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-rw-r--r--arch/s390/crypto/Makefile8
-rw-r--r--arch/s390/crypto/aes_s390.c248
-rw-r--r--arch/s390/crypto/crypt_s390.h (renamed from arch/s390/crypto/crypt_z990.h)267
-rw-r--r--arch/s390/crypto/crypt_s390_query.c129
-rw-r--r--arch/s390/crypto/crypt_z990_query.c111
-rw-r--r--arch/s390/crypto/des_s390.c (renamed from arch/s390/crypto/des_z990.c)54
-rw-r--r--arch/s390/crypto/sha1_s390.c (renamed from arch/s390/crypto/sha1_z990.c)32
-rw-r--r--arch/s390/crypto/sha256_s390.c151
8 files changed, 721 insertions, 279 deletions
diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile
index 96a05e6b51e..bfe2541dc5c 100644
--- a/arch/s390/crypto/Makefile
+++ b/arch/s390/crypto/Makefile
@@ -2,7 +2,9 @@
# Cryptographic API
#
-obj-$(CONFIG_CRYPTO_SHA1_Z990) += sha1_z990.o
-obj-$(CONFIG_CRYPTO_DES_Z990) += des_z990.o des_check_key.o
+obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o
+obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o
+obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o des_check_key.o
+obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o
-obj-$(CONFIG_CRYPTO_TEST) += crypt_z990_query.o
+obj-$(CONFIG_CRYPTO_TEST) += crypt_s390_query.o
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
new file mode 100644
index 00000000000..7a1033d8e00
--- /dev/null
+++ b/arch/s390/crypto/aes_s390.c
@@ -0,0 +1,248 @@
+/*
+ * Cryptographic API.
+ *
+ * s390 implementation of the AES Cipher Algorithm.
+ *
+ * s390 Version:
+ * Copyright (C) 2005 IBM Deutschland GmbH, IBM Corporation
+ * Author(s): Jan Glauber (jang@de.ibm.com)
+ *
+ * Derived from "crypto/aes.c"
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/crypto.h>
+#include "crypt_s390.h"
+
+#define AES_MIN_KEY_SIZE 16
+#define AES_MAX_KEY_SIZE 32
+
+/* data block size for all key lengths */
+#define AES_BLOCK_SIZE 16
+
+int has_aes_128 = 0;
+int has_aes_192 = 0;
+int has_aes_256 = 0;
+
+struct s390_aes_ctx {
+ u8 iv[AES_BLOCK_SIZE];
+ u8 key[AES_MAX_KEY_SIZE];
+ int key_len;
+};
+
+static int aes_set_key(void *ctx, const u8 *in_key, unsigned int key_len,
+ u32 *flags)
+{
+ struct s390_aes_ctx *sctx = ctx;
+
+ switch (key_len) {
+ case 16:
+ if (!has_aes_128)
+ goto fail;
+ break;
+ case 24:
+ if (!has_aes_192)
+ goto fail;
+
+ break;
+ case 32:
+ if (!has_aes_256)
+ goto fail;
+ break;
+ default:
+ /* invalid key length */
+ goto fail;
+ break;
+ }
+
+ sctx->key_len = key_len;
+ memcpy(sctx->key, in_key, key_len);
+ return 0;
+fail:
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+ return -EINVAL;
+}
+
+static void aes_encrypt(void *ctx, u8 *out, const u8 *in)
+{
+ const struct s390_aes_ctx *sctx = ctx;
+
+ switch (sctx->key_len) {
+ case 16:
+ crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in,
+ AES_BLOCK_SIZE);
+ break;
+ case 24:
+ crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in,
+ AES_BLOCK_SIZE);
+ break;
+ case 32:
+ crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in,
+ AES_BLOCK_SIZE);
+ break;
+ }
+}
+
+static void aes_decrypt(void *ctx, u8 *out, const u8 *in)
+{
+ const struct s390_aes_ctx *sctx = ctx;
+
+ switch (sctx->key_len) {
+ case 16:
+ crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in,
+ AES_BLOCK_SIZE);
+ break;
+ case 24:
+ crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in,
+ AES_BLOCK_SIZE);
+ break;
+ case 32:
+ crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in,
+ AES_BLOCK_SIZE);
+ break;
+ }
+}
+
+static unsigned int aes_encrypt_ecb(const struct cipher_desc *desc, u8 *out,
+ const u8 *in, unsigned int nbytes)
+{
+ struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm);
+
+ switch (sctx->key_len) {
+ case 16:
+ crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, nbytes);
+ break;
+ case 24:
+ crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, nbytes);
+ break;
+ case 32:
+ crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, nbytes);
+ break;
+ }
+ return nbytes & ~(AES_BLOCK_SIZE - 1);
+}
+
+static unsigned int aes_decrypt_ecb(const struct cipher_desc *desc, u8 *out,
+ const u8 *in, unsigned int nbytes)
+{
+ struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm);
+
+ switch (sctx->key_len) {
+ case 16:
+ crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, nbytes);
+ break;
+ case 24:
+ crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, nbytes);
+ break;
+ case 32:
+ crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, nbytes);
+ break;
+ }
+ return nbytes & ~(AES_BLOCK_SIZE - 1);
+}
+
+static unsigned int aes_encrypt_cbc(const struct cipher_desc *desc, u8 *out,
+ const u8 *in, unsigned int nbytes)
+{
+ struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm);
+
+ memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE);
+ switch (sctx->key_len) {
+ case 16:
+ crypt_s390_kmc(KMC_AES_128_ENCRYPT, &sctx->iv, out, in, nbytes);
+ break;
+ case 24:
+ crypt_s390_kmc(KMC_AES_192_ENCRYPT, &sctx->iv, out, in, nbytes);
+ break;
+ case 32:
+ crypt_s390_kmc(KMC_AES_256_ENCRYPT, &sctx->iv, out, in, nbytes);
+ break;
+ }
+ memcpy(desc->info, &sctx->iv, AES_BLOCK_SIZE);
+
+ return nbytes & ~(AES_BLOCK_SIZE - 1);
+}
+
+static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out,
+ const u8 *in, unsigned int nbytes)
+{
+ struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm);
+
+ memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE);
+ switch (sctx->key_len) {
+ case 16:
+ crypt_s390_kmc(KMC_AES_128_DECRYPT, &sctx->iv, out, in, nbytes);
+ break;
+ case 24:
+ crypt_s390_kmc(KMC_AES_192_DECRYPT, &sctx->iv, out, in, nbytes);
+ break;
+ case 32:
+ crypt_s390_kmc(KMC_AES_256_DECRYPT, &sctx->iv, out, in, nbytes);
+ break;
+ }
+ return nbytes & ~(AES_BLOCK_SIZE - 1);
+}
+
+
+static struct crypto_alg aes_alg = {
+ .cra_name = "aes",
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct s390_aes_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(aes_alg.cra_list),
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = AES_MIN_KEY_SIZE,
+ .cia_max_keysize = AES_MAX_KEY_SIZE,
+ .cia_setkey = aes_set_key,
+ .cia_encrypt = aes_encrypt,
+ .cia_decrypt = aes_decrypt,
+ .cia_encrypt_ecb = aes_encrypt_ecb,
+ .cia_decrypt_ecb = aes_decrypt_ecb,
+ .cia_encrypt_cbc = aes_encrypt_cbc,
+ .cia_decrypt_cbc = aes_decrypt_cbc,
+ }
+ }
+};
+
+static int __init aes_init(void)
+{
+ int ret;
+
+ if (crypt_s390_func_available(KM_AES_128_ENCRYPT))
+ has_aes_128 = 1;
+ if (crypt_s390_func_available(KM_AES_192_ENCRYPT))
+ has_aes_192 = 1;
+ if (crypt_s390_func_available(KM_AES_256_ENCRYPT))
+ has_aes_256 = 1;
+
+ if (!has_aes_128 && !has_aes_192 && !has_aes_256)
+ return -ENOSYS;
+
+ ret = crypto_register_alg(&aes_alg);
+ if (ret != 0)
+ printk(KERN_INFO "crypt_s390: aes_s390 couldn't be loaded.\n");
+ return ret;
+}
+
+static void __exit aes_fini(void)
+{
+ crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_ALIAS("aes");
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
+MODULE_LICENSE("GPL");
+
diff --git a/arch/s390/crypto/crypt_z990.h b/arch/s390/crypto/crypt_s390.h
index 4df660b99e5..d1c259a7fe3 100644
--- a/arch/s390/crypto/crypt_z990.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -1,7 +1,7 @@
/*
* Cryptographic API.
