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https://github.com/freebsd/freebsd-src
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152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/* This file is in the public domain. */
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#include <sys/cdefs.h>
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#include <contrib/libb2/blake2.h>
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#include <opencrypto/xform_auth.h>
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extern int blake2b_init_ref(blake2b_state *S, size_t outlen);
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extern int blake2b_init_param_ref(blake2b_state *S, const blake2b_param *P);
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extern int blake2b_init_key_ref(blake2b_state *S, size_t outlen,
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const void *key, size_t keylen);
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extern int blake2b_update_ref(blake2b_state *S, const uint8_t *in,
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size_t inlen);
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extern int blake2b_final_ref(blake2b_state *S, uint8_t *out, size_t outlen);
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extern int blake2b_ref(uint8_t *out, const void *in, const void *key,
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size_t outlen, size_t inlen, size_t keylen);
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extern int blake2s_init_ref(blake2s_state *S, size_t outlen);
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extern int blake2s_init_param_ref(blake2s_state *S, const blake2s_param *P);
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extern int blake2s_init_key_ref(blake2s_state *S, size_t outlen,
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const void *key, size_t keylen);
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extern int blake2s_update_ref(blake2s_state *S, const uint8_t *in,
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size_t inlen);
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extern int blake2s_final_ref(blake2s_state *S, uint8_t *out, size_t outlen);
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extern int blake2s_ref(uint8_t *out, const void *in, const void *key,
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size_t outlen, size_t inlen, size_t keylen);
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struct blake2b_xform_ctx {
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blake2b_state state;
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};
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CTASSERT(sizeof(union authctx) >= sizeof(struct blake2b_xform_ctx));
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static void
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blake2b_xform_init(void *vctx)
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{
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struct blake2b_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2b_init_ref(&ctx->state, BLAKE2B_OUTBYTES);
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if (rc != 0)
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panic("blake2b_init: invalid arguments");
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}
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static void
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blake2b_xform_setkey(void *vctx, const uint8_t *key, u_int klen)
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{
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struct blake2b_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2b_init_key_ref(&ctx->state, BLAKE2B_OUTBYTES, key,
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klen);
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if (rc != 0)
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panic("blake2b_init_key: invalid arguments");
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}
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static int
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blake2b_xform_update(void *vctx, const void *data, u_int len)
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{
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struct blake2b_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2b_update_ref(&ctx->state, data, len);
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if (rc != 0)
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return (EINVAL);
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return (0);
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}
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static void
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blake2b_xform_final(uint8_t *out, void *vctx)
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{
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struct blake2b_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2b_final_ref(&ctx->state, out, BLAKE2B_OUTBYTES);
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if (rc != 0)
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panic("blake2b_final: invalid");
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}
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const struct auth_hash auth_hash_blake2b = {
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.type = CRYPTO_BLAKE2B,
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.name = "Blake2b",
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.keysize = BLAKE2B_KEYBYTES,
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.hashsize = BLAKE2B_OUTBYTES,
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.ctxsize = sizeof(struct blake2b_xform_ctx),
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.Setkey = blake2b_xform_setkey,
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.Init = blake2b_xform_init,
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.Update = blake2b_xform_update,
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.Final = blake2b_xform_final,
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};
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struct blake2s_xform_ctx {
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blake2s_state state;
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};
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CTASSERT(sizeof(union authctx) >= sizeof(struct blake2s_xform_ctx));
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static void
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blake2s_xform_init(void *vctx)
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{
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struct blake2s_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2s_init_ref(&ctx->state, BLAKE2S_OUTBYTES);
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if (rc != 0)
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panic("blake2s_init: invalid arguments");
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}
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static void
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blake2s_xform_setkey(void *vctx, const uint8_t *key, u_int klen)
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{
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struct blake2s_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2s_init_key_ref(&ctx->state, BLAKE2S_OUTBYTES, key,
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klen);
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if (rc != 0)
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panic("blake2s_init_key: invalid arguments");
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}
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static int
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blake2s_xform_update(void *vctx, const void *data, u_int len)
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{
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struct blake2s_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2s_update_ref(&ctx->state, data, len);
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if (rc != 0)
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return (EINVAL);
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return (0);
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}
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static void
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blake2s_xform_final(uint8_t *out, void *vctx)
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{
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struct blake2s_xform_ctx *ctx = vctx;
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int rc;
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rc = blake2s_final_ref(&ctx->state, out, BLAKE2S_OUTBYTES);
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if (rc != 0)
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panic("blake2s_final: invalid");
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}
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const struct auth_hash auth_hash_blake2s = {
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.type = CRYPTO_BLAKE2S,
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.name = "Blake2s",
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.keysize = BLAKE2S_KEYBYTES,
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.hashsize = BLAKE2S_OUTBYTES,
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.ctxsize = sizeof(struct blake2s_xform_ctx),
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.Setkey = blake2s_xform_setkey,
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.Init = blake2s_xform_init,
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.Update = blake2s_xform_update,
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.Final = blake2s_xform_final,
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};
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