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openssl-1_1
0004-s390x-assembly-pack-add-KMA-code-path-for-...
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File 0004-s390x-assembly-pack-add-KMA-code-path-for-aes-gcm.patch of Package openssl-1_1
From 96530eea93d27e536f4e93956256cf8dcda7d469 Mon Sep 17 00:00:00 2001 From: Patrick Steuer <patrick.steuer@de.ibm.com> Date: Mon, 2 Oct 2017 15:53:00 +0200 Subject: [PATCH] s390x assembly pack: add KMA code path for aes-gcm. Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com> Reviewed-by: Andy Polyakov <appro@openssl.org> Reviewed-by: Tim Hudson <tjh@openssl.org> (Merged from https://github.com/openssl/openssl/pull/4634) --- crypto/build.info | 2 + crypto/evp/e_aes.c | 735 +++++++++++++++++++++++++ crypto/s390x_arch.h | 11 + crypto/{s390xcpuid.S => s390xcpuid.pl} | 127 ++++- 4 files changed, 847 insertions(+), 28 deletions(-) rename crypto/{s390xcpuid.S => s390xcpuid.pl} (66%) mode change 100644 => 100755 diff --git a/crypto/build.info b/crypto/build.info index 983708a41b..0d3475071d 100644 --- a/crypto/build.info +++ b/crypto/build.info @@ -31,6 +31,8 @@ GENERATE[arm64cpuid.S]=arm64cpuid.pl $(PERLASM_SCHEME) INCLUDE[arm64cpuid.o]=. GENERATE[armv4cpuid.S]=armv4cpuid.pl $(PERLASM_SCHEME) INCLUDE[armv4cpuid.o]=. +GENERATE[s390xcpuid.S]=s390xcpuid.pl $(PERLASM_SCHEME) +INCLUDE[s390xcpuid.o]=. IF[{- $config{target} =~ /^(?:Cygwin|mingw|VC-)/ -}] SHARED_SOURCE[../libcrypto]=dllmain.c diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c index 802b1d814d..3986a4855e 100644 --- a/crypto/evp/e_aes.c +++ b/crypto/evp/e_aes.c @@ -950,6 +950,741 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; } +#elif defined(OPENSSL_CPUID_OBJ) && defined(__s390__) +/* + * IBM S390X support + */ +# include "s390x_arch.h" + +typedef struct { + union { + double align; + /*- + * KMA-GCM-AES parameter block + * (see z/Architecture Principles of Operation SA22-7832-11) + */ + struct { + unsigned char reserved[12]; + union { + unsigned int w; + unsigned char b[4]; + } cv; + union { + unsigned long long g[2]; + unsigned char b[16]; + } t; + unsigned char h[16]; + unsigned long long taadl; + unsigned long long tpcl; + union { + unsigned long long g[2]; + unsigned int w[4]; + } j0; + unsigned char k[32]; + } param; + } kma; + unsigned int fc; + int key_set; + + unsigned char *iv; + int ivlen; + int iv_set; + int iv_gen; + + int taglen; + + unsigned char ares[16]; + unsigned char mres[16]; + unsigned char kres[16]; + int areslen; + int mreslen; + int kreslen; + + int tls_aad_len; +} S390X_AES_GCM_CTX; + +# define S390X_aes_128_CAPABLE ((OPENSSL_s390xcap_P.km[0] & \ + S390X_CAPBIT(S390X_AES_128)) &&\ + (OPENSSL_s390xcap_P.kmc[0] & \ + S390X_CAPBIT(S390X_AES_128))) +# define S390X_aes_192_CAPABLE ((OPENSSL_s390xcap_P.km[0] & \ + S390X_CAPBIT(S390X_AES_192)) &&\ + (OPENSSL_s390xcap_P.kmc[0] & \ + S390X_CAPBIT(S390X_AES_192))) +# define S390X_aes_256_CAPABLE ((OPENSSL_s390xcap_P.km[0] & \ + S390X_CAPBIT(S390X_AES_256)) &&\ + (OPENSSL_s390xcap_P.kmc[0] & \ + S390X_CAPBIT(S390X_AES_256))) + +# define s390x_aes_init_key aes_init_key +static int s390x_aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); + +# define