sha1_block_generic
sha1_block_generic(ctx, _in, num);
void sha1_block_generic(SHA_CTX *ctx, const void *p, size_t num);
void sha1_block_generic(SHA256_CTX *ctx, const void *in, size_t num);
sha1_block_generic(ctx, in, num);
void sha1_block_generic(SHA_CTX *ctx, const void *in, size_t num);
sha1_block_generic(ctx, in, num);