*
- * Support for z990 cryptographic instructions.
+ * Support for s390 cryptographic instructions.
*
* Copyright (C) 2003 IBM Deutschland GmbH, IBM Corporation
* Author(s): Thomas Spatzier (tspat@de.ibm.com)
@@ -12,84 +12,108 @@
* any later version.
*
*/
-#ifndef _CRYPTO_ARCH_S390_CRYPT_Z990_H
-#define _CRYPTO_ARCH_S390_CRYPT_Z990_H
+#ifndef _CRYPTO_ARCH_S390_CRYPT_S390_H
+#define _CRYPTO_ARCH_S390_CRYPT_S390_H
#include <asm/errno.h>
-#define CRYPT_Z990_OP_MASK 0xFF00
-#define CRYPT_Z990_FUNC_MASK 0x00FF
+#define CRYPT_S390_OP_MASK 0xFF00
+#define CRYPT_S390_FUNC_MASK 0x00FF
-
-/*z990 cryptographic operations*/
-enum crypt_z990_operations {
- CRYPT_Z990_KM = 0x0100,
- CRYPT_Z990_KMC = 0x0200,
- CRYPT_Z990_KIMD = 0x0300,
- CRYPT_Z990_KLMD = 0x0400,
- CRYPT_Z990_KMAC = 0x0500
+/* s930 cryptographic operations */
+enum crypt_s390_operations {
+ CRYPT_S390_KM = 0x0100,
+ CRYPT_S390_KMC = 0x0200,
+ CRYPT_S390_KIMD = 0x0300,
+ CRYPT_S390_KLMD = 0x0400,
+ CRYPT_S390_KMAC = 0x0500
};
-/*function codes for KM (CIPHER MESSAGE) instruction*/
-enum crypt_z990_km_func {
- KM_QUERY = CRYPT_Z990_KM | 0,
- KM_DEA_ENCRYPT = CRYPT_Z990_KM | 1,
- KM_DEA_DECRYPT = CRYPT_Z990_KM | 1 | 0x80, //modifier bit->decipher
- KM_TDEA_128_ENCRYPT = CRYPT_Z990_KM | 2,
- KM_TDEA_128_DECRYPT = CRYPT_Z990_KM | 2 | 0x80,
- KM_TDEA_192_ENCRYPT = CRYPT_Z990_KM | 3,
- KM_TDEA_192_DECRYPT = CRYPT_Z990_KM | 3 | 0x80,
+/* function codes for KM (CIPHER MESSAGE) instruction
+ * 0x80 is the decipher modifier bit
+ */
+enum crypt_s390_km_func {
+ KM_QUERY = CRYPT_S390_KM | 0x0,
+ KM_DEA_ENCRYPT = CRYPT_S390_KM | 0x1,
+ KM_DEA_DECRYPT = CRYPT_S390_KM | 0x1 | 0x80,
+ KM_TDEA_128_ENCRYPT = CRYPT_S390_KM | 0x2,
+ KM_TDEA_128_DECRYPT = CRYPT_S390_KM | 0x2 | 0x80,
+ KM_TDEA_192_ENCRYPT = CRYPT_S390_KM | 0x3,
+ KM_TDEA_192_DECRYPT = CRYPT_S390_KM | 0x3 | 0x80,
+ KM_AES_128_ENCRYPT = CRYPT_S390_KM | 0x12,
+ KM_AES_128_DECRYPT = CRYPT_S390_KM | 0x12 | 0x80,
+ KM_AES_192_ENCRYPT = CRYPT_S390_KM | 0x13,
+ KM_AES_192_DECRYPT = CRYPT_S390_KM | 0x13 | 0x80,
+ KM_AES_256_ENCRYPT = CRYPT_S390_KM | 0x14,
+ KM_AES_256_DECRYPT = CRYPT_S390_KM | 0x14 | 0x80,
};
-/*function codes for KMC (CIPHER MESSAGE WITH CHAINING) instruction*/
-enum crypt_z990_kmc_func {
- KMC_QUERY = CRYPT_Z990_KMC | 0,
- KMC_DEA_ENCRYPT = CRYPT_Z990_KMC | 1,
- KMC_DEA_DECRYPT = CRYPT_Z990_KMC | 1 | 0x80, //modifier bit->decipher
- KMC_TDEA_128_ENCRYPT = CRYPT_Z990_KMC | 2,
- KMC_TDEA_128_DECRYPT = CRYPT_Z990_KMC | 2 | 0x80,
- KMC_TDEA_192_ENCRYPT = CRYPT_Z990_KMC | 3,
- KMC_TDEA_192_DECRYPT = CRYPT_Z990_KMC | 3 | 0x80,
+/* function codes for KMC (CIPHER MESSAGE WITH CHAINING)
+ * instruction
+ */
+enum crypt_s390_kmc_func {
+ KMC_QUERY = CRYPT_S390_KMC | 0x0,
+ KMC_DEA_ENCRYPT = CRYPT_S390_KMC | 0x1,
+ KMC_DEA_DECRYPT = CRYPT_S390_KMC | 0x1 | 0x80,
+ KMC_TDEA_128_ENCRYPT = CRYPT_S390_KMC | 0x2,
+ KMC_TDEA_128_DECRYPT = CRYPT_S390_KMC | 0x2 | 0x80,
+ KMC_TDEA_192_ENCRYPT = CRYPT_S390_KMC | 0x3,
+ KMC_TDEA_192_DECRYPT = CRYPT_S390_KMC | 0x3 | 0x80,
+ KMC_AES_128_ENCRYPT = CRYPT_S390_KMC | 0x12,
+ KMC_AES_128_DECRYPT = CRYPT_S390_KMC | 0x12 | 0x80,
+ KMC_AES_192_ENCRYPT = CRYPT_S390_KMC | 0x13,
+ KMC_AES_192_DECRYPT = CRYPT_S390_KMC | 0x13 | 0x80,
+ KMC_AES_256_ENCRYPT = CRYPT_S390_KMC | 0x14,
+ KMC_AES_256_DECRYPT = CRYPT_S390_KMC | 0x14 | 0x80,
};
-/*function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) instruction*/
-enum crypt_z990_kimd_func {
- KIMD_QUERY = CRYPT_Z990_KIMD | 0,
- KIMD_SHA_1 = CRYPT_Z990_KIMD | 1,
+/* function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
+ * instruction
+ */
+enum crypt_s390_kimd_func {
+ KIMD_QUERY = CRYPT_S390_KIMD | 0,
+ KIMD_SHA_1 = CRYPT_S390_KIMD | 1,
+ KIMD_SHA_256 = CRYPT_S390_KIMD | 2,
};
-/*function codes for KLMD (COMPUTE LAST MESSAGE DIGEST) instruction*/
-enum crypt_z990_klmd_func {
- KLMD_QUERY = CRYPT_Z990_KLMD | 0,
- KLMD_SHA_1 = CRYPT_Z990_KLMD | 1,
+/* function codes for KLMD (COMPUTE LAST MESSAGE DIGEST)
+ * instruction
+ */
+enum crypt_s390_klmd_func {
+ KLMD_QUERY = CRYPT_S390_KLMD | 0,
+ KLMD_SHA_1 = CRYPT_S390_KLMD | 1,
+ KLMD_SHA_256 = CRYPT_S390_KLMD | 2,
};
-/*function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) instruction*/
-enum crypt_z990_kmac_func {