S390X_aes_128_cbc_CAPABLE 1 /* checked by callee */ +# define S390X_aes_192_cbc_CAPABLE 1 +# define S390X_aes_256_cbc_CAPABLE 1 + +# define s390x_aes_cbc_cipher aes_cbc_cipher +static int s390x_aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_ecb_CAPABLE 0 +# define S390X_aes_192_ecb_CAPABLE 0 +# define S390X_aes_256_ecb_CAPABLE 0 + +# define s390x_aes_ecb_cipher aes_ecb_cipher +static int s390x_aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_ofb_CAPABLE 0 +# define S390X_aes_192_ofb_CAPABLE 0 +# define S390X_aes_256_ofb_CAPABLE 0 + +# define s390x_aes_ofb_cipher aes_ofb_cipher +static int s390x_aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_cfb_CAPABLE 0 +# define S390X_aes_192_cfb_CAPABLE 0 +# define S390X_aes_256_cfb_CAPABLE 0 + +# define s390x_aes_cfb_cipher aes_cfb_cipher +static int s390x_aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_cfb8_CAPABLE 0 +# define S390X_aes_192_cfb8_CAPABLE 0 +# define S390X_aes_256_cfb8_CAPABLE 0 + +# define s390x_aes_cfb8_cipher aes_cfb8_cipher +static int s390x_aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_cfb1_CAPABLE 0 +# define S390X_aes_192_cfb1_CAPABLE 0 +# define S390X_aes_256_cfb1_CAPABLE 0 + +# define s390x_aes_cfb1_cipher aes_cfb1_cipher +static int s390x_aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_ctr_CAPABLE 1 /* checked by callee */ +# define S390X_aes_192_ctr_CAPABLE 1 +# define S390X_aes_256_ctr_CAPABLE 1 + +# define s390x_aes_ctr_cipher aes_ctr_cipher +static int s390x_aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +# define S390X_aes_128_gcm_CAPABLE (S390X_aes_128_CAPABLE && \ + (OPENSSL_s390xcap_P.kma[0] & \ + S390X_CAPBIT(S390X_AES_128))) +# define S390X_aes_192_gcm_CAPABLE (S390X_aes_192_CAPABLE && \ + (OPENSSL_s390xcap_P.kma[0] & \ + S390X_CAPBIT(S390X_AES_192))) +# define S390X_aes_256_gcm_CAPABLE (S390X_aes_256_CAPABLE && \ + (OPENSSL_s390xcap_P.kma[0] & \ + S390X_CAPBIT(S390X_AES_256))) + +/* iv + padding length for iv lenghts != 12 */ +# define S390X_gcm_ivpadlen(i) ((((i) + 15) >> 4 << 4) + 16) + +static int s390x_aes_gcm_aad(S390X_AES_GCM_CTX *ctx, const unsigned char *aad, + size_t len) +{ + unsigned long long alen; + int n, rem; + + if (ctx->kma.param.tpcl) + return -2; + + alen = ctx->kma.param.taadl + len; + if (alen > (U64(1) << 61) || (sizeof(len) == 8 && alen < len)) + return -1; + ctx->kma.param.taadl = alen; + + n = ctx->areslen; + if (n) { + while (n && len) { + ctx->ares[n] = *aad; + n = (n + 1) & 0xf; + ++aad; + --len; + } + /* ctx->ares contains a complete block if offset has wrapped around */ + if (!n) { + s390x_kma(ctx->ares, 16, NULL, 0, NULL, ctx->fc, &ctx->kma.param); + ctx->fc |= S390X_KMA_HS; + } + ctx->areslen = n; + } + + rem = len & 0xf; + + len &= ~0xf; + if (len) { + s390x_kma(aad, len, NULL, 0, NULL, ctx->fc, &ctx->kma.param); + aad += len; + ctx->fc |= S390X_KMA_HS; + } + + if (rem) { + ctx->areslen = rem; + + do { + --rem; + ctx->ares[rem] = aad[rem]; + } while (rem); + } + return 0; +} + +static int s390x_aes_gcm(S390X_AES_GCM_CTX *ctx, const unsigned char *in, + unsigned char *out, size_t len) +{ + const unsigned char *inptr; + unsigned long long mlen; + union { + unsigned int w[4]; + unsigned char