa_pkcs1pad_tmpl);
+ if (err) {
+ crypto_unregister_akcipher(&rsa);
+ return err;
+ }
+
+ return 0;
}
static void rsa_exit(void)
{
+ crypto_unregister_template(&rsa_pkcs1pad_tmpl);
crypto_unregister_akcipher(&rsa);
}