- KMAC_QUERY = CRYPT_Z990_KMAC | 0,
- KMAC_DEA = CRYPT_Z990_KMAC | 1,
- KMAC_TDEA_128 = CRYPT_Z990_KMAC | 2,
- KMAC_TDEA_192 = CRYPT_Z990_KMAC | 3
+/* function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
+ * instruction
+ */
+enum crypt_s390_kmac_func {
+ KMAC_QUERY = CRYPT_S390_KMAC | 0,
+ KMAC_DEA = CRYPT_S390_KMAC | 1,
+ KMAC_TDEA_128 = CRYPT_S390_KMAC | 2,
+ KMAC_TDEA_192 = CRYPT_S390_KMAC | 3
};
-/*status word for z990 crypto instructions' QUERY functions*/
-struct crypt_z990_query_status {
+/* status word for s390 crypto instructions' QUERY functions */
+struct crypt_s390_query_status {
u64 high;
u64 low;
};
/*
- * Standard fixup and ex_table sections for crypt_z990 inline functions.
- * label 0: the z990 crypto operation
- * label 1: just after 1 to catch illegal operation exception on non-z990
+ * Standard fixup and ex_table sections for crypt_s390 inline functions.
+ * label 0: the s390 crypto operation
+ * label 1: just after 1 to catch illegal operation exception
+ * (unsupported model)
* label 6: the return point after fixup
* label 7: set error value if exception _in_ crypto operation
* label 8: set error value if illegal operation exception
* [ret] is the variable to receive the error code
* [ERR] is the error code value
*/
-#ifndef __s390x__
-#define __crypt_z990_fixup \
+#ifndef CONFIG_64BIT
+#define __crypt_s390_fixup \
".section .fixup,\"ax\" \n" \
"7: lhi %0,%h[e1] \n" \
" bras 1,9f \n" \
@@ -105,8 +129,8 @@ struct crypt_z990_query_status {
" .long 0b,7b \n" \
" .long 1b,8b \n" \
".previous"
-#else /* __s390x__ */
-#define __crypt_z990_fixup \
+#else /* CONFIG_64BIT */
+#define __crypt_s390_fixup \
".section .fixup,\"ax\" \n" \
"7: lhi %0,%h[e1] \n" \
" jg 6b \n" \
@@ -118,25 +142,25 @@ struct crypt_z990_query_status {
" .quad 0b,7b \n" \
" .quad 1b,8b \n" \
".previous"
-#endif /* __s390x__ */
+#endif /* CONFIG_64BIT */
/*
- * Standard code for setting the result of z990 crypto instructions.
+ * Standard code for setting the result of s390 crypto instructions.
* %0: the register which will receive the result
* [result]: the register containing the result (e.g. second operand length
* to compute number of processed bytes].
*/
-#ifndef __s390x__
-#define __crypt_z990_set_result \
+#ifndef CONFIG_64BIT
+#define __crypt_s390_set_result \
" lr %0,%[result] \n"
-#else /* __s390x__ */
-#define __crypt_z990_set_result \
+#else /* CONFIG_64BIT */
+#define __crypt_s390_set_result \
" lgr %0,%[result] \n"
#endif
/*
- * Executes the KM (CIPHER MESSAGE) operation of the z990 CPU.
- * @param func: the function code passed to KM; see crypt_z990_km_func
+ * Executes the KM (CIPHER MESSAGE) operation of the CPU.
+ * @param func: the function code passed to KM; see crypt_s390_km_func
* @param param: address of parameter block; see POP for details on each func
* @param dest: address of destination memory area
* @param src: address of source memory area
@@ -145,9 +169,9 @@ struct crypt_z990_query_status {
* for encryption/decryption funcs
*/
static inline int
-crypt_z990_km(long func, void* param, u8* dest, const u8* src, long src_len)
+crypt_s390_km(long func, void* param, u8* dest, const u8* src, long src_len)
{
- register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK;
+ register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
register u8* __dest asm("4") = dest;
register const u8* __src asm("2") = src;
@@ -156,26 +180,26 @@ crypt_z990_km(long func, void* param, u8* dest, const u8* src, long src_len)
ret = 0;
__asm__ __volatile__ (
- "0: .insn rre,0xB92E0000,%1,%2 \n" //KM opcode
- "1: brc 1,0b \n" //handle partial completion
- __crypt_z990_set_result
+ "0: .insn rre,0xB92E0000,%1,%2 \n" /* KM opcode */
+ "1: brc 1,0b \n" /* handle partial completion */
+ __crypt_s390_set_result
"6: \n"
- __crypt_z990_fixup
+ __crypt_s390_fixup
: "+d" (ret), "+a" (__dest), "+a" (__src),
[result] "+d" (__src_len)
: [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
"a" (__param)
: "cc", "memory"
);
- if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){
+ if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
ret = src_len - ret;
}
return ret;
}
/*
- * Executes the KMC (CIPHER MESSAGE WITH CHAINING) operation of the z990 CPU.