b[16]; + } buf; + size_t inlen; + int n, rem, i; + + mlen = ctx->kma.param.tpcl + len; + if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len)) + return -1; + ctx->kma.param.tpcl = mlen; + + n = ctx->mreslen; + if (n) { + inptr = in; + inlen = len; + while (n && inlen) { + ctx->mres[n] = *inptr; + n = (n + 1) & 0xf; + ++inptr; + --inlen; + } + /* ctx->mres contains a complete block if offset has wrapped around */ + if (!n) { + s390x_kma(ctx->ares, ctx->areslen, ctx->mres, 16, buf.b, + ctx->fc | S390X_KMA_LAAD, &ctx->kma.param); + ctx->fc |= S390X_KMA_HS; + ctx->areslen = 0; + + /* previous call already encrypted/decrypted its remainder, + * see comment below */ + n = ctx->mreslen; + while (n) { + *out = buf.b[n]; + n = (n + 1) & 0xf; + ++out; + ++in; + --len; + } + ctx->mreslen = 0; + } + } + + rem = len & 0xf; + + len &= ~0xf; + if (len) { + s390x_kma(ctx->ares, ctx->areslen, in, len, out, + ctx->fc | S390X_KMA_LAAD, &ctx->kma.param); + in += len; + out += len; + ctx->fc |= S390X_KMA_HS; + ctx->areslen = 0; + } + + /*- + * If there is a remainder, it has to be saved such that it can be + * processed by kma later. However, we also have to do the for-now + * unauthenticated encryption/decryption part here and now... + */ + if (rem) { + if (!ctx->mreslen) { + buf.w[0] = ctx->kma.param.j0.w[0]; + buf.w[1] = ctx->kma.param.j0.w[1]; + buf.w[2] = ctx->kma.param.j0.w[2]; + buf.w[3] = ctx->kma.param.cv.w + 1; + s390x_km(buf.b, 16, ctx->kres, ctx->fc & 0x1f, &ctx->kma.param.k); + } + + n = ctx->mreslen; + for (i = 0; i < rem; i++) { + ctx->mres[n + i] = in[i]; + out[i] = in[i] ^ ctx->kres[n + i]; + } + + ctx->mreslen += rem; + } + return 0; +} + +static void s390x_aes_gcm_setiv(S390X_AES_GCM_CTX *ctx, + const unsigned char *iv) +{ + ctx->kma.param.t.g[0] = 0; + ctx->kma.param.t.g[1] = 0; + ctx->kma.param.tpcl = 0; + ctx->kma.param.taadl = 0; + ctx->mreslen = 0; + ctx->areslen = 0; + ctx->kreslen = 0; + + if (ctx->ivlen == 12) { + memcpy(&ctx->kma.param.j0, iv, ctx->ivlen); + ctx->kma.param.j0.w[3] = 1; + ctx->kma.param.cv.w = 1; + } else { + /* ctx->iv has the right size and is already padded. */ + memcpy(ctx->iv, iv, ctx->ivlen); + s390x_kma(ctx->iv, S390X_gcm_ivpadlen(ctx->ivlen), NULL, 0, NULL, + ctx->fc, &ctx->kma.param); + ctx->fc |= S390X_KMA_HS; + + ctx->kma.param.j0.g[0] = ctx->kma.param.t.g[0]; + ctx->kma.param.j0.g[1] = ctx->kma.param.t.g[1]; + ctx->kma.param.cv.w = ctx->kma.param.j0.w[3]; + ctx->kma.param.t.g[0] = 0; + ctx->kma.param.t.g[1] = 0; + } +} + +static int s390x_aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) +{ + S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, c); + S390X_AES_GCM_CTX *gctx_out; + EVP_CIPHER_CTX *out; + unsigned char *buf, *iv; + int ivlen, enc, len; + + switch (type) { + case EVP_CTRL_INIT: + ivlen = EVP_CIPHER_CTX_iv_length(c); + iv = EVP_CIPHER_CTX_iv_noconst(c); + gctx->key_set = 0; + gctx->iv_set = 0; + gctx->ivlen = ivlen; + gctx->iv = iv; + gctx->taglen = -1; + gctx->iv_gen = 0; + gctx->tls_aad_len = -1; + return 1; + + case EVP_CTRL_AEAD_SET_IVLEN: + if (arg <= 0) + return 0; + + if (arg != 12) { + iv = EVP_CIPHER_CTX_iv_noconst(c); + len = S390X_gcm_ivpadlen(arg); + + /* Allocate memory for