diff options
Diffstat (limited to 'arch/s390/crypto')
-rw-r--r-- | arch/s390/crypto/des_s390.c | 11 | ||||
-rw-r--r-- | arch/s390/crypto/sha1_s390.c | 26 | ||||
-rw-r--r-- | arch/s390/crypto/sha256_s390.c | 26 | ||||
-rw-r--r-- | arch/s390/crypto/sha512_s390.c | 36 |
4 files changed, 94 insertions, 5 deletions
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 4aba83b3159..2bc479ab3a6 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -250,8 +250,9 @@ static int des3_128_setkey(struct crypto_tfm *tfm, const u8 *key, const u8 *temp_key = key; u32 *flags = &tfm->crt_flags; - if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; + if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE)) && + (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) { + *flags |= CRYPTO_TFM_RES_WEAK_KEY; return -EINVAL; } for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) { @@ -411,9 +412,9 @@ static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key, if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) && memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2], - DES_KEY_SIZE))) { - - *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; + DES_KEY_SIZE)) && + (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) { + *flags |= CRYPTO_TFM_RES_WEAK_KEY; return -EINVAL; } for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) { diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c index e85ba348722..f6de7826c97 100644 --- a/arch/s390/crypto/sha1_s390.c +++ b/arch/s390/crypto/sha1_s390.c @@ -46,12 +46,38 @@ static int sha1_init(struct shash_desc *desc) return 0; } +static int sha1_export(struct shash_desc *desc, void *out) +{ + struct s390_sha_ctx *sctx = shash_desc_ctx(desc); + struct sha1_state *octx = out; + + octx->count = sctx->count; + memcpy(octx->state, sctx->state, sizeof(octx->state)); + memcpy(octx->buffer, sctx->buf, sizeof(octx->buffer)); + return 0; +} + +static int sha1_import(struct shash_desc *desc, const void *in) +{ + struct s390_sha_ctx *sctx = shash_desc_ctx(desc); + const struct sha1_state *ictx = in; + + sctx->count = ictx->count; + memcpy(sctx->state, ictx->state, sizeof(ictx->state)); + memcpy(sctx->buf, ictx->buffer, sizeof(ictx->buffer)); + sctx->func = KIMD_SHA_1; + return 0; +} + static struct shash_alg alg = { .digestsize = SHA1_DIGEST_SIZE, .init = sha1_init, .update = s390_sha_update, .final = s390_sha_final, + .export = sha1_export, + .import = sha1_import, .descsize = sizeof(struct s390_sha_ctx), + .statesize = sizeof(struct sha1_state), .base = { .cra_name = "sha1", .cra_driver_name= "sha1-s390", diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index f9fefc56963..61a7db37212 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -42,12 +42,38 @@ static int sha256_init(struct shash_desc *desc) return 0; } +static int sha256_export(struct shash_desc *desc, void *out) +{ + struct s390_sha_ctx *sctx = shash_desc_ctx(desc); + struct sha256_state *octx = out; + + octx->count = sctx->count; + memcpy(octx->state, sctx->state, sizeof(octx->state)); + memcpy(octx->buf, sctx->buf, sizeof(octx->buf)); + return 0; +} + +static int sha256_import(struct shash_desc *desc, const void *in) +{ + struct s390_sha_ctx *sctx = shash_desc_ctx(desc); + const struct sha256_state *ictx = in; + + sctx->count = ictx->count; + memcpy(sctx->state, ictx->state, sizeof(ictx->state)); + memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf)); + sctx->func = KIMD_SHA_256; + return 0; +} + static struct shash_alg alg = { .digestsize = SHA256_DIGEST_SIZE, .init = sha256_init, .update = s390_sha_update, .final = s390_sha_final, + .export = sha256_export, + .import = sha256_import, .descsize = sizeof(struct s390_sha_ctx), + .statesize = sizeof(struct sha256_state), .base = { .cra_name = "sha256", .cra_driver_name= "sha256-s390", diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c index 83192bfc804..4bf73d0dc52 100644 --- a/arch/s390/crypto/sha512_s390.c +++ b/arch/s390/crypto/sha512_s390.c @@ -13,7 +13,10 @@ * */ #include <crypto/internal/hash.h> +#include <crypto/sha.h> +#include <linux/errno.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/module.h> #include "sha.h" @@ -37,12 +40,42 @@ static int sha512_init(struct shash_desc *desc) return 0; } +static int sha512_export(struct shash_desc *desc, void *out) +{ + struct s390_sha_ctx *sctx = shash_desc_ctx(desc); + struct sha512_state *octx = out; + + octx->count[0] = sctx->count; + octx->count[1] = 0; + memcpy(octx->state, sctx->state, sizeof(octx->state)); + memcpy(octx->buf, sctx->buf, sizeof(octx->buf)); + return 0; +} + +static int sha512_import(struct shash_desc *desc, const void *in) +{ + struct s390_sha_ctx *sctx = shash_desc_ctx(desc); + const struct sha512_state *ictx = in; + + if (unlikely(ictx->count[1])) + return -ERANGE; + sctx->count = ictx->count[0]; + + memcpy(sctx->state, ictx->state, sizeof(ictx->state)); + memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf)); + sctx->func = KIMD_SHA_512; + return 0; +} + static struct shash_alg sha512_alg = { .digestsize = SHA512_DIGEST_SIZE, .init = sha512_init, .update = s390_sha_update, .final = s390_sha_final, + .export = sha512_export, + .import = sha512_import, .descsize = sizeof(struct s390_sha_ctx), + .statesize = sizeof(struct sha512_state), .base = { .cra_name = "sha512", .cra_driver_name= "sha512-s390", @@ -78,7 +111,10 @@ static struct shash_alg sha384_alg = { .init = sha384_init, .update = s390_sha_update, .final = s390_sha_final, + .export = sha512_export, + .import = sha512_import, .descsize = sizeof(struct s390_sha_ctx), + .statesize = sizeof(struct sha512_state), .base = { .cra_name = "sha384", .cra_driver_name= "sha384-s390", |