- * @param func: the function code passed to KM; see crypt_z990_kmc_func
+ * Executes the KMC (CIPHER MESSAGE WITH CHAINING) operation of the CPU.
+ * @param func: the function code passed to KM; see crypt_s390_kmc_func
* @param param: address of parameter block; see POP for details on each func
* @param dest: address of destination memory area
* @param src: address of source memory area
@@ -184,9 +208,9 @@ crypt_z990_km(long func, void* param, u8* dest, const u8* src, long src_len)
* for encryption/decryption funcs
*/
static inline int
-crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len)
+crypt_s390_kmc(long func, void* param, u8* dest, const u8* src, long src_len)
{
- register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK;
+ register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
register u8* __dest asm("4") = dest;
register const u8* __src asm("2") = src;
@@ -195,18 +219,18 @@ crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len)
ret = 0;
__asm__ __volatile__ (
- "0: .insn rre,0xB92F0000,%1,%2 \n" //KMC opcode
- "1: brc 1,0b \n" //handle partial completion
- __crypt_z990_set_result
+ "0: .insn rre,0xB92F0000,%1,%2 \n" /* KMC opcode */
+ "1: brc 1,0b \n" /* handle partial completion */
+ __crypt_s390_set_result
"6: \n"
- __crypt_z990_fixup
+ __crypt_s390_fixup
: "+d" (ret), "+a" (__dest), "+a" (__src),
[result] "+d" (__src_len)
: [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
"a" (__param)
: "cc", "memory"
);
- if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){
+ if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
ret = src_len - ret;
}
return ret;
@@ -214,8 +238,8 @@ crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len)
/*
* Executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) operation
- * of the z990 CPU.
- * @param func: the function code passed to KM; see crypt_z990_kimd_func
+ * of the CPU.
+ * @param func: the function code passed to KM; see crypt_s390_kimd_func
* @param param: address of parameter block; see POP for details on each func
* @param src: address of source memory area
* @param src_len: length of src operand in bytes
@@ -223,9 +247,9 @@ crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len)
* for digest funcs
*/
static inline int
-crypt_z990_kimd(long func, void* param, const u8* src, long src_len)
+crypt_s390_kimd(long func, void* param, const u8* src, long src_len)
{
- register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK;
+ register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
register const u8* __src asm("2") = src;
register long __src_len asm("3") = src_len;
@@ -233,25 +257,25 @@ crypt_z990_kimd(long func, void* param, const u8* src, long src_len)
ret = 0;
__asm__ __volatile__ (
- "0: .insn rre,0xB93E0000,%1,%1 \n" //KIMD opcode
- "1: brc 1,0b \n" /*handle partical completion of kimd*/
- __crypt_z990_set_result
+ "0: .insn rre,0xB93E0000,%1,%1 \n" /* KIMD opcode */
+ "1: brc 1,0b \n" /* handle partical completion */
+ __crypt_s390_set_result
"6: \n"
- __crypt_z990_fixup
+ __crypt_s390_fixup
: "+d" (ret), "+a" (__src), [result] "+d" (__src_len)
: [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
"a" (__param)
: "cc", "memory"
);
- if (ret >= 0 && (func & CRYPT_Z990_FUNC_MASK)){
+ if (ret >= 0 && (func & CRYPT_S390_FUNC_MASK)){
ret = src_len - ret;
}
return ret;
}
/*
- * Executes the KLMD (COMPUTE LAST MESSAGE DIGEST) operation of the z990 CPU.
- * @param func: the function code passed to KM; see crypt_z990_klmd_func
+ * Executes the KLMD (COMPUTE LAST MESSAGE DIGEST) operation of the CPU.
+ * @param func: the function code passed to KM; see crypt_s390_klmd_func
* @param param: address of parameter block; see POP for details on each func
* @param src: address of source memory area
* @param src_len: length of src operand in bytes
@@ -259,9 +283,9 @@ crypt_z990_kimd(long func, void* param, const u8* src, long src_len)
* for digest funcs
*/
static inline int
-crypt_z990_klmd(long func, void* param, const u8* src, long src_len)
+crypt_s390_klmd(long func, void* param, const u8* src, long src_len)
{
- register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK;
+ register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
register const u8* __src asm("2") = src;
register long __src_len asm("3") = src_len;
@@ -269,17 +293,17 @@ crypt_z990_klmd(long func, void* param, const u8* src, long src_len)
ret = 0;
__asm__ __volatile__ (
- "0: .insn rre,0xB93F0000,%1,%1 \n" //KLMD opcode
- "1: brc 1,0b \n" /*handle partical completion of klmd*/
- __crypt_z990_set_result
+ "0: .insn rre,0xB93F0000,%1,%1 \n" /* KLMD opcode */
+ "1: brc 1,0b \n" /* handle partical completion */
+ __crypt_s390_set_result
"6: \n"
- __crypt_z990_fixup
+ __crypt_s390_fixup
: "+d" (ret), "+a" (__src), [result] "+d" (__src_len)
: [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
"a" (__param)
: "cc", "memory"
);
- if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){
+ if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
ret = src_len - ret;
}
return ret;
@@ -287,8 +311,8 @@ crypt_z990_klmd(long func, void* param, const u8* src, long src_len)
/*
* Executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) operation
- * of the z990 CPU.
- * @param func: the function code passed to KM; see crypt_z990_klmd_func
+ * of the CPU.
+ * @param func: the function code passed to KM; see crypt_s390_klmd_func
* @param param: address of parameter block; see POP for details on each func
* @param src: address of source memory area
* @param src_len: length of src operand in bytes
@@ -296,9 +320,9 @@ crypt_z990_klmd(long func, void* param, const u8* src, long src_len)
* for digest funcs
*/
static inline int
-crypt_z990_kmac(long func, void* param, const u8* src, long src_len)
+crypt_s390_kmac(long func, void* param, const u8* src, long src_len)
{
- register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK;
+ register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
register const u8* __src asm("2") = src;
register long __src_len asm("3") = src_len;
@@ -306,58 +330,58 @@ crypt_z990_kmac(long func, void* param, const u8* src, long src_len)
ret = 0;
__asm__ __volatile__ (
- "0: .insn rre,0xB91E0000,%5,%5 \n" //KMAC opcode
- "1: brc 1,0b \n" /*handle partical completion of klmd*/
- __crypt_z990_set_result
+ "0: .insn rre,0xB91E0000,%5,%5 \n" /* KMAC opcode */
+ "1: brc 1,0b \n" /* handle partical completion */
+ __crypt_s390_set_result
"6: \n"
- __crypt_z990_fixup
+ __crypt_s390_fixup
: "+d" (ret), "+a" (__src), [result] "+d" (__src_len)
: [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
"a" (__param)
: "cc", "memory"
);
- if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){
+ if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
ret = src_len - ret;
}
return ret;
}
/**
- * Tests if a specific z990 crypto function is implemented on the machine.