iv if needed. */ + if (gctx->ivlen == 12 || len > S390X_gcm_ivpadlen(gctx->ivlen)) { + if (gctx->iv != iv) + OPENSSL_free(gctx->iv); + + gctx->iv = OPENSSL_malloc(len); + if (gctx->iv == NULL) + return 0; + } + /* Add padding. */ + memset(gctx->iv + arg, 0, len - arg - 8); + *((unsigned long long *)(gctx->iv + len - 8)) = arg << 3; + } + gctx->ivlen = arg; + return 1; + + case EVP_CTRL_AEAD_SET_TAG: + buf = EVP_CIPHER_CTX_buf_noconst(c); + enc = EVP_CIPHER_CTX_encrypting(c); + if (arg <= 0 || arg > 16 || enc) + return 0; + + memcpy(buf, ptr, arg); + gctx->taglen = arg; + return 1; + + case EVP_CTRL_AEAD_GET_TAG: + enc = EVP_CIPHER_CTX_encrypting(c); + if (arg <= 0 || arg > 16 || !enc || gctx->taglen < 0) + return 0; + + memcpy(ptr, gctx->kma.param.t.b, arg); + return 1; + + case EVP_CTRL_GCM_SET_IV_FIXED: + /* Special case: -1 length restores whole iv */ + if (arg == -1) { + memcpy(gctx->iv, ptr, gctx->ivlen); + gctx->iv_gen = 1; + return 1; + } + /* + * Fixed field must be at least 4 bytes and invocation field at least + * 8. + */ + if ((arg < 4) || (gctx->ivlen - arg) < 8) + return 0; + + if (arg) + memcpy(gctx->iv, ptr, arg); + + enc = EVP_CIPHER_CTX_encrypting(c); + if (enc && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0) + return 0; + + gctx->iv_gen = 1; + return 1; + + case EVP_CTRL_GCM_IV_GEN: + if (gctx->iv_gen == 0 || gctx->key_set == 0) + return 0; + + s390x_aes_gcm_setiv(gctx, gctx->iv); + + if (arg <= 0 || arg > gctx->ivlen) + arg = gctx->ivlen; + + memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg); + /* + * Invocation field will be at least 8 bytes in size and so no need + * to check wrap around or increment more than last 8 bytes. + */ + (*(unsigned long long *)(gctx->iv + gctx->ivlen - 8))++; + gctx->iv_set = 1; + return 1; + + case EVP_CTRL_GCM_SET_IV_INV: + enc = EVP_CIPHER_CTX_encrypting(c); + if (gctx->iv_gen == 0 || gctx->key_set == 0 || enc) + return 0; + + memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg); + s390x_aes_gcm_setiv(gctx, gctx->iv); + gctx->iv_set = 1; + return 1; + + case EVP_CTRL_AEAD_TLS1_AAD: + /* Save the aad for later use. */ + if (arg != EVP_AEAD_TLS1_AAD_LEN) + return 0; + + buf = EVP_CIPHER_CTX_buf_noconst(c); + memcpy(buf, ptr, arg); + gctx->tls_aad_len = arg; + + len = buf[arg - 2] << 8 | buf[arg - 1]; + /* Correct length for explicit iv. */ + if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN) + return 0; + len -= EVP_GCM_TLS_EXPLICIT_IV_LEN; + + /* If decrypting correct for tag too. */ + enc = EVP_CIPHER_CTX_encrypting(c); + if (!enc) { + if (len < EVP_GCM_TLS_TAG_LEN) + return 0; + len -= EVP_GCM_TLS_TAG_LEN; + } + buf[arg - 2] = len >> 8; + buf[arg - 1] = len & 0xff; + /* Extra padding: tag appended to record. */ + return EVP_GCM_TLS_TAG_LEN; + + case EVP_CTRL_COPY: + out = ptr; + gctx_out = EVP_C_DATA(S390X_AES_GCM_CTX, out); + iv = EVP_CIPHER_CTX_iv_noconst(c); + + if (gctx->iv == iv) { + gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out); + } else { + len = S390X_gcm_ivpadlen(gctx->ivlen); + + gctx_out->iv = OPENSSL_malloc(len); + if (gctx_out->iv == NULL) + return 0; + + memcpy(gctx_out->iv, gctx->iv, len); + } + return 1; + + default: + return -1; + } +} + +static int s390x_aes_gcm_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc) +{ + S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx); + int keylen; + + if (iv == NULL && key == NULL) + return 1; + + if (key != NULL) { + keylen = EVP_CIPHER_CTX_key_length(ctx); + memcpy(&gctx->kma.param.k, key, keylen); + + /* Convert key size to function code. */ + gctx->fc = S390X_AES_128 + (((keylen << 3) - 128) >> 6); + if (!enc) + gctx->fc |= S390X_DECRYPT; + + if (iv == NULL && gctx->iv_set) + iv = gctx->iv; + + if (iv != NULL) { + s390x_aes_gcm_setiv(gctx, iv); + gctx->iv_set = 1; + } + gctx->key_set = 1; + } else { + if (gctx->key_set) + s390x_aes_gcm_setiv(gctx, iv); + else + memcpy(gctx->iv, iv, gctx->ivlen); + + gctx->iv_set = 1; + gctx->iv_gen = 0; + } + return 1; +} + +static int s390x_aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len) +{ + S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx); + const unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx); + const int enc = EVP_CIPHER_CTX_encrypting(ctx); + int rv = -1; + + if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN)) + return -1; + + if (EVP_CIPHER_CTX_ctrl(ctx, enc ? EVP_CTRL_GCM_IV_GEN + : EVP_CTRL_GCM_SET_IV_INV, + EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0) + goto err; + + in += EVP_GCM_TLS_EXPLICIT_IV_LEN; + out += EVP_GCM_TLS_EXPLICIT_IV_LEN; + len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN; + + gctx->kma.param.taadl = gctx->tls_aad_len << 3; + gctx->kma.param.tpcl = len << 3; + s390x_kma(buf, gctx->tls_aad_len, in, len, out, + gctx->fc | S390X_KMA_LAAD | S390X_KMA_LPC, &gctx->kma.param); + + if (enc) { + memcpy(out + len, gctx->kma.param.t.b, EVP_GCM_TLS_TAG_LEN); + rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN; + } else { + if (CRYPTO_memcmp(gctx->kma.param.t.b, in + len, + EVP_GCM_TLS_TAG_LEN)) { + OPENSSL_cleanse(out, len); + goto err; + } + rv = len; + } +err: + gctx->iv_set = 0; + gctx->tls_aad_len = -1; + return rv; +} + +static int s390x_aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len) +{ + S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx); + unsigned char *buf, tmp[16]; + int enc; + + if (!gctx->key_set) + return -1; + + if (gctx->tls_aad_len >= 0) + return s390x_aes_gcm_tls_cipher(ctx, out, in, len); + + if (!gctx->iv_set) + return -1; + + if (in != NULL) { + if (out == NULL) { + if (s390x_aes_gcm_aad(gctx, in, len)) + return -1; + } else { + if (s390x_aes_gcm(gctx, in, out, len)) + return -1; + } + return len; + } else { + gctx->kma.param.taadl <<= 3; + gctx->kma.param.tpcl <<= 3; + s390x_kma(gctx->ares, gctx->areslen, gctx->mres, gctx->mreslen, tmp, + gctx->fc | S390X_KMA_LAAD | S390X_KMA_LPC, &gctx->kma.param); + /* recall that we already did en-/decrypt gctx->mres + * and returned it to caller... */ + OPENSSL_cleanse(tmp, gctx->mreslen); + gctx->iv_set = 0; + + enc = EVP_CIPHER_CTX_encrypting(ctx); + if (enc) { + gctx->taglen = 16; + } else { + if (gctx->taglen < 0) + return -1; + + buf = EVP_CIPHER_CTX_buf_noconst(ctx); + if (CRYPTO_memcmp(buf, gctx->kma.param.t.b, gctx->taglen)) + return -1; + } + return 0; + } +} + +static int s390x_aes_gcm_cleanup(EVP_CIPHER_CTX *c) +{ + S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, c); + const unsigned char *iv; + + if (gctx == NULL) + return 0; + + iv = EVP_CIPHER_CTX_iv(c); + if (iv != gctx->iv) + OPENSSL_free(gctx->iv); + + OPENSSL_cleanse(gctx, sizeof(*gctx)); + return 1; +} + +# define S390X_AES_XTS_CTX EVP_AES_XTS_CTX +# define S390X_aes_128_xts_CAPABLE 1 /* checked by callee */ +# define S390X_aes_256_xts_CAPABLE 1 + +# define s390x_aes_xts_init_key aes_xts_init_key +static int s390x_aes_xts_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc); +# define s390x_aes_xts_cipher aes_xts_cipher +static int s390x_aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); +# define s390x_aes_xts_ctrl aes_xts_ctrl +static int s390x_aes_xts_ctrl(EVP_CIPHER_CTX *, int type, int arg, void *ptr); +# define s390x_aes_xts_cleanup aes_xts_cleanup + +# define S390X_AES_CCM_CTX EVP_AES_CCM_CTX +# define S390X_aes_128_ccm_CAPABLE 0 +# define S390X_aes_192_ccm_CAPABLE 0 +# define S390X_aes_256_ccm_CAPABLE 0 + +# define s390x_aes_ccm_init_key aes_ccm_init_key +static int s390x_aes_ccm_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc); +# define s390x_aes_ccm_cipher aes_ccm_cipher +static int s390x_aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); +# define s390x_aes_ccm_ctrl aes_ccm_ctrl +static int s390x_aes_ccm_ctrl(EVP_CIPHER_CTX *, int type, int arg, void *ptr); +# define s390x_aes_ccm_cleanup aes_ccm_cleanup + +# ifndef OPENSSL_NO_OCB +# define S390X_AES_OCB_CTX EVP_AES_OCB_CTX +# define S390X_aes_128_ocb_CAPABLE 0 +# define S390X_aes_192_ocb_CAPABLE 0 +# define S390X_aes_256_ocb_CAPABLE 0 + +# define s390x_aes_ocb_init_key aes_ocb_init_key +static int s390x_aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); +# define s390x_aes_ocb_cipher aes_ocb_cipher +static int s390x_aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); +# define s390x_aes_ocb_cleanup aes_ocb_cleanup +static int s390x_aes_ocb_cleanup(EVP_CIPHER_CTX *); +# define s390x_aes_ocb_ctrl aes_ocb_ctrl +static int s390x_aes_ocb_ctrl(EVP_CIPHER_CTX *, int type, int arg, void *ptr); +# endif + +# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode, \ + MODE,flags) \ +static const EVP_CIPHER s390x_aes_##keylen##_##mode = { \ + nid##_##keylen##_##nmode,blocksize, \ + keylen / 8, \ + ivlen, \ + flags | EVP_CIPH_##MODE##_MODE, \ + s390x_aes_init_key, \ + s390x_aes_##mode##_cipher, \ + NULL, \ + sizeof(EVP_AES_KEY), \ + NULL, \ + NULL, \ + NULL, \ + NULL \ +}; \ +static const EVP_CIPHER aes_##keylen##_##mode = { \ + nid##_##keylen##_##nmode, \ + blocksize, \ + keylen / 8, \ + ivlen, \ + flags | EVP_CIPH_##MODE##_MODE, \ + aes_init_key, \ + aes_##mode##_cipher, \ + NULL, \ + sizeof(EVP_AES_KEY), \ + NULL,NULL,NULL,NULL \ +}; \ +const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ +{ \ + return S390X_aes_##keylen##_##mode##_CAPABLE ? \ + &s390x_aes_##keylen##_##mode : &aes_##keylen##_##mode; \ +} + +# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags)\ +static const EVP_CIPHER s390x_aes_##keylen##_##mode = { \ + nid##_##keylen##_##mode, \ + blocksize, \ + (EVP_CIPH_##MODE##_MODE == EVP_CIPH_XTS_MODE ? 