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191 lines
3.8 KiB
191 lines
3.8 KiB
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "inc_types.h"
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#include "inc_vendor.h"
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#include "inc_pem_common.h"
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#ifdef KERNEL_STATIC
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#include "inc_hash_md5.cl"
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#endif
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DECLSPEC void generate_key (u32 *salt_buf, u32 *pw, size_t pw_len, u32 *key)
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{
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#ifdef DEBUG
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printf("salt_buf:");
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for (u32 i = 0; i < 16; i++) printf(" 0x%08x", salt_buf[i]);
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printf("\n");
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printf("pw:");
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for (u32 i = 0; i < 16; i++) printf(" 0x%08x", pw[i]);
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printf("\n");
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printf("pw_len: %lu\n", pw_len);
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#endif
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u32 md_buf[16] = { 0 };
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md5_ctx_t md_ctx;
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md5_init (&md_ctx);
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md5_update (&md_ctx, pw, pw_len);
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md5_update (&md_ctx, salt_buf, HC_PEM_SALT_LENGTH);
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md5_final (&md_ctx);
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key[0] = md_ctx.h[0];
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#if KEY_LENGTH > 4
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key[1] = md_ctx.h[1];
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#endif
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#if KEY_LENGTH > 8
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key[2] = md_ctx.h[2];
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#endif
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#if KEY_LENGTH > 12
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key[3] = md_ctx.h[3];
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#endif
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#if KEY_LENGTH > 16
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < HC_PEM_MD_LENGTH / 4; i++)
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{
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md_buf[i] = md_ctx.h[i];
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}
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md5_init (&md_ctx);
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md5_update (&md_ctx, md_buf, HC_PEM_MD_LENGTH);
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md5_update (&md_ctx, pw, pw_len);
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md5_update (&md_ctx, salt_buf, HC_PEM_SALT_LENGTH);
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md5_final (&md_ctx);
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key[4] = md_ctx.h[0];
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#endif // KEY_LENGTH > 16
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#if KEY_LENGTH > 20
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key[5] = md_ctx.h[1];
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#endif
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#if KEY_LENGTH > 24
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key[6] = md_ctx.h[2];
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#endif
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#if KEY_LENGTH > 28
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key[7] = md_ctx.h[3];
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#endif
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#if KEY_LENGTH > 32
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#error Only supports up to KEY_LENGTH == 32 at present. Extend generate_key!
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#endif
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#ifdef DEBUG
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printf("key:");
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for (u32 i = 0; i < KEY_LENGTH / 4; i++) printf(" 0x%08x", key[i]);
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printf("\n");
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#endif // DEBUG
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}
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DECLSPEC void generate_key_vector (u32 *salt_buf, u32x *pw, size_t pw_len, u32x *key)
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{
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#ifdef DEBUG
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printf("salt_buf:");
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for (u32 i = 0; i < 16; i++) printf(" 0x%08x", salt_buf[i]);
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printf("\n");
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for (u32 v = 0; v < VECT_SIZE; v++)
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{
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printf("pw[%u]:", v);
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for (u32 i = 0; i < 16; i++) printf(" 0x%08x", VECTOR_ELEMENT(pw[i], v));
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printf("\n");
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}
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printf("pw_len: %lu\n", pw_len);
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#endif
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u32x md_buf[16] = { 0 };
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md5_ctx_vector_t md_ctx;
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md5_init_vector (&md_ctx);
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md5_update_vector (&md_ctx, pw, pw_len);
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md5_update_vector_from_scalar (&md_ctx, salt_buf, HC_PEM_SALT_LENGTH);
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md5_final_vector (&md_ctx);
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key[0] = md_ctx.h[0];
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#if KEY_LENGTH > 4
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key[1] = md_ctx.h[1];
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#endif
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#if KEY_LENGTH > 8
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key[2] = md_ctx.h[2];
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#endif
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#if KEY_LENGTH > 12
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key[3] = md_ctx.h[3];
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#endif
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#if KEY_LENGTH > 16
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < HC_PEM_MD_LENGTH / 4; i++)
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{
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md_buf[i] = md_ctx.h[i];
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}
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md5_init_vector (&md_ctx);
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md5_update_vector (&md_ctx, md_buf, HC_PEM_MD_LENGTH);
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md5_update_vector (&md_ctx, pw, pw_len);
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md5_update_vector_from_scalar (&md_ctx, salt_buf, HC_PEM_SALT_LENGTH);
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md5_final_vector (&md_ctx);
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key[4] = md_ctx.h[0];
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#endif // KEY_LENGTH > 16
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#if KEY_LENGTH > 20
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key[5] = md_ctx.h[1];
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#endif
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#if KEY_LENGTH > 24
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key[6] = md_ctx.h[2];
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#endif
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#if KEY_LENGTH > 28
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key[7] = md_ctx.h[3];
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#endif
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#if KEY_LENGTH > 32
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#error Only supports up to KEY_LENGTH == 32 at present. Extend generate_key!
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#endif
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#ifdef DEBUG
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for (u32 v = 0; v < VECT_SIZE; v++)
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{
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printf("key[%u]:", v);
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for (u32 i = 0; i < KEY_LENGTH / 4; i++) printf(" 0x%08x", VECTOR_ELEMENT(key[i], v));
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printf("\n");
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}
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#endif // DEBUG
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}
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DECLSPEC void prep_buffers(u32 *salt_buf, u32 *salt_iv, u32 *first_block, PSEUDO_SHM_TYPE u32 *data, GLOBAL_AS const pem_t *esalt)
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{
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < HC_PEM_SALT_LENGTH / 4; i++)
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{
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salt_buf[i] = esalt->salt_iv[i];
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}
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < BLOCK_SIZE / 4; i++)
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{
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salt_iv[i] = esalt->salt_iv[i];
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first_block[i] = data[i];
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}
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}
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