+ * Tests if a specific crypto function is implemented on the machine.
* @param func: the function code of the specific function; 0 if op in general
* @return 1 if func available; 0 if func or op in general not available
*/
static inline int
-crypt_z990_func_available(int func)
+crypt_s390_func_available(int func)
{
int ret;
- struct crypt_z990_query_status status = {
+ struct crypt_s390_query_status status = {
.high = 0,
.low = 0
};
- switch (func & CRYPT_Z990_OP_MASK){
- case CRYPT_Z990_KM:
- ret = crypt_z990_km(KM_QUERY, &status, NULL, NULL, 0);
+ switch (func & CRYPT_S390_OP_MASK){
+ case CRYPT_S390_KM:
+ ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);
break;
- case CRYPT_Z990_KMC:
- ret = crypt_z990_kmc(KMC_QUERY, &status, NULL, NULL, 0);
+ case CRYPT_S390_KMC:
+ ret = crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0);
break;
- case CRYPT_Z990_KIMD:
- ret = crypt_z990_kimd(KIMD_QUERY, &status, NULL, 0);
+ case CRYPT_S390_KIMD:
+ ret = crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0);
break;
- case CRYPT_Z990_KLMD:
- ret = crypt_z990_klmd(KLMD_QUERY, &status, NULL, 0);
+ case CRYPT_S390_KLMD:
+ ret = crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0);
break;
- case CRYPT_Z990_KMAC:
- ret = crypt_z990_kmac(KMAC_QUERY, &status, NULL, 0);
+ case CRYPT_S390_KMAC:
+ ret = crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0);
break;
default:
ret = 0;
return ret;
}
if (ret >= 0){
- func &= CRYPT_Z990_FUNC_MASK;
+ func &= CRYPT_S390_FUNC_MASK;
func &= 0x7f; //mask modifier bit
if (func < 64){
ret = (status.high >> (64 - func - 1)) & 0x1;
@@ -370,5 +394,4 @@ crypt_z990_func_available(int func)
return ret;
}
-
-#endif // _CRYPTO_ARCH_S390_CRYPT_Z990_H
+#endif // _CRYPTO_ARCH_S390_CRYPT_S390_H
diff --git a/arch/s390/crypto/crypt_s390_query.c b/arch/s390/crypto/crypt_s390_query.c
new file mode 100644
index 00000000000..def02bdc44a
--- /dev/null
+++ b/arch/s390/crypto/crypt_s390_query.c
@@ -0,0 +1,129 @@
+/*
+ * Cryptographic API.
+ *
+ * Support for s390 cryptographic instructions.
+ * Testing module for querying processor crypto capabilities.
+ *
+ * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Author(s): Thomas Spatzier (tspat@de.ibm.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/errno.h>
+#include "crypt_s390.h"
+
+static void query_available_functions(void)
+{
+ printk(KERN_INFO "#####################\n");
+
+ /* query available KM functions */
+ printk(KERN_INFO "KM_QUERY: %d\n",
+ crypt_s390_func_available(KM_QUERY));
+ printk(KERN_INFO "KM_DEA: %d\n",
+ crypt_s390_func_available(KM_DEA_ENCRYPT));
+ printk(KERN_INFO "KM_TDEA_128: %d\n",
+ crypt_s390_func_available(KM_TDEA_128_ENCRYPT));
+ printk(KERN_INFO "KM_TDEA_192: %d\n",
+ crypt_s390_func_available(KM_TDEA_192_ENCRYPT));
+ printk(KERN_INFO "KM_AES_128: %d\n",
+ crypt_s390_func_available(KM_AES_128_ENCRYPT));
+ printk(KERN_INFO "KM_AES_192: %d\n",
+ crypt_s390_func_available(KM_AES_192_ENCRYPT));
+ printk(KERN_INFO "KM_AES_256: %d\n",
+ crypt_s390_func_available(KM_AES_256_ENCRYPT));
+
+ /* query available KMC functions */
+ printk(KERN_INFO "KMC_QUERY: %d\n",
+ crypt_s390_func_available(KMC_QUERY));
+ printk(KERN_INFO "KMC_DEA: %d\n",
+ crypt_s390_func_available(KMC_DEA_ENCRYPT));
+ printk(KERN_INFO "KMC_TDEA_128: %d\n",
+ crypt_s390_func_available(KMC_TDEA_128_ENCRYPT));
+ printk(KERN_INFO "KMC_TDEA_192: %d\n",
+ crypt_s390_func_available(KMC_TDEA_192_ENCRYPT));
+ printk(KERN_INFO "KMC_AES_128: %d\n",
+ crypt_s390_func_available(KMC_AES_128_ENCRYPT));
+ printk(KERN_INFO "KMC_AES_192: %d\n",
+ crypt_s390_func_available(KMC_AES_192_ENCRYPT));
+ printk(KERN_INFO "KMC_AES_256: %d\n",
+ crypt_s390_func_available(KMC_AES_256_ENCRYPT));
+
+ /* query available KIMD fucntions */
+ printk(KERN_INFO "KIMD_QUERY: %d\n",
+ crypt_s390_func_available(KIMD_QUERY));
+ printk(KERN_INFO "KIMD_SHA_1: %d\n",
+ crypt_s390_func_available(KIMD_SHA_1));
+ printk(KERN_INFO "KIMD_SHA_256: %d\n",
+ crypt_s390_func_available(KIMD_SHA_256));
+
+ /* query available KLMD functions */
+ printk(KERN_INFO "KLMD_QUERY: %d\n",
+ crypt_s390_func_available(KLMD_QUERY));
+ printk(KERN_INFO "KLMD_SHA_1: %d\n",
+ crypt_s390_func_available(KLMD_SHA_1));
+ printk(KERN_INFO "KLMD_SHA_256: %d\n",
+ crypt_s390_func_available(KLMD_SHA_256));
+
+ /* query available KMAC functions */
+ printk(KERN_INFO "KMAC_QUERY: %d\n",
+ crypt_s390_func_available(KMAC_QUERY));
+ printk(KERN_INFO "KMAC_DEA: %d\n",
+ crypt_s390_func_available(KMAC_DEA));
+ printk(KERN_INFO "KMAC_TDEA_128: %d\n",
+ crypt_s390_func_available(KMAC_TDEA_128));
+ printk(KERN_INFO "KMAC_TDEA_192: %d\n",
+ crypt_s390_func_available(KMAC_TDEA_192));
+}
+
+static int init(void)
+{
+ struct crypt_s390_query_status status = {
+ .high = 0,
+ .low = 0
+ };
+
+ printk(KERN_INFO "crypt_s390: querying available crypto functions\n");
+ crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);
+ printk(KERN_INFO "KM:\t%016llx %016llx\n",
+ (unsigned long long) status.high,
+ (unsigned long long) status.low);
+ status.high = status.low = 0;
+ crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0);
+ printk(KERN_INFO "KMC:\t%016llx %016llx\n",
+ (unsigned long long) status.high,
+ (unsigned long long) status.low);
+ status.high = status.low = 0;
+ crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0);
+ printk(KERN_INFO "KIMD:\t%016llx %016llx\n",
+ (unsigned long long) status.high,
+ (unsigned long long) status.low);
+ status.high = status.low = 0;
+ crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0);
+ printk(KERN_INFO "KLMD:\t%016llx %016llx\n",
+ (unsigned long long) status.high,
+ (unsigned long long) status.low);
+ status.high = status.low = 0;
+ crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0);
+ printk(KERN_INFO "KMAC:\t%016llx %016llx\n",
+ (unsigned long long) status.high,
+ (unsigned long long) status.low);
+
+ query_available_functions();
+ return -ECANCELED;
+}
+
+static void __exit cleanup(void)
+{
+}
+
+module_init(init);
+module_exit(cleanup);
+
+MODULE_LICENSE("GPL");
diff --git a/arch/s390/crypto/crypt_z990_query.c b/arch/s390/crypto/crypt_z990_query.c
deleted file mode 100644
index 7133983d138..00000000000
--- a/arch/s390/crypto/crypt_z990_query.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Cryptographic API.