2 : 1) * keylen / 8, \ + ivlen, \ + flags | EVP_CIPH_##MODE##_MODE, \ + s390x_aes_##mode##_init_key, \ + s390x_aes_##mode##_cipher, \ + s390x_aes_##mode##_cleanup, \ + sizeof(S390X_AES_##MODE##_CTX), \ + NULL, \ + NULL, \ + s390x_aes_##mode##_ctrl, \ + NULL \ +}; \ +static const EVP_CIPHER aes_##keylen##_##mode = { \ + nid##_##keylen##_##mode,blocksize, \ + (EVP_CIPH_##MODE##_MODE == EVP_CIPH_XTS_MODE ? 2 : 1) * keylen / 8, \ + ivlen, \ + flags | EVP_CIPH_##MODE##_MODE, \ + aes_##mode##_init_key, \ + aes_##mode##_cipher, \ + aes_##mode##_cleanup, \ + sizeof(EVP_AES_##MODE##_CTX), \ + NULL, \ + NULL, \ + aes_##mode##_ctrl, \ + NULL \ +}; \ +const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ +{ \ + return S390X_aes_##keylen##_##mode##_CAPABLE ? \ + &s390x_aes_##keylen##_##mode : &aes_##keylen##_##mode; \ +} + #else # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ diff --git a/crypto/s390x_arch.h b/crypto/s390x_arch.h index 25859851e5..d447d33011 100644 --- a/crypto/s390x_arch.h +++ b/crypto/s390x_arch.h @@ -12,6 +12,11 @@ # ifndef __ASSEMBLER__ +void s390x_km(const unsigned char *in, size_t len, unsigned char *out, + unsigned int fc, void *param); +void s390x_kma(const unsigned char *aad, size_t alen, const unsigned char *in, + size_t len, unsigned char *out, unsigned int fc, void *param); + /* * The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by * the STFLE instruction followed by the 64-bit word pairs returned by @@ -79,4 +84,10 @@ extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P; /* prno */ # define S390X_TRNG 114 +/* Register 0 Flags */ +# define S390X_DECRYPT 0x80 +# define S390X_KMA_LPC 0x100 +# define S390X_KMA_LAAD 0x200 +# define S390X_KMA_HS 0x400 + #endif diff --git a/crypto/s390xcpuid.S b/crypto/s390xcpuid.pl old mode 100644 new mode 100755 similarity index 66% rename from crypto/s390xcpuid.S rename to crypto/s390xcpuid.pl index 9aa23c3e46..03e89a4b67 --- a/crypto/s390xcpuid.S +++ b/crypto/s390xcpuid.pl @@ -1,15 +1,35 @@ -.text -// Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved. -// -// Licensed under the OpenSSL license (the "License"). You may not use -// this file except in compliance with the License. You can obtain a copy -// in the file LICENSE in the source distribution or at -// https://www.openssl.org/source/license.html +#! /usr/bin/env perl +# Copyright 2009-2017 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html + +$flavour = shift; + +if ($flavour =~ /3[12]/) { + $SIZE_T=4; + $g=""; +} else { + $SIZE_T=8; + $g="g"; +} +while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} +open STDOUT,">$output"; + +$ra="%r14"; +$sp="%r15"; +$stdframe=16*$SIZE_T+4*8; + +$code=<<___; #include "s390x_arch.h" +.text + .globl OPENSSL_s390x_facilities -.type OPENSSL_s390x_facilities,@function +.type OPENSSL_s390x_facilities,\@function .align 16 OPENSSL_s390x_facilities: lghi %r0,0 @@ -102,20 +122,20 @@ OPENSSL_s390x_facilities: .long 0xb9294022 # kma %r2,%r4,%r2 .Lret: - br %r14 + br $ra .size OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities .globl OPENSSL_rdtsc -.type OPENSSL_rdtsc,@function +.type OPENSSL_rdtsc,\@function .align 16 OPENSSL_rdtsc: - stck 16(%r15) - lg %r2,16(%r15) - br %r14 + stck 16($sp) + lg %r2,16($sp) + br $ra .size OPENSSL_rdtsc,.-OPENSSL_rdtsc .globl OPENSSL_atomic_add -.type OPENSSL_atomic_add,@function +.type OPENSSL_atomic_add,\@function .align 16 OPENSSL_atomic_add: l %r1,0(%r2) @@ -124,16 +144,16 @@ OPENSSL_atomic_add: cs %r1,%r0,0(%r2) brc 4,.Lspin lgfr %r2,%r0 # OpenSSL expects the new value - br %r14 + br $ra .size OPENSSL_atomic_add,.-OPENSSL_atomic_add .globl OPENSSL_wipe_cpu -.type OPENSSL_wipe_cpu,@function +.type OPENSSL_wipe_cpu,\@function .align 16 OPENSSL_wipe_cpu: xgr %r0,%r0 xgr %r1,%r1 - lgr %r2,%r15 + lgr %r2,$sp xgr %r3,%r3 xgr %r4,%r4 lzdr %f0 @@ -144,11 +164,11 @@ OPENSSL_wipe_cpu: lzdr %f5 lzdr %f6 lzdr %f7 - br %r14 + br $ra .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu .globl OPENSSL_cleanse -.type OPENSSL_cleanse,@function +.type OPENSSL_cleanse,\@function .align 16 OPENSSL_cleanse: #if !defined(__s390x__) && !defined(__s390x) @@ -179,11 +199,11 @@ OPENSSL_cleanse: lghi %r4,7 ngr %r3,%r4 jnz .Little - br %r14 + br $ra .size OPENSSL_cleanse,.-OPENSSL_cleanse .globl CRYPTO_memcmp -.type CRYPTO_memcmp,@function +.type CRYPTO_memcmp,\@function .align 16 CRYPTO_memcmp: #if !defined(__s390x__) && !defined(__s390x) @@ -206,11 +226,11 @@ CRYPTO_memcmp: srl %r5,31 .Lno_data: lgr %r2,%r5 - br %r14 + br $ra .size CRYPTO_memcmp,.-CRYPTO_memcmp .globl OPENSSL_instrument_bus -.type OPENSSL_instrument_bus,@function +.type OPENSSL_instrument_bus,\@function .align 16 OPENSSL_instrument_bus: lghi %r2,0 @@ -218,20 +238,71 @@ OPENSSL_instrument_bus: .size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus .globl OPENSSL_instrument_bus2 -.type OPENSSL_instrument_bus2,@function +.type OPENSSL_instrument_bus2,\@function .align 16 OPENSSL_instrument_bus2: lghi %r2,0 - br %r14 + br $ra .size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2 .globl OPENSSL_vx_probe -.type OPENSSL_vx_probe,@function +.type OPENSSL_vx_probe,\@function .align 16 OPENSSL_vx_probe: .word 0xe700,0x0000,0x0044 # vzero %v0 - br %r14 + br $ra .size OPENSSL_vx_probe,.-OPENSSL_vx_probe +___ + +################ +# void s390x_km(const unsigned char *in, size_t len, unsigned char *out, +# unsigned int fc, void *param) +{ +my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6)); +$code.=<<___; +.globl s390x_km +.type s390x_km,\@function +.align 16 +s390x_km: + lr %r0,$fc + l${g}r %r1,$param + + .long 0xb92e0042 # km $out,$in + brc 1,.-4 # pay attention to "partial completion" + br $ra +.size s390x_km,.-s390x_km +___ +} + +################ +# void s390x_kma(const unsigned char *aad, size_t alen, +# const unsigned char *in, size_t len, +# unsigned char *out, unsigned int fc, void *param) +{ +my ($aad,$alen,$in,$len,$out) = map("%r$_",(2..6)); +$code.=<<___; +.globl s390x_kma +.type s390x_kma,\@function +.align 16 +s390x_kma: + st${g} $out,6*$SIZE_T($sp) + lm${g} %r0,%r1,$stdframe($sp) + + .long 0xb9292064 # kma $out,$aad,$in + brc 1,.-4 # pay attention to "partial completion" + + l${g} $out,6*$SIZE_T($sp) + br $ra +.size s390x_kma,.-s390x_kma +___ +} + +$code.=<<___; .section .init - brasl %r14,OPENSSL_cpuid_setup + brasl $ra,OPENSSL_cpuid_setup +___ + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +print $code; +close STDOUT; # force flush -- 2.20.1
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