- *
- * Support for z990 cryptographic instructions.
- * Testing module for querying processor crypto capabilities.
- *
- * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Thomas Spatzier (tspat@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <asm/errno.h>
-#include "crypt_z990.h"
-
-static void
-query_available_functions(void)
-{
- printk(KERN_INFO "#####################\n");
- //query available KM functions
- printk(KERN_INFO "KM_QUERY: %d\n",
- crypt_z990_func_available(KM_QUERY));
- printk(KERN_INFO "KM_DEA: %d\n",
- crypt_z990_func_available(KM_DEA_ENCRYPT));
- printk(KERN_INFO "KM_TDEA_128: %d\n",
- crypt_z990_func_available(KM_TDEA_128_ENCRYPT));
- printk(KERN_INFO "KM_TDEA_192: %d\n",
- crypt_z990_func_available(KM_TDEA_192_ENCRYPT));
- //query available KMC functions
- printk(KERN_INFO "KMC_QUERY: %d\n",
- crypt_z990_func_available(KMC_QUERY));
- printk(KERN_INFO "KMC_DEA: %d\n",
- crypt_z990_func_available(KMC_DEA_ENCRYPT));
- printk(KERN_INFO "KMC_TDEA_128: %d\n",
- crypt_z990_func_available(KMC_TDEA_128_ENCRYPT));
- printk(KERN_INFO "KMC_TDEA_192: %d\n",
- crypt_z990_func_available(KMC_TDEA_192_ENCRYPT));
- //query available KIMD fucntions
- printk(KERN_INFO "KIMD_QUERY: %d\n",
- crypt_z990_func_available(KIMD_QUERY));
- printk(KERN_INFO "KIMD_SHA_1: %d\n",
- crypt_z990_func_available(KIMD_SHA_1));
- //query available KLMD functions
- printk(KERN_INFO "KLMD_QUERY: %d\n",
- crypt_z990_func_available(KLMD_QUERY));
- printk(KERN_INFO "KLMD_SHA_1: %d\n",
- crypt_z990_func_available(KLMD_SHA_1));
- //query available KMAC functions
- printk(KERN_INFO "KMAC_QUERY: %d\n",
- crypt_z990_func_available(KMAC_QUERY));
- printk(KERN_INFO "KMAC_DEA: %d\n",
- crypt_z990_func_available(KMAC_DEA));
- printk(KERN_INFO "KMAC_TDEA_128: %d\n",
- crypt_z990_func_available(KMAC_TDEA_128));
- printk(KERN_INFO "KMAC_TDEA_192: %d\n",
- crypt_z990_func_available(KMAC_TDEA_192));
-}
-
-static int
-init(void)
-{
- struct crypt_z990_query_status status = {
- .high = 0,
- .low = 0
- };
-
- printk(KERN_INFO "crypt_z990: querying available crypto functions\n");
- crypt_z990_km(KM_QUERY, &status, NULL, NULL, 0);
- printk(KERN_INFO "KM: %016llx %016llx\n",
- (unsigned long long) status.high,
- (unsigned long long) status.low);
- status.high = status.low = 0;
- crypt_z990_kmc(KMC_QUERY, &status, NULL, NULL, 0);
- printk(KERN_INFO "KMC: %016llx %016llx\n",
- (unsigned long long) status.high,
- (unsigned long long) status.low);
- status.high = status.low = 0;
- crypt_z990_kimd(KIMD_QUERY, &status, NULL, 0);
- printk(KERN_INFO "KIMD: %016llx %016llx\n",
- (unsigned long long) status.high,
- (unsigned long long) status.low);
- status.high = status.low = 0;
- crypt_z990_klmd(KLMD_QUERY, &status, NULL, 0);
- printk(KERN_INFO "KLMD: %016llx %016llx\n",
- (unsigned long long) status.high,
- (unsigned long long) status.low);
- status.high = status.low = 0;
- crypt_z990_kmac(KMAC_QUERY, &status, NULL, 0);
- printk(KERN_INFO "KMAC: %016llx %016llx\n",
- (unsigned long long) status.high,
- (unsigned long long) status.low);
-
- query_available_functions();
- return -1;
-}
-
-static void __exit
-cleanup(void)
-{
-}
-
-module_init(init);
-module_exit(cleanup);
-
-MODULE_LICENSE("GPL");
diff --git a/arch/s390/crypto/des_z990.c b/arch/s390/crypto/des_s390.c
index 813cf37b117..a38bb2a3eef 100644
--- a/arch/s390/crypto/des_z990.c
+++ b/arch/s390/crypto/des_s390.c
@@ -1,7 +1,7 @@
/*
* Cryptographic API.
*
- * z990 implementation of the DES Cipher Algorithm.
+ * s390 implementation of the DES Cipher Algorithm.
*
* Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Thomas Spatzier (tspat@de.ibm.com)
@@ -19,7 +19,7 @@
#include <linux/errno.h>
#include <asm/scatterlist.h>
#include <linux/crypto.h>
-#include "crypt_z990.h"
+#include "crypt_s390.h"
#include "crypto_des.h"
#define DES_BLOCK_SIZE 8
@@ -31,17 +31,17 @@
#define DES3_192_KEY_SIZE (3 * DES_KEY_SIZE)
#define DES3_192_BLOCK_SIZE DES_BLOCK_SIZE
-struct crypt_z990_des_ctx {
+struct crypt_s390_des_ctx {
u8 iv[DES_BLOCK_SIZE];
u8 key[DES_KEY_SIZE];
};
-struct crypt_z990_des3_128_ctx {
+struct crypt_s390_des3_128_ctx {
u8 iv[DES_BLOCK_SIZE];
u8 key[DES3_128_KEY_SIZE];
};
-struct crypt_z990_des3_192_ctx {
+struct crypt_s390_des3_192_ctx {
u8 iv[DES_BLOCK_SIZE];
u8 key[DES3_192_KEY_SIZE];
};
@@ -49,7 +49,7 @@ struct crypt_z990_des3_192_ctx {
static int
des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
{
- struct crypt_z990_des_ctx *dctx;
+ struct crypt_s390_des_ctx *dctx;
int ret;
dctx = ctx;
@@ -65,26 +65,26 @@ des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
static void
des_encrypt(void *ctx, u8 *dst, const u8 *src)
{
- struct crypt_z990_des_ctx *dctx;
+ struct crypt_s390_des_ctx *dctx;
dctx = ctx;
- crypt_z990_km(KM_DEA_ENCRYPT, dctx->key, dst, src, DES_BLOCK_SIZE);
+ crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, dst, src, DES_BLOCK_SIZE);
}
static void
des_decrypt(void *ctx, u8 *dst, const u8 *src)
{
- struct crypt_z990_des_ctx *dctx;
+ struct crypt_s390_des_ctx *dctx;
dctx = ctx;
- crypt_z990_km(KM_DEA_DECRYPT, dctx->key, dst, src, DES_BLOCK_SIZE);
+ crypt_s390_km(KM_DEA_DECRYPT, dctx->key, dst, src, DES_BLOCK_SIZE);
}
static struct crypto_alg des_alg = {
.cra_name = "des",
.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
.cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_z990_des_ctx),
+ .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(des_alg.cra_list),
.cra_u = { .cipher = {
@@ -111,7 +111,7 @@ static int
des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
{
int i, ret;
- struct crypt_z990_des3_128_ctx *dctx;
+ struct crypt_s390_des3_128_ctx *dctx;
const u8* temp_key = key;
dctx = ctx;
@@ -132,20 +132,20 @@ des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
static void
des3_128_encrypt(void *ctx, u8 *dst, const u8 *src)
{
- struct crypt_z990_des3_128_ctx *dctx;
+ struct crypt_s390_des3_128_ctx *dctx;
dctx = ctx;
- crypt_z990_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src,
+ crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src,
DES3_128_BLOCK_SIZE);
}
static void
des3_128_decrypt(void *ctx, u8 *dst, const u8 *src)
{
- struct crypt_z990_des3_128_ctx *dctx;
+ struct crypt_s390_des3_128_ctx *dctx;
dctx = ctx;
- crypt_z990_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src,
+ crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src,
DES3_128_BLOCK_SIZE);
}
@@ -153,7 +153,7 @@ static struct crypto_alg des3_128_alg = {
.cra_name = "des3_ede128",
.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
.cra_blocksize = DES3_128_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_z990_des3_128_ctx),
+ .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list),
.cra_u = { .cipher = {
@@ -181,7 +181,7 @@ static int
des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
{
int i, ret;
- struct crypt_z990_des3_192_ctx *dctx;
+ struct crypt_s390_des3_192_ctx *dctx;
const u8* temp_key;
dctx = ctx;
@@ -206,20 +206,20 @@ des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
static void
des3_192_encrypt(void *ctx, u8 *dst, const u8 *src)
{
- struct crypt_z990_des3_192_ctx *dctx;
+ struct crypt_s390_des3_192_ctx *dctx;
dctx = ctx;
- crypt_z990_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src,
+ crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src,
DES3_192_BLOCK_SIZE);
}
static void
des3_192_decrypt(void *ctx, u8 *dst, const u8 *src)
{
- struct crypt_z990_des3_192_ctx *dctx;
+ struct crypt_s390_des3_192_ctx *dctx;
dctx = ctx;
- crypt_z990_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src,
+ crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src,
DES3_192_BLOCK_SIZE);
}
@@ -227,7 +227,7 @@ static struct crypto_alg des3_192_alg = {
.cra_name = "des3_ede",
.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
.cra_blocksize = DES3_192_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_z990_des3_192_ctx),
+ .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list),
.cra_u = { .cipher = {
@@ -245,9 +245,9 @@ init(void)
{
int ret;
- if (!crypt_z990_func_available(KM_DEA_ENCRYPT) ||
- !crypt_z990_func_available(KM_TDEA_128_ENCRYPT) ||
- !crypt_z990_func_available(KM_TDEA_192_ENCRYPT)){
+ if (!crypt_s390_func_available(KM_DEA_ENCRYPT) ||
+ !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) ||
+ !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)){
return -ENOSYS;
}
@@ -262,7 +262,7 @@ init(void)
return -EEXIST;
}
- printk(KERN_INFO "crypt_z990: des_z990 loaded.\n");
+ printk(KERN_INFO "crypt_s390: des_s390 loaded.\n");
return 0;
}
diff --git a/arch/s390/crypto/sha1_z990.c b/arch/s390/crypto/sha1_s390.c
index 298174ddf5b..98c896b86dc 100644
--- a/arch/s390/crypto/sha1_z990.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -1,7 +1,7 @@
/*
* Cryptographic API.
*
- * z990 implementation of the SHA1 Secure Hash Algorithm.
+ * s390 implementation of the SHA1 Secure Hash Algorithm.
*
* Derived from cryptoapi implementation, adapted for in-place
* scatterlist interface. Originally based on the public domain
@@ -28,22 +28,22 @@
#include <linux/crypto.h>
#include <asm/scatterlist.h>
#include <asm/byteorder.h>
-#include "crypt_z990.h"
+#include "crypt_s390.h"
#define SHA1_DIGEST_SIZE 20
#define SHA1_BLOCK_SIZE 64
-struct crypt_z990_sha1_ctx {
- u64 count;
- u32 state[5];
+struct crypt_s390_sha1_ctx {
+ u64 count;
+ u32 state[5];
u32 buf_len;
- u8 buffer[2 * SHA1_BLOCK_SIZE];
+ u8 buffer[2 * SHA1_BLOCK_SIZE];
};
static void
sha1_init(void *ctx)
{
- static const struct crypt_z990_sha1_ctx initstate = {
+ static const struct crypt_s390_sha1_ctx initstate = {
.state = {
0x67452301,
0xEFCDAB89,
@@ -58,7 +58,7 @@ sha1_init(void *ctx)
static void
sha1_update(void *ctx, const u8 *data, unsigned int len)
{
- struct crypt_z990_sha1_ctx *sctx;
+ struct crypt_s390_sha1_ctx *sctx;
long imd_len;
sctx = ctx;
@@ -69,7 +69,7 @@ sha1_update(void *ctx, const u8 *data, unsigned int len)
//complete full block and hash
memcpy(sctx->buffer + sctx->buf_len, data,
SHA1_BLOCK_SIZE - sctx->buf_len);
- crypt_z990_kimd(KIMD_SHA_1, sctx->state, sctx->buffer,
+ crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer,
SHA1_BLOCK_SIZE);
data += SHA1_BLOCK_SIZE - sctx->buf_len;
len -= SHA1_BLOCK_SIZE - sctx->buf_len;
@@ -79,7 +79,7 @@ sha1_update(void *ctx, const u8 *data, unsigned int len)
//rest of data contains full blocks?
imd_len = len & ~0x3ful;
if (imd_len){
- crypt_z990_kimd(KIMD_SHA_1, sctx->state, data, imd_len);
+ crypt_s390_kimd(KIMD_SHA_1, sctx->state, data, imd_len);
data += imd_len;
len -= imd_len;
}
@@ -92,7 +92,7 @@ sha1_update(void *ctx, const u8 *data, unsigned int len)
static void
-pad_message(struct crypt_z990_sha1_ctx* sctx)
+pad_message(struct crypt_s390_sha1_ctx* sctx)
{
int index;
@@ -113,11 +113,11 @@ pad_message(struct crypt_z990_sha1_ctx* sctx)
static void
sha1_final(void* ctx, u8 *out)
{
- struct crypt_z990_sha1_ctx *sctx = ctx;
+ struct crypt_s390_sha1_ctx *sctx = ctx;
//must perform manual padding
pad_message(sctx);
- crypt_z990_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len);
+ crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len);
//copy digest to out
memcpy(out, sctx->state, SHA1_DIGEST_SIZE);
/* Wipe context */
@@ -128,7 +128,7 @@ static struct crypto_alg alg = {
.cra_name = "sha1",
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_z990_sha1_ctx),
+ .cra_ctxsize = sizeof(struct crypt_s390_sha1_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(alg.cra_list),
.cra_u = { .digest = {
@@ -143,10 +143,10 @@ init(void)
{
int ret = -ENOSYS;
- if (crypt_z990_func_available(KIMD_SHA_1)){
+ if (crypt_s390_func_available(KIMD_SHA_1)){
ret = crypto_register_alg(&alg);
if (ret == 0){
- printk(KERN_INFO "crypt_z990: sha1_z990 loaded.\n");
+ printk(KERN_INFO "crypt_s390: sha1_s390 loaded.\n");
}
}
return ret;
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
new file mode 100644
index 00000000000..b75bdbd476c
--- /dev/null
+++ b/arch/s390/crypto/sha256_s390.c
@@ -0,0 +1,151 @@
+/*
+ * Cryptographic API.
+ *
+ * s390 implementation of the SHA256 Secure Hash Algorithm.
+ *
+ * s390 Version:
+ * Copyright (C) 2005 IBM Deutschland GmbH, IBM Corporation
+ * Author(s): Jan Glauber (jang@de.ibm.com)
+ *
+ * Derived from "crypto/sha256.c"
+ * and "arch/s390/crypto/sha1_s390.c"
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/crypto.h>
+
+#include "crypt_s390.h"
+
+#define SHA256_DIGEST_SIZE 32
+#define SHA256_BLOCK_SIZE 64
+
+struct s390_sha256_ctx {
+ u64 count;
+ u32 state[8];
+ u8 buf[2 * SHA256_BLOCK_SIZE];
+};
+
+static void sha256_init(void *ctx)
+{
+ struct s390_sha256_ctx *sctx = ctx;
+
+ sctx->state[0] = 0x6a09e667;
+ sctx->state[1] = 0xbb67ae85;
+ sctx->state[2] = 0x3c6ef372;
+ sctx->state[3] = 0xa54ff53a;
+ sctx->state[4] = 0x510e527f;
+ sctx->state[5] = 0x9b05688c;
+ sctx->state[6] = 0x1f83d9ab;
+ sctx->state[7] = 0x5be0cd19;
+ sctx->count = 0;
+ memset(sctx->buf, 0, sizeof(sctx->buf));
+}
+
+static void sha256_update(void *ctx, const u8 *data, unsigned int len)
+{
+ struct s390_sha256_ctx *sctx = ctx;
+ unsigned int index;
+
+ /* how much is already in the buffer? */
+ index = sctx->count / 8 & 0x3f;
+
+ /* update message bit length */
+ sctx->count += len * 8;
+
+ /* process one block */
+ if ((index + len) >= SHA256_BLOCK_SIZE) {
+ memcpy(sctx->buf + index, data, SHA256_BLOCK_SIZE - index);
+ crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf,
+ SHA256_BLOCK_SIZE);
+ data += SHA256_BLOCK_SIZE - index;
+ len -= SHA256_BLOCK_SIZE - index;
+ }
+
+ /* anything left? */
+ if (len)
+ memcpy(sctx->buf + index , data, len);
+}
+
+static void pad_message(struct s390_sha256_ctx* sctx)
+{
+ int index, end;
+
+ index = sctx->count / 8 & 0x3f;
+ end = index < 56 ? SHA256_BLOCK_SIZE : 2 * SHA256_BLOCK_SIZE;
+
+ /* start pad with 1 */
+ sctx->buf[index] = 0x80;
+
+ /* pad with zeros */
+ index++;
+ memset(sctx->buf + index, 0x00, end - index - 8);
+
+ /* append message length */
+ memcpy(sctx->buf + end - 8, &sctx->count, sizeof sctx->count);
+
+ sctx->count = end * 8;
+}
+
+/* Add padding and return the message digest */
+static void sha256_final(void* ctx, u8 *out)
+{
+ struct s390_sha256_ctx *sctx = ctx;
+
+ /* must perform manual padding */
+ pad_message(sctx);
+
+ crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf,
+ sctx->count / 8);
+
+ /* copy digest to out */
+ memcpy(out, sctx->state, SHA256_DIGEST_SIZE);
+
+ /* wipe context */
+ memset(sctx, 0, sizeof *sctx);
+}
+
+static struct crypto_alg alg = {
+ .cra_name = "sha256",
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct s390_sha256_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
+ .cra_u = { .digest = {
+ .dia_digestsize = SHA256_DIGEST_SIZE,
+ .dia_init = sha256_init,
+ .dia_update = sha256_update,
+ .dia_final = sha256_final } }
+};
+
+static int init(void)
+{
+ int ret;
+
+ if (!crypt_s390_func_available(KIMD_SHA_256))
+ return -ENOSYS;
+
+ ret = crypto_register_alg(&alg);
+ if (ret != 0)
+ printk(KERN_INFO "crypt_s390: sha256_s390 couldn't be loaded.");
+ return ret;
+}
+
+static void __exit fini(void)
+{
+ crypto_unregister_alg(&alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("sha256");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 09:51:40 +0000